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B&V WASTE SCIENCE AND TECHNOLOGY CORP.The Curtis Center, Suite 705, 601 Walnut Street, Philadelphia, Pennsylvania 19106-3307, (215) 928-0700, Fax (215) 928-1780
USEPA ARCS Region III BVWST Project 21910North Perm Area 6 RI/FS BVWST File C.3
August 6, 1993
U.S. Environmental Protection Agency841 Chestnut BuildingPhiladelphia, PA 19107
Subject: Submittal of Final Work PlanAddendum, Field Sampling Plan,Quality Assurance Project Plan,and Health & Safety Plan
Attention: Mr. Gregory Ham, Remedial Project Manager
Dear Mr Ham:
B&V Waste Science and Technology Corp. (BVWST) is enclosing eight copies ofthe above referenced documents for the North Perm Area 6 Site Source ControlOperable Unit Remedial Investigation and Feasibility Study. In generating thesefinalized planning documents, BVWST reviewed all comments received on thedraft version submitted to EPA on July 2, 1993. Most of the comments wereaddressed. The only exceptions and the reasons why are as follows:
1. R. Smith's only comment on the Field Sampling Plan (FSP).
The facilities indicated by the reviewer are not part of the scope of thework.
2. PADER's comment No. 6.3.
BVWST believes it will be able to provide a complete fracture trace analysisbut only when additional areal photos become available from the EPIC.
3. PADER comments 8 and 9 do not require any revision.
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U.S. Environmental Protection Agency BVWST Project 21910Mr. Gregory Ham, Remedial Project Manager August 6, 1993
4. PADER comments 13
Although a time table for field sampling has, been developed, BVWST is notincluding it in the FSP because it will change almost daily, based on fieldinformation.
The following comments have been addressed, but in sections other than thosewhere the comments are made:
1. K. Davies' comment on the FSP. .
The operating procedures for sample collection are included in the QAPjPsection 6.2.
2. M. Jones' comment on the QAPjP.
Sampling will take place at ten locations. Samples from all locations will besent to a CLP laboratory for TAL metals analysis. This information isprovided in the FSP.
If you have any questions, please call me at 928-2241.
Very truly yours,
B&V WASTE SCIENCE AND TECHNOLOGY CORP.
Raul E. Filardi, Sr.Project Manager, Ph.D, P.E.
llm .
Enclosures
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WORK PLAN ADDENDUMFOR
NORTH PENN AREA 6 SITESOURCE CONTROL OPERABLE UNIT RI/FS
LANSDALE, MONTGOMERY COUNTY, PENNSYLVANIA
WORK ASSIGNMENT NO. 91-19-3LW9
AUGUSTS, 1993
Prepared by
B&V WASTE SCIENCE AND TECHNOLOGY CORP.
Prepared for
U.S. ENVIRONMENTAL PROTECTION AGENCY - REGION IIIPHILADELPHIA, PENNSYLVANIA
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NORTH PENN AREA 6 SITE
TABLE OF CONTENTSj f
TABLE OF CONTENTS (Cont'd)
PAGE
3.2.5 Lansdale Realty .................................... 3-33.2.6 Tate Andale Company ............................... 3-33.2.7 Philadelphia Toboggan ............................... 3-33.2.8 Lehigh Valley Dairies ................................ 3-33.2.9 Crystal Soap ....................................... 3-43.2.10 Decision Data ..................................... 3-43.2.11 Tri-Kris .......................................... 3-43.2.12 Dip 'N Strip ...................................... 3-43.2.13 REP Industries .................................... 3-43.2.14 Rybond .......................................... 3-43.2.15 United Knitting Mills ................................ 3-43.2.16 Westside Industries ................................. 3-43.2.17 Electra Products Corp. ............................... 3-53.2,18 Landacq Management Co ............................ 3-53.2.19 Matterd Brothers ................................... 3-5
3.3 Migration Pathways ...................................... 3-53.4 Receptors ............................................. 3-6
3.4.1 Potential Human Health Impact ........................ 3-63.4.2 Toxicity Assessment ................................. 3-63.4.3 Exposure Assessment and Land Use ..................... 3-73.4.4 Preliminary Risk Assessment and Remediation Goals ........ 3-7
3.4.4.1 Risk Based Preliminary Remediation Goals ......... 3-73.4.4.2 Preliminary Soil Cleanup Levels Based on
Protection of Groundwater ...................... 3-8
4.0 APPLICABLE OR RELEVANT AND APPROPRIATE REQUIREMENTS 4-1
4.1 Chemical-Specific Requirements ............................ 4-24.2 Location-Specific Requirements ............................. 4-34.3 Action-Specific Requirements .............................. 4-5
5.0 REMEDIAL INVESTIGATION OBJECTIVES ANDPOTENTIAL REMEDIAL ALTERNATIVES ....................... 5-1
5.1 Remedial Investigation Objectives ........................... 5-15.2 Potential Remedial Alternatives............................. 5-1
5.2.1 Preliminary Interim Actions ........................... 5-15.2.2 Preliminary Remedial Actions ......................... 5-2
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TABLE OF CONTENTS (Cont'd)
1 . - . ' ; • ' - PAGE
6.0 DATA QUALITY OBJECTIVES ......... %. ..................... 6-1ii
6.1 DQO Stage 1 - Identification of Decision Types ................. 6-26.1.1 Identification and Involvement of Data Users .............. 6-26.1.2 Evaluation of Existing Data ........................... 6-26.1.3 Conceptual Site Model ............................... 6-2
6.2 DQO Stage 2 - Identification of Data Uses and Needs ........ '. .... 6-36.2.1 Data Uses ........... . . .... .;. . .................... 6-36.2.2 Data Types ....................................... 6-46.2.3 Data Quality Needs ................................. 6-5
6.2.3.1 Appropriate Analytical Levels .................... 6-56.2.3.2 Levels of Concern ............................ 6-66.2.3.3 Detection Limit Requirements ................... 6-66.2.3.4 Critical Samples .............................. 6-6
6.2.4 Data Quantity Needs ................................ 6-76.2.5 Sampling Analysis Options ............................ 6-76.2.6 Review of Precision, Accuracy, Representativeness,
Completeness, and Comparability ....................... 6-76.3 DQO Stage 3 - Design of Data Collection Program .............. 6-8
j ' • ' . ' , ' .
7.0 PROJECT MANAGEMENT STRUCTURE ........................ 7-1
7.1 Project Manager ........./.............................. 7-17.2 Field Team Leader ...................................... 7-17.3 Project Engineer ........................................ 7-27.4 Review Team Leader .................................... 7-27.5 Data/Sample Coordinator ................................. 7-27.6 Health and Safety Manager ......... J................ 1 ..... 7-3
8.0 REFERENCES 8-1
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TABLES
AFTER PAGE
Table 2-1 Chronological Investigation at the Site 2-1Table 2-2 Previous Investigation Results 2-6Table 2-3 Groundwater Sampling Results 2-7Table 2-4 Residential Well Results 2-8Table 2-5 Geological Section • 2-11Table 2-6 Soil Series 2-13
Table 3-1 Organics and Properties 3-1Table 3-2 Inorganics and Properties 3-1Table 3-3 List of PRP's and Former Occupants 3-2Table 3-4 Toxicity Profile of Contaminants 3-6Table 3-5 Risk Based Soil Cleanup Levels 3-7Table 3-6 Soil Cleanup Levels Based on Protection of Groundwater 3-9
Table 4-1 Chemical Specific ARARs 4-4Table 4-2 Location Specific ARARs 4-6Table 4-3 Action Specific ARARs 4-9
FIGURES
Figure 1-1 Location Maps 1-1Figure 1-2 Location Maps 1-1
Figure 2-1 Keystone Hydraulics Sampling Location Map 2-6Figure 2-2 Topographic Map of Site 2-10Figure 2-3 Geological Map of Site 2-10Figure 2-4 Well Locations 2-12Figure 2-5 Regional Groundwater Levels 2-15
Figure 3-1 Conceptual Site Model 3-5
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1.0 INTRODUCTION
This work plan defines the scope of work for the Remedial Investigation/Feasibility Study(RI/FS) for the North Perm Area 6 Site, Source Control Operable Unit, in the Borough ofLansdale, Montgomery County, Pennsylvania. A brief description of the site, a discussionof the authority for the work, and explanations of the purpose and scope of the work planand RI/FS are provided in this section.
This work plan is a continuation of an effort started by CH2M HILL and makes usethroughout of tables, figures, and results of their work.
1.1 Summary of Site DescriptionThe North Perm Area 6 site is located within the North Perm Water Authority (NPWA)service district in Montgomery County, Pennsylvania (Figure 1-1). Five other sites alsolisted in the area are Area 1, Area 2, Area 5, Area 7, and Area 12. Primary contaminantsidentified from previous investigations include trichloroethene (TCE) and tetrachloroethene.
The Area 6 site is in the Borough of Lansdale. NUS Corporation (1986) identified thepreliminary boundary based on groundwater quality (Figure 1-2). This RI/FS covers 19 ofthe properties identified as potentially responsible parties (PRPs). These 19 PRPs are:
Eaton LabsKeystone Hydraulics :Lehigh Valley Dairies ,. "Tate Andale Company , ,Decision DataDip-n-Strip :Electra ProductsLandacq Management Co. (Gulf Adhesives)REPTri-Kris Co., Inc.Mattero Bros.Westside IndustriesJohn Evans and SonsPhiladelphia Toboggan
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'£• N -<4, SCALE W MILES^ V^
North Penn Area 6 Site _. 1_1Source Control OU RI/FS I9UI"€
UJ Ot,NCE AND TECHNOLOGY CORP.3 "c " r_ ___r^. Location of NPL SitesUl ^ T »- PHILADELPHIA. PAI— " t.< 4n
• NP Industrial (United Knitting Mills)Rybond, Inc.Lansdale RealtyCrystal SoapRoyal Cleaners
The following properties are also being evaluated as potentially responsible parties, and theowners are conducting remedial investigations on their own under EPA oversight.
American Olean Tile Parker HannifinBorough of Lansdale The Simco CompanyCentral Sprinkler William M. Wilson SonsJ.W. Rex
1.2 Authority for the Work
The work plan for the North Perm Area 6 Site, Source Control Operable Unit RI/FS, hasbeen prepared for the U.S. Environmental Protection Agency (EPA) Region III, AlternativeRemedial Contracts Strategy (ARCS) program. The Work Assignment Number for thiseffort is 91-19-3LW9 under the Contract Number 68-W8-0091.
1.3 Objective and Scope of the Work PlanThe objective of this work plan is to identify and document the tasks to be conducted duringthis source control • RI/FS. The work plan presents the initial evaluation of existinginformation and defines the scope and objectives of the RI/FS activities.
1.4 Objectives of the RI/FSit . !
The objectives of this RI/FS are to characterize the nature and extent of soil contaminationin 19 properties, identify the risks posed by soil contaminants to public health, and defineand evaluate remedial alternatives to reduce or mitigate those risks. These objectives willbe achieved by performing the following activities:
• Collection of data to characterize soil conditions.• ' Definition of the nature and extent of the contamination.• Definition of the effects of soil contamination on groundwater.• Development of an assessment of the risk to human health.
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• Development of remedial alternatives.• Evaluation of remedial alternatives.
The work plan has been prepared to address the requirements of the current NationalContingency Plan (NCP) and CERCLA as amended by the Superfund Amendment andReauthorization Act (SARA). In addition, the following documents were reviewed and usedin developing the work plan as appropriate:
• Guidance for Conducting Remedial Investigations and Feasibility Studies underCERCLA. U.S. EPA, October 1988.
• Risk Assessment Guidance for Superfund - Volume I • Human Health EvaluationManual (Part A). U.S. EPA, December 1989.
• Risk Assessment Guidance for Superfund - Volume II - Environmental EvaluationManual. U.S. EPA, March 1989.
• Draft Data Quality Objectives Development Guidance for Uncontrolled HazardousWaste Site Remedial Response Activities. Volumes I and II. U.S. EPA, March1987.
The main thrust of the RI/FS process is to gather information sufficient to support aninformed risk management decision regarding the need for a response action and theselection of the most appropriate remedy.
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2.0 SITE BACKGROUND AND SETTING
This section presents a summary of the information available on the Area 6 site. Thefollowing information is presented:
Site historyPrevious investigationsClimatologyDemographicsTopography and surface drainage 'GeologyHydrogeology
2.1 Site History
This section presents site history by discussing the past and current activities in the PRPproperties. Most of the information covered in this section is obtained from a summaryprepared by CH2M Hill (1991). Table 2-1 shows chronological activities for the Area 6 site.The" North Perm Water Authority (NPWA) began groundwater sampling in 1979. In July1986, NUS Corporation completed a site discovery for U.S. Environmental ProtectionAgency (EPA). The site was scored using the Hazard Ranking System in October 1986, andproposed for the NPL in January 1987. In 1989, CH2M HILL collected residential wellsamples under a Phase I investigation and the NPL listing became final in March 1989.
Most of the information on hazardous-material handling was obtained from Techlaw (1987),and the most recent information is from 1986. Updated information for some PRPs wasprovided by EPA (1990). The location of each facility is shown in Figure 2-1.
Brief descriptions are provided below for each of the 19 properties. Additional informationmay' be found in the CH2M HILL 199.1 report.
KEYSTONE HYDRAULICS
The current Keystone Hydraulics plant was built in the 1940s and was operated by J.W. RexCompany until 1959, when it was sold to Allied Paint Company. Allied Paint operated theplant between 1959 and 1979. Keystone Hydraulics has owned and operated the facilitysince 1979 (Techlaw, 1987). The currently inactive facility occupies 1 acre (Versar, 1988)and is located at 834 West Third Street. At various times the following chemicals have beenused on site: trichloroethene (TCE), alkyd resins, linseed oils, toluene, xylene, variousalcohols, mineral spirits, napthas, and machine cleaners of unknown composition.
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Table 2-1* 1SITE CHRONOLOGY |
1979
June 1986
July 1986
•i
August 1986
September 1986
October 1986
January 1987
July 1987
October 1987
May 1988
October 1988
February 1989
March 1989
March throughDecember 1990
May 1990
June 1990
July 1990
September 1990
October 1990
November 1990
May 1991
The NPWA discovers TCE contamination (concentrations greater than 4.5//g/1) in eight water-supply wells in the Lansdale, Pennsylvania, area. Thewells were subsequently shut down.
EPA Region III requests information from Rex, John Evans', Allied Paint,Eaton, Royal Cleaners, Lansdale Realty, Andale, Philadelphia Toboggan,Precision Rebuilding, William M. Wilson's, LeHigh Valley Dairies, CrystalSoap, American Olean, Decision Data, HGH, Skee Ball, and KeystoneHydraulics
104(e) information is provided by Skee Ball ||
NUS Corporation completes the Site Discovery.
104(e) information is provided by Rex, Andale, Precision Rebuilding, WilliamM. Wilson's, LeHigh Valley Dairies, Crystal Soap, HGH, and John Evans' ||
104(e) information is provided by American Olean and Decision Data ||
104(e) information is provided by Keystone Hydraulics. ||
The site is scored using the Hazard Ranking System. . |
The site is proposed for the NPL.
CDM samples residential wells in Area 6.
Techlaw completes the final facility report.
ATSDR completes a preliminary health assessment.
The Versar technical evaluation report is completed.
CH2M HILL samples residential wells in Area 6.
The North Perm Area 6 NPL listing becomes final.
EPA Region III requests information from PRPs under CERCLASection 104(e)
104(e) information is provided by Ametek
NUS completes preliminary site assessment at Gulf Oil Corporation.
104(e) information is provided by Lauchmen Printing, Rybond, and WestPoint
104(e) information is provided by Precision Rebuilding
104(e) information is provided by Turbo Machine
104(e) information is provided by Brian McNeil Photography, North PermFeed, Building and Home Protection, Craftweld Fabricators, Hi-Boy, RobertBoone, and Ultracom
104(e) information is provided by Bee- Jay Carpets
BCM conducts soil sampling at Acoustical Associates finding 18,700 ug 1,1,1 -trichloroethane, 2,750 ug/kg xylenes, and 297 ug/kg trichloroethene.
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August 1991
October 1991
March 1992
January 1993
February 1993
March 1993
PRPs are informed potential liability.
EPA holds PRP meeting
EPA requests information under CERCLA section 104(e) from MatteroBrothers
Dames & Moore completes UST closure and groundwater investigation atAmerican Olean Tile.
EPA requests information under CERCLA Section 104(e) from Crystal SoapCo.,. United Knitting" Mills.
J.W. Rex submits reports of environmental evaluation at the property duringthe past 12 months.
104(e) Information is provided by Crystal Soap Co., United Knitting Mills.
EPA receives reports of environmental evaluation from American Olean Tilefor the past 12 months.
EPA receives closure report of USTs from Lehigh Valley Dairies, Inc.
Note: 104(e) information was obtained from Royal Cleaners, but the letter was undated* Revised from CH2M Hill (1991) " - ' . " '
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JOHN EVANS' SONS. INC.
John Evans', a spring manufacturer, purchased its facility at Maple and Spring Avenues,from Ametek (a PRP at the North Perm Area 2 site) on an unreported date and beganoperations in 1973. John Evans' uses TCE and PCE for degreasing and annually disposesof approximately 2,700 gallons of spent TCE and 1,000 gallons of spent PCE to a wasterecycler. Unused PCE is stored in a tank inside the plant adjacent to the degreaser(Techlaw, 1987). Ametek also used TCE for degreasing. There is a water well on theproperty that has contained both contaminants in the past (Techalaw, 1987).
EATON LABORATORIES
Eaton occupied one part of a building at Fifth Street and Mitchell Avenue. Eaton movedits operations and the former Eaton facility is unoccupied (CH2M HILL, 1989b). Thecompany used Aromatic 150, kerosene, PCE, and 1,1,1-trichloroethane (TCEA) (Techlaw,1987) and possibly TCE (Versar, 1988). PCE was delivered in bulk and was pumped into55-gallon drums. Spent PCE was reclaimed by Rollins Environmental Services (Techlaw,1987). The former storage areas of drums and spent solvents at this location are unknown.
ROYAL CLEANERS OF LANSDALE
Royal Cleaners uses approximately 50 gallons of PCE per month (Techlaw, 1987). Dry-cleaning facilities have been located at this property (1315 North Broad Street) forapproximately 20 years (Versar, 1988). A well is located on the property. Buried steeldrums discovered at the facility in 1989 led to an EPA removal action. Royal Cleaners iscurrently under a consent order to perform remediation. Drums were excavated by thePRP. Currently, spent PCE and filters are stored in 10-gallon drums near the back door ofthe building.
LANSDALE REALTY
The former Lansdale Realty facility on North Walnut Street used to be owned by LansdaleTransportation, which operated an automobile-repair facility on the grounds (Versar, 1988).Solvents were reportedly used at the facility and an underground storage tank was used tostore waste solvents.
Lansdale Auto Body rents the former Lansdale Transportation building and operates anautomobile-repair facility on the property. Solvent use is limited to paint thinners.
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TATE ANDALE COMPANY
The former Andale facility (135 East Hancock Street) consists of approximately 10 buildingson 10 acres purchased by Rogers Mechanical in 1985 (CH2M HILL, 1989b).
Andale used bulk 1,1,1-TCEA for degreasing. The solvent was pumped into a 200-gallonstorage tank located inside a building and then pumped to the 500-gallon vapor degreaser.Andale switched from TCE to 1,1,1-TCEA in 1972. Before 1972, spent solvents weredisposed of by being poured on an ash pile at the rear of the facility (Techlaw, 1987). Theash pile has subsequently been leveled. Andale removed the tank before the facility wassold (Techlaw, 1987; CH2M HILL, 1989b).
Hazardous wastes generated by Andale included unreported quantities of the followingmaterials (Versar, 1988): »
3 /
• Waste-solvent still bottoms (hazardous waste number D001)• Waste corrosive liquids and solids (D002)• Waste 1,1,1-TCEA and TCE (F002) ;• Waste liquid containing chromium at levels exceeding its extraction- pro-
cedure (EP) toxicity criteria (D007)
PHILADELPHIA TOBOGGAN COMPANY
Philadelphia Toboggan began operations at the facility at Eighth Street and Maple Avenue,in 1973 (EPA, 1990) and manufactures rolling stock for roller coasters.
In 1979, Philadelphia Toboggan reportedly used Metal-Prep 10, composed of butyl cellosolveand phosphoric acid. For present operations, Philadelphia Toboggan also uses 10 gallonsper year of lacquer thinners composed of toluol and acetone; wastes are removed by alicensed hauler. Also in 1979, the NPWA discovered the presence of two concrete pits thatare connected to the sewer system. One pit, near the rear of the plant, is accessible, but theother has been covered with concrete (Techlaw, 1987).
LEHIGH VALLEY DAIRIES. INC.__ •' i[ —"The Lehigh Valley Darries, Inc. is located at 880 Allentown Road. Its parent company isJohanna Farms, Inc., a "paper" corporation that administers contracts to buy milk (EPA,1990). In 1986, Lehigh Valley Dairies, Inc., purchased the property. Lehigh Valley Dairies,Inc., produces and distributes dairy products (Versar, 1988).
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Techlaw (1987) reported that Lehigh Valley Dairies has purchased toluene, cans of productscontaining 1,1,1-TCEA and PCE, and products containing various proportions of chlorinatedand fluorinated hydrocarbons. Versar (1988) reported that Lehigh Valley uses "paints,mineral spirits, cleaning solvents, and lubricants" and that the composition of these materialsis unknown, but, according to material safety data sheets, they contain methylene chloride,PCE, toluene, and 1,1,1-TCEA. Solvents were used to clean truck engines (CH2M HILL,1989b). All wastes were disposed of with the trash (Techlaw, 1987).
A PADER representative (1991) reported finding an area behind the northernmost buildingwhich appeared to be the site of a tank excavation.
CRYSTAL SOAP AND CHEMICAL COMPANY. INC.
Crystal Soap began operations at the facility at Eighth Street and Moyers Road in 19.61.The company manufactures and distributes disinfectants, detergents, soap, floor polishes, andother products. The facility stores some hazardous materials in unopened packages fordistribution to their customers. EPA (1990) reported that the facility uses potassiumhydroxide, sodium hydroxide, chlorinated powder, zinc sulfate, zinc stearate, isopropylalcohol, and mineral spirits.
In 1988, a vandal opened the valves of the onsite wax-storage tanks. Approximately 30,000gallons of hot wax entered a drainage channel at the northwest side of the facility. The waxhas not been completely cleaned up (CH2M HILL, 1989b).
DECISION DATA COMPUTER CORPORATION
Decision Data (Line and Perm Streets) had two or three 55-gallon drums of TCEAdelivered to the warehouse in 1982 and 1983 to clean the equipment. Rags containing TCEresidue were disposed of in a trash dumpster (Techlaw, 1987).
TRI-KRIS COMPANY. INC.
Tri-Kris has operated at this location (Walnut and Hatfield Roads) since 1948 as a precisionmachine shop (EPA, 1990). Techlaw (1987) reported that the company used an unknowncleaner and stored its waste in an underground storage tank. EPA (1990) reportedthat the company now uses Trim-Sol (composition not reported) and Safety-Kleen 105,which is composed of mineral spirits and contains 1,1,1-TCEA and PCE. Tri-Kris uses 10to 15 gallons of these solvents every 4 to 6 weeks.
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DIP 'N STRIP
EPA (1990) reported that Dip 'N Strip (10 South Mitchell Avenue) uses methylene chlorideand acetone, among other chemicals, to strip furniture. From 1972 until 1989, themethylene chloride was rinsed, along with spills, directly into a belowground sump that isdrained by the local sanitary sewer. Aboveground spills now go into a holding tank fromwhich they are removed, along with stripper sediment and sludge, by a contractor.
REP INDUSTRIES. INC.- - i . •
REP Industries has been operating at 312 Walnut Street for 20 years. Paints and paintthinners containing toluol are used, and hi the past, TCE and products containing acetone,methyl ethyl ketone, 1,1,1-TCEA, acetone, and methylene chloride were used.
RYBOND INDUSTRIAL PARK
Rybond Industrial Park (140 West Main Street) has housed several-small industries. PCE,Safety Clean, kerosene, mineral spirits, cutting oils, chloroethane, methyl ethyl ketone,Safety Solvent, Safety Sol, steam-cleaning soap, and fish oils reportedly have been used assolvents at the facility. EPA (1990) reported that the previous owner, Turbo, operated amachine shop at the facility and used both PCE and TCE.
UNITED KNITTING MILLS
Techlaw (1987) reported that United Knitting Mills, established in 1951 at Maple and SpringAvenues, Lansdale, used Oakite (composition unknown) and Chlorothene NU. Drums ofwaste Chlorothene NU were stored outside and showed evidence of .spillage. The companymore recently used 400 gallons of mineral spirits per year (EPA, 1990). Reportedly, soilcontamination by 1,1,1-TCEA was identified at the facility.
Lag Industries, the next owner, is a machine shop. The only solvent material now used atthe facility is a citrus cleaner. It is used at a rate of 2 to 3 gallons per month and isreclaimed by the recycler, Safety Kleen. The facility is presently occupied by NP Industrial.
LAND AGO MANAGEMENT CO. ' [ _
Gulf Adhesives operated a facility at this property. Investigations discovered PCB in an oldtank at this 650 North Cannon Avenue properly. TCE was identified as one compound inan old glue product. Five underground storage tanks were removed from the propertybefore March 1988 (American Resource Consultants, 1988).
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WESTSIDE INDUSTRIES
This company has owned this 5th and Mitchell Streets property since the mid-1980's. Theofficers produced sampling data showing elevated amounts of vinyl chloride, 1,1-DCEA, 1,2-DCEA and TCE. Westside operates as a landlord to a roofing company and a pretzelbaker. A cistern and three underground storage tanks are reportedly used at this propertybut no documented disposal of solvent exists. According to American Resource Consultants,Inc. (1989) the cistern is leaking to the groundwater and once contained water with 2,600jig/L 1,2-dichloroethene. The prior owner of this property was reportedly a company knownas Weaver Steel.
MATTERO BROTHERS
The current owners of the property at 316 West 7th Street have operated it as a salvagefacility mostly of metals, for several decades. There are drums of various ages on the facilityand at least one large former underground tank.
ELECTRA PRODUCTS CORP.
This 200 West 5th Street property is presently occupied by Auto Care Center. Electra useda PCE-based product for the manufacture of industrial furnaces and ovens.
2.2 Previous InvestigationsSeveral sampling and analysis programs have been undertaken in the site. The investigationresults are summarized in Table 2-2. Information presented in this section is obtained froma summary prepared by CH2M Hill (1991). Results from properties that are out of thescope of this investigation will not be discussed.
2.2.1 Chemical Analysis of Soil and Surface Water
In 1983, the NPWA sampled soil at two depths (approximately 1 foot to 4 feet andapproximately 5 to 8 feet) at 20 locations at Keystone Hydraulics, all on the southeast sideof the facility (Figure 2-1). The TCE values ranged from 1.3 to 15.8 /ig/kg at thenortheastern half of the sampled area and from 3.5 to 59,341 /tg/kg in the southwestern half.Typically, TCE values were highest in the shallow samples, but there were exceptions. APCE value of 1,184 jtg/kg and a vinyl chloride value of 100 jtg/kg were also measured. Noinformation on sampling or analytical methods was presented with the data.
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Figure 2 — 1SOIL SAMPLING LOACTIONS AT THE SOUTHEAST SIDEOF KEYSTONE HYDRAULICS IN 1983North Penn Area 6 SiteSource Control OU RI/FS——————————:———————fl.R3002U6——
In 1987, Robert H. McKinney, Jr., Associates, Inc., (McKinney, 1988) collected 13 surface-soil samples from widespread locations on the Lehigh Valley Dairies property and had themanalyzed by Wastex Industries, Inc., for benzene, PCE, 1,1,1-TCEA, and TCE. Nocontaminants were detected above the method detection limits of 1 /tg/kg.
In 1986, Guernsey Engineers (Guernsey, 1986) performed an organic vapor analyzer (OVA)survey of 17 locations at the Crystal Soap facility. Total VOC readings were less than 100ppm at most locations. At two locations where levels exceeded 100 ppm (near the boilerroom and at the unloading dock for wax and oil), soil samples were collected and analyzedfor VOCs by EPA methods 601 and 602. Ethylbenzene at 6.2 /tg/kg and trans-1,2-DCE at0.30 fig/kg were detected in the boiler room, and no VOCs were detected at the unloadingdock.
2.2.2 Chemical Analysis of Groundwater Samples
Groundwater samples have been collected at several locations in Area 6 over varyingperiods of time (Table 2-3). The following locations have available sampling data.
NPWA production wells L-7, L-8, L-9, L-10, L-12, L-21, L-23, L-25, L-26, and NP-61.
J.W. Rex wells.
Keystone Hydraulics wells and test holes.
Wells at John Evans', American Olean, Royal Cleaners, Andale, Lehigh ValleyDairies, Decision Data, K and K Laundry, Penndale Coffee, Rybond Park wells,Philadelphia Toboggan/Skee Ball, Weaver well, Lansdale Sewage Plant, CrystalSoap, and Derstine.
Private wells
In all municipal wells containing detectable volatile organics, the major contaminant is TCE.In well L-8, PCE, vinyl chloride, and cis-l,2-DCE were also detected. Well L-8 is by far themost contaminated of all Area 6 municipal wells, although well L-23 exhibited an unusuallyhigh TCE level (9,240 /tg/1) from a single sampling in May 1980.
Among the industrial wells, the highest concentrations of contaminants are found atKeystone Hydraulics and Rybond Industrial Park in central Lansdale, at John Evans' andPhiladelphia Toboggan/Skee Ball to the east, and at J.W. Rex to the north. Another areaof high levels of contamination, predominantly of PCE, is in the vicinity of Royal Cleaners.At J.W. Rex, Keystone Hydraulics, John Evans', and Philadelphia Toboggan/Skee Ball,
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PCE, TCE, and cis-l,2-DCE were detected; vinyl chloride was also detected at aconcentration of as high as 3,008 /tg/1 at Keystone Hydraulics. USGS personnel recentlymeasured water levels in a well at Keystone Hydraulics and reported the well as being "fullof oil" (U.S. Geological Survey, 1989). The high concentrations of TCE in wells at thesefacilities suggest the presence of dense non-aqueous phase liquids (DNAPLs) in thegroundwater.
Among residential wells, the predominant contaminants are TCE and cis-l,2-DCE, and PCEpredominates at one location. No vinyl chloride was detected in residential well samplesanalyzed for it; detection limits ranged from 0.5 jtg/1 to 10 pg/l. Of the 31 residential wellsfor which analyses are available, about hah7 (16) have had no volatile organics above thedetection limit (see Table 2-4); several of these wells had a trace detected, but precisemeasurements could not be made. Residential wells exhibiting detectable organiccontamination are found primarily in the vicinity of Lehigh Valley Dairies, J.W. Rex, andCrystal Soap.
2.2.3 Previous Remediation Actions
Techlaw (1987) reported that a 48-cubic-yard underground storage tank was removed fromthe Allied Paint (now Keystone Hydraulics) facility in September 1979. The tank's contentswere not identified, and the former tank location is unknown. NPWA reportedly sampledsoil in a test hole near the old tank and detected TCE at 42,200 ug/kg and PCE at1,970 fig/kg. DCE and vinyl chloride were also detected.
In 1989, a field investigation at Royal Cleaners located several steel drums buried in thebackyard of the facility. EPA entered into a consent agreement with the PRPs and thePRPs are performing a removal action on the buried drums. Several drums and. soil wereexcavated, and soil samples were taken. All of the drums were empty. At the time thiswork plan was prepared, the drums remained on the facility property, the excavation hadbeen closed, and no analytical results were available.
2.3 ClimatologyThe climate of the area is moist and is characterized by moderate temperatures (Longwilland Wood, 1965; Newport, 1971). Most of the weather patterns are derived from the'continental interior. Occasionally, coastal weather systems, having severe storms withconsiderable rainfall and a potential for flooding, affect the area (Longwill and Wood, 1965;Newport, 1971).
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The average annual precipitation ranges from 43 inches in eastern Montgomery County to47 inches in the northern part of the county. The precipitation is fairly well distributedthroughout the year. The wettest month is usually August, and the driest month is usuallyOctober. Most of the annual precipitation falls during spring and summer. The total annualprecipitation includes 20 to 30 inches of snowfall, and snow covers the ground about one-third of the time in winter (Longwill and Wood, 1965; Newport, 1971).
Temperatures range from 0 to 100°F. The long summers are characterized by daily hightemperatures in the 90s, and the winters are mild. The average temperature is about 54°F;monthly averages range from 33°F in February to 77°F in July. The freeze-free seasontypically ranges from 170 to 200 days (Longwill and Wood, 1965; Newport, 1971).
The mean annual rate of evaporation from surface-water bodies in the county is 33 inches.Because the free-water surface area is small, however, transpiration by vegetation constitutesthe primary means of returning water to the atmosphere. About 26 inches of precipitationare returned to the atmosphere through evaporation and evapotranspiration (Longwill andWood, 1965; Newport, 1971).
2.4 Demographics
According to the 1990 census, Lansdale Borough has a population of 16,394, all living in theurban area. There are 7,029 housing units in the Lansdale Borough, of which 7,019 unitsrely on public systems or private companies for water supply. The remaining 10 units drawwater from private wells. Among'the 9,165 people employed by industries (age 16 andover), about 35% is in manufacturing, 0.27% in mining, and 0.63% in agriculture, forestryand fisheries.
2.5 Topography and Surface Drainage
The study area is located in the Piedmont Physiographic Province. This area is in the Trias-sic Lowland and is underlain by the Triassic sedimentary rocks of the Newark Basin. Thetopography of the area is flat to gently rolling, with low ridges and hills underlain bysedimentary rocks that are more resistant to erosion and, in some cases, by more-resistantigneous rocks intruded into the sedimentary deposits. The land and drainage in the regiongenerally slope to the southeast, toward the Delaware River. The region is drained byNeshaminy Creek and its tributaries, which flow generally eastward and discharge ultimately
NP2/SECT208/04/93 2-9 A S«ck Md V««oh Company
ft.R300253
into the Delaware River, and by Towamencin Creek, Wissahickon Creek, and theirtributaries, which generally flow southward to the Schuylkill River, and ultimately reachesthe Delaware River. Surface elevations vary from about 200 feet to about 600 feet abovemean sea level (MSL).
The study area is located on generally flat to gently undulating land (see Figure 2-2).Elevation ranges from about 250 to 440 feet MSL. The land surface generally slopes to thesouth into the shallow valley of Towamencin Creek and to the north into the shallow valleyof the West Branch of Neshaminy Creek.
According to Newport (1971), approximately 15 to 21 inches of precipitation enter thesurface-water drainage system as surface runoff. In the vicinity of the study area, surfacerunoff probably moves toward the unnamed tributaries of the West Branch of NeshaminyCreek, toward Wissahickon Creek, or toward the tributaries of Towamencin Creek(Figure 2-2), although some runoff may be directed elsewhere by stormwater-collectionsystems.
2.6 Geology
2.6. t Regional Geology
The rocks underlying the region are typically composed of the Triassic deposits of theNewark Basin-see Figure 2-3 (Longwill and Wood, 1965; Newport, 1971). A generalizedgeologic section for Montgomery County is presented in Table 2-5 (Newport, 1971).
The bedrock deposits belong primarily to the Brunswick Formation. This formation consistsof thin, discontinuous beds of reddish-brown shale interbedded with mudstone and siltstone.The rocks are composed chiefly of feldspar, illite, chlorite, quartz, and calcite. The totalthickness of the Brunswick Formation in Montgomery County is about 9,000 feet, but it thinsto zero at locations where the underlying unit outcrops.
The Brunswick Formation is underlain by the Lockatong Formation, and in some areas thetwo formations interfinger. The Lockatong consists of massive beds of medium- and dark-gray argillite interbedded with thin beds of gray-to-black shale and siltstone. Somedolomite, feldspar, clay, and quartz are present. The Lockatong is more resistant to erosionthan the Brunswick is and forms a low ridge when outcropping at the surface. In the vicinityof the site, the maximum thickness of the Lockatong is about 4,000 feet.
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Figure 2 — 3GENERALIZED GEOLOGIC MAPNorth Penn Area 6 SiteSource Control ,OU RI/FS
AR300256
The Stockton Formation underlies the Lockatong and consists of interbedded layers ofsandstone and shale. The formation is typically divided into three members. The lowermember is characterized by red-to-gray, medium- to coarse-grained arkosic sandstone andconglomerate. Numerous lenses of silty and sandy red shale are interbedded with the sand-stone. The middle member consists of brown, red, and gray fine- to medium-grained arkosicsandstone with thick beds of red shale and siltstone. The sandstones of this member aresorted better than the sandstones of the lower member are. The upper member is madeof very-fine-grained arkose and siltstone with an extremely hard and resistant layer of redand gray shale at the top. In the vicinity of the site, the total thickness of the Stockton isabout 6,000 feet.
Diabase dikes and sills occur in the subsurface and are exposed at the surface in some partsof Montgomery County. They are composed of very dense, fine-grained black diabasecomposed primarily of augite and labradorite. The dikes vary from 5 feet to 100 feet inthickness. The sills may exceed 1,000 feet in thickness at some locations.
The Brunswick and Lockatong formations typically dip to the northwest and the north at anaverage angle of about 20 degrees. Several broad anticlines and synclines are superimposedon the major geologic structure. The beds of the Stockton typically dip between 5 and25 degrees to the northwest. The beds have a strike that trends approximately north-northeast to south-southwest.
The formations in the vicinity of the site are cut by a well-developed system of nearlyvertical joints. Three distinct joint sets have been identified in the Brunswick Formation(SMC Martin, 1983). One set strikes about N30E. The other sets are less well developedand strike N45W and N75E. All three joint sets are nearly vertical, and the spacing betweenjoints averages about 6 inches. The joints are narrower and more widely spaced in theLockatong than in the Brunswick. Where the Brunswick and the Lockatong are inter-fingered, the rocks have a greater number of fractures. The joints in all the formations aregenerally partially filled with either quartz or calcite cement.
Because of the long-term urbanization of the Lansdale area, aerial photographs of the sitethat are suitable for identifying fractures are limited. Bionetics (1989) provided a limitedfracture-trace analysis of the vicinity of the 8th Street at Valley Forge Road in the northernpart of the Lansdale area, indicating two strongly defined fractures, one west of the facilitytrending generally east-west and the other northwest of the facility trending generally north-south. Some weakly to moderately developed fractures with similar trends were alsoidentified.
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AR300257
NP2H'ABLE2-B
06/06/93
Table 2-5GEOLOGIC SECTION: MONTGOMERY COUNTY, PENNSYLVANIA
Ere System and Epoch
CenozoicQuaternaryHolocene
Pleistocene
TertiaryPliocene (?)
MesozoicCretaceous
Triassic
O
PaleozoicOrdovician
Cambrian
Precambrian (?)
Procambrian
Formation
Alluvium
Pensauken Formation
Bryn Mawr Gravel
Patapsco Formation
Diabase
Brunswick Formation
Lockatong Formation
Stockton Formation
Conestoga Limestone
Elbrook Formation
Ledger Dolomite
Harpers Formation
Chickies Quartzite
Wissahickon Formation
Granite gneiss
Hornblende gneiss
Serpentine
Thicknett(feet)
0-10
0-10
0-10
0-10
1-5,800
0-16,000
0-2,000
1,000-6,000
500-800
800
1,000
500-800 (?)
500-1,000
—
—
...
—
Character
Soil, sand, gravel, and clay; deposits instream valleys.
Sand, gravel, clay, yellowish-brown;small areal extent.
Sand and gravel; small areal extent.
Clay and sand; highly colored; smallareal extent.
Medium- to coarse-grained dark grayigneous rock; occurs as dikes and sills.
Shale, mudstone, sandstone, andconglomerate beds; reddish-brown.
Argillite, mudstone, and shale; dark grayto black; thick bedded.
Shale and siltstone in upper member;sandstone, fine- to coarse-grained,arkosic middle member; conglomeratelower member.
Limestone; impure, thin-bedded upperpart; middle dark graphitic phyllite,. lowerlimestone, granular thick-bedded, darkgray.
Limestone; fine-grained, light gray tocream-colored, thin-bedded.
Dolomite; granular; gray to bluish gray.
Phyllite; fine-grained; greenish-gray;some beds of quartzite and schist.
Quartzite, vitreous, light-colored thick-bedded, conglomerate at base.
Schist (albite-chlorite and oligoclase-mica); includes hornblende gneiss andphyllite.
Composed chiefly of quartz, feldspar,biotite, and hornblende.
Composed of quartz, feldspar, andhornblende.
Soft, fine-grained, green.
AR300258
2.6.2 Site Geology
Rima (1955) describes the geology of the Lansdale area in general terms. The site isunderlain by Brunswick shale, which consists of soft red shale interbedded with reddish-brown siltstone and sandstone (Figure 2-3). The beds are thin, and bedding planes areirregular and discontinuous. The shale is fractured, and some of the fractures are filled withcalcite. Thin layers that appear to be a limestone conglomerate occur in the area. Solutionopenings may occur in layers where there is limestone, enhancing the water-transmittingcapabilities of the formation. SMC Martin (1983) reported that fractures in the rock arenumerous and are commonly inclined at high angles to the bedding planes.
Southeast of the site (Figures 2-2 and 2-3), the interfingered zone of contact between theBrunswick and the underlying Lockatong outcrops at the surface (SMC Martin, 1983). Thiszone dips to the northwest at about 10 degrees. The Lockatong is a gray shale interbeddedwith thin beds of gray-to-black shale and siltstone.
Drilling logs for NPWA wells L-26 and NP-61 contain information on the rock types in thearea. At well L-26 (Figure 2-4), Brunswick shale was encountered from the surface to adepth of 230 feet and from 250 to 33'0 feet. Lockatong rocks were encountered from 230to 250 feet and from 330 feet to the total depth of the well, at 370 feet. Thus, this well wasapparently drilled into the interfingered zone between the Brunswick and the Lockatong.Calcite joint filling was commonly encountered. At well NP-61 (Figure 2-4), the Lockatongwas abruptly encountered at a depth of 250 feet.
Rima (1955) prepared a cross section that included electric resistivity, spontaneous potential,and borehole-flowmeter logs for wells L-21, 150, 83, and 155; the locations of these wellsare shown in Figure 2-4. Similar data were also available from wells 64 and 144. Theobjectives of obtaining the logs were to locate fractures in the boreholes and to correlategeologic properties between boreholes. Occasionally, there was some limited correlationbetween (1) borehole-flowmeter results that indicated the presence of fractures, which wouldindicate the presence of water-bearing horizons, and (2) zones of low resistivity, whichindicates the presence of rock with significant water-bearing features. In general, though,the correlation was poor. The logs generally determined that correlation of beds over adistance of 1,000 feet or more is poor, attesting to the irregular distribution of the beds andtheir lack of lateral continuity. Resistivity generally increased with depth, indicating achange from rock having high water content to dense rock having low water content. Thehydrogeologic significance of these logs and the results of borehole-flowmeter tests run inthese wells are presented later in the hydrogeology discussion.
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Straddle-packer tests and caliper, electrical resistivity, and spontaneous potential logs wererun in NPWA wells L-8 and L-9 in the early 1980s (Sutton, 1983). The objective of thelogging was to identify fractured intervals in the rock; the objectives of the straddle-packertests were to quantify the hydraulic characteristics of the fractured zones and to obtain dataon groundwater quality. There was a moderate correlation among the increased size of theborehole (determined from the caliper log), a lower resistivity, and the presence ofsignificant water-bearing fractures. In general, fractures were most frequently encounteredin the upper 200 feet of the bedrock. Additional information obtained from the straddle-packer tests is presented in the hydrogeology discussion.
2.6.3 Soils
Most of the soils in Montgomery County, especially in the vicinity of the study area, aremoderate to deep in depth and gently sloping (SCS, 1986). They are generally acidic andhave moderately slow drainage. Table 2-6 summarizes the soil series that are found in thestudy area (SCS, 1986).
Only limited site-specific data on soil is available. Because of the amount of constructionin the urbanized part of the site, not much soil is expected to be present. Soil that ispresent probably consists mostly of residual soil reworked by construction activity. 'Duringsoil sampling at the Keystone Hydraulics facility, NPWA encountered up to 9 feet of soil.
2.7 Hydrogeology
2.7.1 Recharge and Discharge
Precipitation that does not evaporate, evapotranspire, or leave the area as surface runoffinfiltrates the ground as groundwater recharge. Given the high evapotranspiration rates ofsummer and the low rainfall rates of fall, most infiltration occurs during winter and spring(Newport, 1971). Therefore, water levels in the wells in and around the study area typicallydecline during summer and rise during winter and spring.
SMC Martin (1983) reported that average stream base flow east of the Lansdale area is29,400 cubic feet per square mile (cfd/sq mi) per day. This rate translates to a rechargerate of about 0.39 feet, or 4.7 inches, per year.
2.7.2 Aquifer Characteristics
Groundwater occurs primarily in the joints and fractures. The well-developed, nearlyvertical joints occurring in many of the rock units are primary pathways for groundwater.
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Table 2-6SOIL SERIES FOUND IN REGION
Series
Lawrenceville
Made Land
Penn
Readington
Rowland
Description
Deep, moderately well-drained silty loam. Moderately permeable to a depthof 18 to 20 inches and moderately low permeability further below. Found onlower slopes and in depressions.
Results from altering or mixing, by construction activity, soil formed inmaterial weathered from shale and sandstone. Consists of shaly silt loam;many areas consist entirely of pieces of shale.
Moderately deep to shallow reddish-brown silt loam. Formed in materialweathered from red shale, siltstone, and fine-grained sandstone. Moderatelyhigh permeability.
Deep, moderately well-drained silt loam. Nearly level to moderately sloping.Formed hi materials weathered from shale, siltstone, and sandstone. Locatedon smooth-to-rolling uplands. Contain firm subsoil that has grayish mottles inthe lower part.
Deep, moderately well-drained or somewhat poorly drained, nearly level siltloam on flood plains. Formed in material washed from uplands that areunderlain by red shale and sandstone.
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The distribution of these fractures controls the general flow of groundwater. Theintergranular porosity in sandstone may act as storage for groundwater, but groundwaterflow in the primary porosity is limited. :
The Lockatong Formation yields groundwater to wells at an average rate of only about7 gallons per minute (gpm). In the areas where the Lockatong and the Brunswickinterfinger and fractures are wider and more closely spaced, yields from the Lockatong arereportedly greater (NUS, 1986).
! l " ' ' . . .
According to Longwill and Wood (1965), the Brunswick Formation is considered a reliablesource of small-to-moderate supplies of groundwater. Their analysis of almost 200 wells inMontgomery and Bucks counties indicated that wells should be installed to a depth of atleast 200 feet if yields of more than 100 gpm are desired. Typically, wells drilled to between200 feet and 550 feet provided maximum yields. These wells are usually completed as openboreholes, with surface casing extending to 20 to 40 feet below the ground surface.
2.7.3 Site Specific Characteristics
The more-site-specific information provided by Newport (1971) only weakly demonstratesthe relationship between well depth and yield. Table 2-3 shows data on well constructionand yield for several wells in the vicinity of the site. The locations of most of these wellsare shown in Figure 2-4. In general, it appears that wells that are shallower than 200 feethave lower yields than those between 200 feet and 550 feet. The yields of wells between200 feet and 550 feet vary greatly, however, and three wells (61, 62, and 64) with depths inthis range produce less than 10 gpm.
The greater yields observed in the wells drilled to depths between 200 feet and 550 feet maybe misleading. No information is available on what depths in the well contributed to theyield. Most of the yield may have been supplied by shallower fractured intervals, but thewell was drilled to a prespecified depth or was drilled deeper with the expectation that morewater would be encountered. Sutton (1983) concluded that straddle-packer tests in NPWAwells L-8 and L-9 show that the major water-producing zones for each of these wells are at,depths of less than 200 feet.
In October 1982, a pumping test was performed for the NPWA in well NP-61 for 48 hoursat a rate of 203 gpm (SMC Martin, 1983). From this test, transmissivity was estimated at1,024 square feet per day (sfd), using methods designed for isotropic and homogeneousporous media. Because the bedrock in the vicinity of the site is fractured, these methodsmay have limited application. SMC Martin (1983) reported that typical values of thetransmissivity of the interfingered zone range from 940 to 1,880 sfd, and a typical storagecoefficient is 9.5 x IO"4.
MCm
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Longwill and Wood (1965) discuss other aquifer tests in the region in which observationwells were available both along and across the strike of the rocks. Typically, the drawdownwas less in the observation well across the strike than in the observation well along thestrike, indicating that the latter is a preferred trend of fracture development. They reportedtransmissivities that ranged from 470 to 9,200 sfd, according to aquifer tests performedwithin 5 miles of NPWA well NP-61. However, the higher transmissivity values wereobtained from wells either updip or downdip from the pumping wells; the limited effect ofthe pumping wells on these wells that is due to the lack of hydraulic interconnection resultedin values of transmissivity that are probably too high. Values reported in the range of 470to 1,200 sfd are probably more realistic.
Martin (1981) reported that a direct hydraulic connection existed between a North PennArea 7 PRP (Spra-Fin) and contamination in NPWA well L-22. The PRP facility and wellL-22 are positioned somewhat across the bedrock strike from one another, so hydraulicconnection would be expected to be limited according to the previous discussion ofpreferred flow directions. Reportedly, the hydraulic connection is largely along bedrockbedding planes, which dip at 5 to 20 degrees to the northwest in most of the North Pennregion. In this situation, a PRP several thousand feet southeast of a contaminated well mayhave been responsible for the contamination despite the distance and location across thebedrock strike. This situation also may exist in Area 6 because of the similarity in rocktypes and structures.
Rima (1955) provided a map of water-level contours in the Lansdale area, showing thedistribution of the water table in the late summer of 1954 (Figure 2-5). In general, thewater-table distribution is dominated by several pumping centers. Well L-10 in southwestLansdale exerted the greatest influence; well L-ll and several wells along WissahickonCreek exerted less influence. In general, cones of depression were elongated to thenortheast and the southwest, which is consistent with the preferred directions of groundwaterflow described by Longwill and Wood (1965). The configuration of the water table in thesouthwestern and east-central parts of the map in Figure 2-5 suggests that topography mayexert some influence on regional flow but that the influence is largely eliminated in thecentral Lansdale area because of well pumping.
The U.S. Geological Survey (USGS) collected water-level measurements in several wells inthe vicinity of the site during 1989. Data are insufficient, both in number of measurementsat each well and in the areal density of measuring points, for deriving general conclusionsabout groundwater-flow directions at the site. The few available measurements areconsistent with the presence of a pumping center in Lansdale, perhaps at NPWA well L-8.Depths to water varied from about 18 feet at well 82 in the northern part of Lansdale toabout 70 feet at well 618 in the eastern part (see Figure 2-4 for well locations).
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WATER-LEVEL CONTOUR MAP OF THE LANSOALE AREASWWIWS
ALTITUDE OF THE WATER TAiCE IN LATE SUMMER l»$4
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a ttt*» u* tertt
Figure 2-5WATER-TABLE MAPFOR LATE SUMMER(FROM RIMA, 1955)North Penn Area 6 SiteSource Control OU RI/FS
flR3Q0265
The USGS collected continuous water-level data from wells 81 and 82 from late Aprilthrough late June of 1989. The water levels in well 81 were characterized by a gradualincrease in water level over the period, with 0.1- to 1.0- foot deviations occurring onapproximately a daily basis. The depth of the water level decreased from 54 to 49 feet overthe 2-month period. The water level in well 82 shows the strong influence of a nearbypumping well (probably NPWA well L-26), characterized by fluctuations of 3 to 5 feet every4 to 5 days. At its shallowest, the water level in this well was only 13 feet below the surface.
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3.0 CONCEPTUAL SITE MODEL
This section describes the conceptual site model of the study area. The conceptual sitemodel includes the following elements:
* Contaminants of concern and their properties• Sources and releases of contamination• Pathways of contaminant migration• Receptors
3.1 Contaminants of Concern and Their Properties
The following chemicals have been detected in the groundwater, and may potentially existin the soil of the North Perm Area 6 site,
' < • . - . ' . .1,1,1-TCEA1,1,2-TCEA ...1,1-DCEA1,2-DCEA1,1-DCE -cis-.l,2-DCEMethylene chloridetrans-l,2-DCE :'Carbon tetrachlorideChloroformTrichlorofluoromethanePCETCEVinyl chlorideAcetone :Arsenic . ,.BariumLead .SeleniumSilver ;
Table 3-1 lists the organic contaminants that have been detected in the North Penn Area6 site and their important properties. Table 3-2 lists the major metal contaminants and theirmost likely chemical forms found in soil and groundwater.
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TABLE 3-2COMMON CHEMICAL FORMS AND ASSOCIATIONS
OF METAL CONTAMINANTS FOUND INTHE NORTH PENN AREA 6 SITE
Metals
4
Arsenic
Barium
Lead
Selenium
Silver
Chemical Forms
Arsenate (AsC 3"), Arsenite (AsO2")
Sulfate (BaSO4)
Pb2+, PbCl+, PbSO4, PbCO3, Organic
Selenate (SeO4"), Selenite (SeO3")
Ag+, Chloride (AgCI)
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3.2 Sources of ContaminationContaminant sources may be present at most of the PRP properties. Most of theinformation in this section is obtained from a summary prepared by CH2M Hill (1991).Table 3-3 lists the former and present occupants of each PRP facility, the reported use ofchlorinated solvents, and the chlorinated solvents detected in onsite wells. Commonly, theuse of chlorinated solvents at a facility compares closely with the contaminants in the well,but a one-to-one correspondence does not always exist. Philadelphia Toboggan hasreportedly used only small quantities of chlorinated solvents, but the wells at the facilityhave significant contamination. On the other hand, Tate Andale, which reportedly disposedof chlorinated solvents by pouring them on the ground on the property, has only low levelsof contaminants in the onsite well. '. . .
3,2.7 Keystone Hydraulics
The primary location identified as a potential source of contamination is on the southeastside of the facility, where soil sampling indicated high levels of TCE and some PCE andvinyl chloride. Leaching of organics from this soil may represent a release of contaminationto the groundwater. One underground storage tank of unknown use remains in place at thefacility. Underground storage tanks were removed from other locations on the property in1979. Information of uncertain origin indicates that high levels of organic solvents may havebeen detected in soil in the vicinity of some of these tanks. Leaks and spills from thesetanks or during filling and discharging operations may have been mechanisms forcontaminant release. There is no indication that soil remediation was performed.
3.2.2 John Evans
The facility stores unused organic solvents in an aboveground tank on the northwest side ofthe building and stores waste solvents in drums on the northeast side of the building. Anunderground tank for fuel oil is also on the northeast side,of the building. At one time, apipe drained surface runoff from around this tank into a nearby well on the property.
3.2.3 Eaton Laboratories
Solvents and waste solvents were handled at the facility, presumably in the vicinity of theloading dock. No other information is available for adequately assessing this facility as asource.
A»CT«
*%NP2/SECT3 . > ' '*r08/04/93 3-2 >' A BI»k.ndV«toh Company
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Table 3-3RELATIONSHIP OF PRPS, USE OF CHLORINATED SOLVENTS,
AND CHLORINATED SOLVENTS DETECTED IN ONSITE WELLS
Past Occupant ofWell Facility (Beginning
Facility Contaminant with Most Recant) Solvent Use
Keystone Hydraulics PCE, TCE, methylena Keystone Hydraulics Decreasing solventschloride, 1,2-DCE, Allied Paint Paint solvents
vinyl chloride, J.W. Rex TCE1,1,1-TCEA, 1,1-DCE,carbon tetrachloride
John Evans' PCE, TCE, 1,2-DCE, . John Evans' TCE, PCE1,1-DCE, vinyl Ametek TCEchloride, 1,1,1-TCEA
Eaton No data Eaton PCE, 1,1,1-TCEA, TCE(possibly)
Royal Cleaners PCE, TCE, 1,1,1-TCEA, Royal Cleaners PCE
1,1-DCE, 1,2-DCE,carbon tetrachloride
Lansdale Realty No well Lansdale Auto Body Paint thinners
Lansdale Realty UnknownLandsaleTransportation Degreasing solvents
Andale TCE, 1,1,1-TCEA, Rogers Mechanical Unknownmethylene chloride Andale 1,1,1-TCEA, TCE
Philadelphia TCE, PCE, Philadelphia Toboggan TCE
Toboggan/ 1,2-DCE, methylene Newark Hairfelt UnknownSkee Ball chloride, 1,1,1-TCEA,
1,1-DCE, chloroform
Skee Ball TCEPaint solventsMethyl ethyl ketone
Lehigh Valley TCE, PCE, Lahigh Valley 1,1,1-TCEA, PCE1,2-DCE, 1,1,1-TCEA,
1,1-DCE
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Table 3-3(continued)
v Past Occupant ofWell Facility (Beginning
Facility Contaminant with Most Recent) Solvent Use
Crystal Soap 1,2-DCE, TCE, Crystal Soap Use unknown; stored for
1,1,1-TCEA, 1,1-DCEA, distribution purposes1,1-DCE, vinyl
chloride
Decision Data TCE, methylene chloride Decision Data TCE: 'j • - ' ' •
Tri-Kris No well Tri-Kris . Mineral spirits,,' 1,1,1-TCEA, PCE
Dip 'N Strip No well Dip 'N Strip Methylene chloride,acetone
REP No well . REP - TCE, acetone,1,1,1-TCEA, methylene
chloride
Rybond 1,1,1-TCEA, TCE, Various occupants . PCE, kerosene, mineral
PCE, Cis-1,2-DCE, spirits, chloroethane
1,1-DCEA, 1,2-DCEA, Turbo PCE or TCE
1,1-DCE, carbontetrachloride, 'chloroform, trans-
1,2-DCE
United Knitting ~ No well Lag " Citrus cleanerUnited Knitting Chlorothene NU, mineral
spirits!l
Royal Cleaners No well Royal Cleaners PCE
ii 1Electra Products No well Not Known PCE
,1 , •
Mattero Brothers No well Mattero Brothers Scrap Metals
Westside Industries No well . Weaver Steal Vinyl Chloride,1,1-DCEA, 1,2-DCEA,
TCE
<NP2/TABLE3-3
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3.2.4 Royal Cleaners
PCE and solvent wastes are handled at the facility. Used dry-cleaning equipment was storedon the property at one time. Steel drums containing an unknown quantity of solvents wereburied on the property at one time, and solvents may have been spilled, serving as a releasemechanism for contamination.
3.2.5 Lansdale Realty
A truck-maintenance operation that was formerly located here may have used chlorinatedsolvents. An underground storage tank used for waste solvents was reportedly located atthe site. The building formerly housing that operation now houses an automobile-repairshop that uses paint thinners containing solvents.
3.2.6 Tate Andale Company
TCE and 1,1,1-TCEA have been handled at the facility and stored in a tank inside thebuilding. Spills and leaks may have occurred when solvents were handled around this tank.Until 1972, spent solvents allegedly were disposed of by being poured onto an ash pile onthe property. The ash pile reportedly has been leveled, but apparently no remediation hasbeen performed.
3.2.7 Philadelphia Toboggan
The facility reportedly used a product that'may have contained TCE, but no otherinformation is available. Waste materials are stored in a locker outside of the facility.Spills may have occurred during material handling and storage. Reportedly, two concretepits containing unidentified liquids are at the facility and are connected to the sewer system.One of the pits supposedly has been covered with concrete; there is no indication that it wasemptied. Leaks from these pits may have been a release mechanism for contamination.
3.2.8 Lehigh Valley Dairies
In connection with equipment maintenance, particularly for trucks, 1,1,1-TCEA and PCEhave been used at the facility. All wastes from using these solvents reportedly weredisposed of with the regular trash service. Spills and leaks may have occurred during thehandling of these materials.
INK TVMMMtACV &MF.
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3.2.9 Crystal Soap
This facility reportedly handles organic solvents in limited quantities, only as a retailer ofthe products to customers.
3.2.10 Decision Data
Some TCE was used at the facility to clean electronic equipment. Additional informationon the facility is needed to assess whether sources exist.
3.2.77 Tri-Kris
This facility has used solvents containing 1,1,1-TCEA and PCE and solvents of unknowncomposition. Some spills may have occurred during handling. Potential leaks fromunderground storage tanks may be a concern. (
3.2.12 Dip 'N Strip
This facility has reportedly used only methylene chloride and acetone as organic solvents.A belowground sump into which spills were washed may have leaked.
3.2.73 REP Industries
Several solvents have been used at this facility, including TCE, 1,1,1-TCEA, acetone, andmethylene chloride. Spills may have occurred during handling.
3.2.74 Rybond
This facility has been occupied by many small industries that have used a variety ofchlorinated solvents; one former occupant, Turbo, reportedly used PCE or TCE at thefacility. Spills may have occurred during handling.
3.2.75 United Knitting Mills
Oakite (composition unknown) and Chlorothene NU have been used at the mills, and 1,1,1-TCEA was reportedly identified in the soil. Spills may have occurred during handling.
3.2.16 Westside Industries
Westside operates as a landlord to a roofing company and a pretzel baker, and has ownedthe. property since mid -1980's. A cistern and three underground storage tanks are
NP2/SECT308/04/93 . 3-4 * »•(*and VMtoh Compiny
&R3Q0275
reportedly used at this property. Sampling of the cistern revealed elevated levels of volatileorganics (as high as 2600 ng/L of 1,2-dichloroethene). Further tests done by AmericanResource Consultants, Inc. (1989) indicated that the cistern leaks to the groundwater.
3.2. 77 Electra Products Corp.
A PCE-based product has been used in this property for manufacturing industrial furnacesand ovens.
3.2.18 Landacq Management Co.
It is reported that five underground storage tanks were removed before March 1988. Atthese excavation sites, total petroleum hydrocarbon was detected at levels up to 340 mg/kg.
3.2.19 Mattero Brothers
No information is available from the Mattero Brothers property other than its reported useas a salvage yard and drums/tanks observed onsite from which there may have been spills.
3.3 Migration Pathways
The following contaminant-migration pathways may exist for contaminants found in the soils(Figure 3-1):
• Leaching of contaminants to the groundwater
• Transport of contaminants in soil through surface runoff to surface water
• Transport of airborne contaminants as volatilized chemicals or dusts
• Transport and accumulation of contaminants by biota.
Based on review of historical information, the primary concern at present seems to becontinuous leaching of soil contaminants into the groundwater. Accumulation ofcontaminants in biota grown in contaminated soils may be an important pathway. Incontrast, transport of contaminants with wind-blown dusts seems less significant, as mostareas and properties are paved. This limits the erosion of soils that carry contaminants fromsources.
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Contaminants may be transported within soil or from soil to bedrock, either dissolved inwater or in a free-product phase. As free product, most of the potential contaminants ofconcern would be heavier than water and would therefore move downward under the forceof gravity. No data are available on whether any of the contaminants are present in the freephase.
3.4 Receptors
Because of the limited scope of this source control RI/FS, this section and the following riskassessment sections will only identify subjects relevant to human health impacts. Receptorsof contaminants in the study area include both human and other species. Site residents,employees, and visitors to the study area could come into contact with groundwatercontamination from wells through ingestion. These human receptors could come intocontact with contaminants in air through inhalation, in vegetation in surface water andsediment through direct contact, and in biota through ingestion. Human receptors couldalso have dermal contact with contaminated soil through bathing and showering withcontaminated water.
Similarly, other species could come into contact with contaminants in air through inhalationand with contaminants in surface water, sediment, and soil through ingestion, inhalation, anddermal contact.
3.4. 7 Potential Human Health Impact
The preliminary risk assessment based on the available data and the conceptual site modelcan be performed to evaluate the potential human health impact by soil contaminants.Because of data limitations both in quantity and in level of QA/QC review, this assessmentis preliminary and is designed primarily to identify data gaps and to focus the RI/FS.
This preliminary risk assessment uses potential chemicals of concern identified in Section3.1, analyzes briefly toxicological information, identifies potential exposure pathways, andcharacterizes risk.
3.4.2 Toxicity Assessment
This section briefly discusses the potential hazards of the chemicals identified above.Thirteen carcinogens (classified by EPA as Group A, Group B, or Group C), were detectedat the site: 1,1-DCE, 1,1,1-TCEA, 1,1,2-TCEA, chloroform, PCE, carbon tetrachloride,methylene chloride, 1,1-DCEA, 1,2-DCEA, vinyl chloride, TCE, arsenic, and lead (U.S.EPA, 1989a). Toxicity profiles of these chemicals are summarized in Table 3-4.
NP2/SECT308/04/93 3-6 * *•<* mi V««oh Company
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3.4.3 Exposure Assessment and Land Use
Exposure assessment involves identifying potential routes through which human contact withcontaminants may occur. Within the scope of the source control RI/FS, the exposure routesinclude
• Release of contaminants from soil to air, transport through air, and exposureby inhalation.
• Exposure to contaminated soil by direct contact or ingestion.
• Exposure to contaminant sources by direct contact, ingestion, or inhalation.
• Exposure to contaminants through consumption of agriculture products grownin contaminated soils.
Of these exposure routes, consumption of contaminated agriculture products is the leastknown. However, it may not be as important as the other exposure routes because theproperties under investigation are either located in urban vicinities or not found to be nearfarms and gardens.
All of the properties under investigation are currently in use for industrial, office park, andvarious other commercial purposes.
3.4.4 Preliminary Risk Assessment and Remediation Goals, _ . . . . \
Preliminary risk assessments use toxicity, exposure route and land use information identifiedpreviously to derive preliminary soil cleanup levels based on risks to human health. Inaddition, preliminary soil cleanup levels can also be calculated from transport properties ofthe contaminants based on the protection of groundwater quality.
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3.4.4.1 Risk Based Preliminary Remediation Goals. The development of preliminaryremediation goals (PRGs) early in the RI/FS process facilitates development of a range ofappropriate remedial alternatives and can focus selection on the most effective remedy(EPA, 199la). The development of PRGs generally requires the media of concern,contaminants of concern, and probable future land use to be known at the beginning of theRI/FS process (EPA 1991a). !
Generally, EPA suggests that a carcinogenic risk level of IO"6 and noncarcinogenic hazardindex of 1 should be used as a starting point for estimating remedial goals and remedialalternatives to a site. These fixed values were used to make the initial estimates of PRGs.
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Acceptable risk levels for some chemicals can also be obtained from examination of ARARs(federal or state levels).
Risk-based PRG were developed for the residential and commercial soil exposure scenariosusing the equations on page 28-29 and guidance presented in "Interim Final RiskAssessment Guidance for Superfund, Volume I, Human Health Evaluation Manual (PartB)," December 1991. Due to the presence volatile organic compounds as comtaminants ofconcern, the soil to air volatilization factor was used to calculate the PRGs. The risk-basedPRG's calculated for the site are presented in Table 3-5.
3.4.4.2 Preliminary Soil Cleanup Levels Based on Protection of Groundwater. Thefollowing calculation was completed to estimate the soil clean-up levels which would berequired to achieve maximum contaminant levels (MCL) and maximum contaminant levelgoals (MCLG) in water established by the EPA for human health risk and aquatic biota.The calculation considers the distribution of contaminants between soil and water. Becauseof limited data available, it is assumed that (1) the entire thickness of overburden soil iscontaminated, (2) contaminant levels in the leachate will be the same as those found in thegroundwater, and (3) organic carbon content in soil is 0.5%.
For chlorinated hydrocarbons, hydrophobic sorption is a significant mechanism in evaluatingthis distribution. Hydrophobic sorption is the "dislike" that a contaminant has for water, andthe resulting affinity it has for other surfaces, in particular organic carbon coated surfaces.Schwarzenbach and Westall (1981) demonstrated hydrophobic sorption of chlorinatedhydrocarbons on aquifer, lake, and river sediments. They found that the following empiricalformula relates the partitioning coefficient between solid and water to the octanol/waterpartitioning coefficient and the fraction of organic carbon on the surface.
Log Kp = 0.72*log Kow + log foe + 0.49
Where, ; . .
Kp: Water soil distribution coefficient
Kow: Octanol/water partitioning coefficient
foe: Fraction of organic carbon in soil „
For the purposes of this calculation, the Swarzenbach and Westall formula was used toestimate the Kp of the organic contaminants of concern at the North Penn Area 6 Site. Thepercentage of organic carbon in the soil at the site was assumed to be 0.5%. Swarzenbachand Westall found that the formula worked for sediments where the percent organic carbonwas larger than 0.1%.
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The estimated Kp value was then substituted into the following set of equations to obtainthe required soil clean-up levels:
Kp = (pollutant bound to soil)/(aqueous pollutant)
The aqueous pollutant value was then assumed to be equal to the MCL to establish themaximum allowable level in the water.
aqueous pollutant = MCL I
Kp = (pollutant bound to soil)/MCL
Solving for "pollutant bound to soil" gives the required soil contaminant concentration toachieve the MCL.
"pollutant bound to soil" = Kp X MCL
The procedure was also followed for the MCLG values established by the EPA and includedin the Pennsylvania Clean Water Regulations. Results are tabulated in Table 3-6.
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4.0 APPLICABLE OR RELEVANT ANDAPPROPRIATE REQUIREMENTS
Section 121(d)(2)(A) of CERCLA incorporates into law the CERCLA Compliance Policy,which specifies that Superfund remedial actions meet any federal standards, requirements,criteria, or limitations that are determined to be legally applicable or relevant andappropriate requirements (ARARs). In addition, any promulgated state regulation,standard, criteria, or limitation which is more stringent than the corresponding federalregulation, standard, criteria, or limitation must be adhered to during the remedial actionfor this site. Some Federal statutes potentially applicable to the North Penn Area 6 SiteSource Control Operable Unit include the Safe Drinking Water Act (SDWA), (CAA),Clean Air Act (CAA), the Clean Water Act (CWA) and the Resource Conservation andRecovery Act (RCRA). Examples of potentially applicable state statues for the site includethe Pennsylvania Water Quality Standards, Pennsylvania Air Pollution Control Regulationsand the Pennsylvania DER Groundwater Protection Strategy.
ARARs can either be contaminant-specific, location-specific, or action-specific.Contaminant-specific ARARs are usually health or risk-based numerical values limiting theamount or concentration of a chemical that may be found in or discharged to theenvironment. The Maximum Contaminant Levels (MCLs) of the SDWA, the FederalAmbient Water Quality Criteria of the CWA, the Pennsylvania Water Quality Standards,and the Pennsylvania DER Groundwater Protection Strategy are examples of contaminant-specific ARARs.
Location-specific ARARs include restrictions on certain types of activities based on sitecharacteristics. These include restrictions in wetlands, floodplains and historic sites. A fewexamples of location-specific ARARs are the Endangered Species Act, Fish and WildlifeConservation Act, and the Pennsylvania Wild and Scenic Rivers Act.
Action-specific ARARs are usually technology- or activity-based directions or limitations thatcontrol actions taken at hazardous waste sites. Action-specific ARARs are triggered by thetypes of actions under consideration. The CWA, the Pennsylvania Clean Streams Law, andthe Pennsylvania DER Groundwater Protection Strategy contain numerous potential action-specific ARARs.
ARARs for the North Perm Area 6 Site Source Control Operable Unit will be finalized inthe RI/FS. As more site data is collected, analyses will be conducted to determine whetherprobable ARARs are applicable or relevant and appropriate. Several of the probable
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contaminant-and location-specific ARARs that can be identified from existing site data arepresented in Tables 4-1 through 4-3. Action-specific ARARs will continue to be identifiedas remedial action alternatives are developed.
In this section, the chemical, location, and action-specific ARARs for the North Penn Area6 site are presented. Regulations promulgated under the following laws may containARARs for the site:
RCRACWASDWACAAPennsylvania Code, Title 25 for hazardous and non-hazardous waste control.Pennsylvania Clean Streams Law
4.1 Chemical-Specific Requirements
This section presents a summary which may not be all inclusive, of federal and statechemical-specific ARARs. All of these ARARs provide some specific guidance on"acceptable"or "permissible" concentrations of contaminants in water and air. A summaryof chemical-specific ARARs and TBCs is listed in Table 4-1.
The Safe Drinking Water Act (SDWA) promulgated National Primary Drinking WaterStandard Maximum Contaminant Levels (MCLs) (40 CFR Part 141). MCLs are enforceablestandards for contaminants in public drinking water supply systems. They consider not onlyhealth factors, but also the economic and technical feasibility of removing a contaminantfrom a water supply system. The EPA has also recently proposed Maximum ContaminantLevel Goals (MCLGs) for several organic and inorganic compounds in drinking water.MCLGs are non-enforceable guidelines that do not consider the technical feasibility ofcontaminant removal. Secondary MCLs (40 CFR Part 143) are intended as guidelines toprotect the public welfare. Contaminants covered are those that may adversely affect theaesthetic quality of drinking water, such as taste, odor, color, and appearances, and maydeter public acceptance of drinking water provided by public water systems. The state ofPennsylvania has adopted secondary MCLs as enforceable MCLs under PA code, Title 25,Ch. 109.202 (2).
EPA Ambient Water Quality Criteria (AWQC) were developed for 64 pollutants in 1980,EPA revised nine criteria previously published in the "Red Book" (Quality Criteria forWater, 1976) and in the 1980 criteria documents. AWQC are not legally enforceable, buthave been used by many states to develop enforceable water quality standards. AWQC are
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available for the protection of 1) human health from exposure to contaminants in drinkingwater and from ingestion of aquatic biotic, and 2) for the protection of freshwater andsaltwater aquatic life. AWQC may be applicable for clean up of the surface waters in thearea, as well as groundwater discharges to surface water.
General Pre-Treatment Regulations are enforceable standards promulgated under 40 CFRPart 403 for discharge to a publicly owned treatment works (POTW). They could beconsidered relevant and appropriate if groundwater remediation results in discharge to apublicly owned wastewater treatment plant.
Pennsylvania Water Quality Standards (PA Code, Title 25, Chapter 93) set forth waterquality standards for waters of the Commonwealth. The standards are based upon wateruses that are to be protected and are considered by PADER in its regulation of dischargesto surface waters. These would be applicable to point or now-point discharges from the siteor recovered groundwater treatment discharges to the Rivers.
Pennsylvania Air Pollution Control Regulations (PA Code, Title 25, Chapter 121 through142) govern air emissions from remedial actions. The regulations provide for the controland prevention of air pollutants and guidance for the design and operations of air pollutantsources. Pennsylvania has adopted the NAAQS and air quality standards for five additionalconstituents. These standards may be applicable for remedial actions involving direct orindirect emissions to the atmosphere such as recovered groundwater treatment, excavationactivities, traffic/construction activities (dust) and volatilization gas venting.
PADER Groundwater Quality Protection Strategy. 1991 It is DER's goal to achievenondegredation of groundwater quality through the application of best demonstrated controltechnologies. The ultimate goal of groundwater remediation is to reduce contamination tobackground quality. Background water quality is measured by the protocol in 25 PA Code264.90-264.100. Treatment of contaminated groundwater and surface water to backgroundlevels applies for the North Penn Groundwater.
4.2 Location-Specific Requirements
Listed below and summarized in Table 4-2 are some potentially location specific ARARsand TBCs applicable to the North Penn Area 6 Source Control operable unit.
The Archaeological and Historical Preservation Act of 1974 (16 USC 469) establishesrequirements relating to potential loss or destruction of significant scientific, historical, orarchaeological data as a result of any proposed remedy. The Secretary of the Interior must
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TABLE 4-1
CHEMICAL-SPECIFIC ARARS
Water Quality Criteria for Toxic SubstancesSurface Water . . . ,Pennsylvania Water Quality Standards
Human Health Aquatic Life FreshwaterWater and Fish Ingestion (mg/1) MCLG*
Containment (mg/H Hardness Acute Chronic (mg/1)
Inorganic
Arsenic 0.05 — ; 0.360(As3+) 0.190(As3+)Barium 2* — -- — 2Lead 0.05 . 50 .034 .001
200 .200 .008Selenium 0.01 — 0.020 0.005 0.05Silver 0.05 50 ! 0.0012 0.0002 0.1
200 , 0.013 0.0002 0.1
Organic
1,1,1-Trichloroethane 1 — 3.025 0.605 0.21,1,2-Trichloroethane 0.0006 . — 3.390 0.678 0.0031,1-Dichloroethane1,2-Dichloroethane 0.0004 . — ': 15.440 "3.088 01,1-Dichloroethene 0.00006 — l 7.460 1.492 0.007cis-l,2-Dichloroethene 0.07* — — . : — 0.07trans-l,2-Dichloroethene 0.350 — 6.750 1.350 0.1AcetoneCarbon Tetrachloride 0.0003 — . 2.780 0.556 0Chloroform 0.0002 — 1.945 0.389 .TrichlorofluoromethaneMethylene chloride 0.005 — 11.840 2.368 0Tetrachloroethene 0.0007 • — 0.695 0.139 0Trichloroethene 0.003 — ; .2.250 0.450 0Vinyl Chloride 0.00002 — — — . 0
* From National Primary Drinking Water Regulations, Glen Adams, EPA.
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be notified if a federal agency finds that its activities, in connection with any federalconstruction project, might cause loss or destruction of such data.
Pennsylvania Wild and Scenic Rivers Act (PL 283, 1972) was enacted to preserve theaesthetic and recreational quality of rivers. The regulations (PA Cose Title 25, Chapter 11)provide classifications for recommend rivers. Any encroachment on the stream section orany activities that may influence the water quality of the stream must be reported to thegoverning agency.
Pennsylvania Historic Preservation Act (PL 1160,1978) was enacted to protect and preservePennsylvania's historic and archaeological features.
Federal Protection of Wetlands Executive Order (O.E. 11990) provides for considerationof wetlands during remedial actions.
The Endangered Species Act of 1978 (16 USC 1531) (40 CFR Part 502) provides forconsideration of the impacts on endangered and threatened species and their criticalhabitats.
Pennsylvania Rare and Endangered Species Regulations provide for consideration ofimpacts on rare and endangered species.
4.3 Action-Specific Requirements
Listed below and summarized in Table 4-3 are some action specific ARARs as they mightapply to the FS detailed analysis of alternatives at the North Penn Area 6 Source Controloperable unit.
Resource Conservation and Recovery Act (RCRA)RCRA Subtitle C regulates the treatment, storage, and disposal of hazardous waste. Ingeneral, RCRA Subtitle C requirements for the treatment, storage, or disposal of hazardouswaste will be applicable if a combination of the following conditions are met:
• The waste is a listed or characteristic waste under RCRA.
The waste was treated, stored, or disposed (as defined in 40 CFR 260.10)after the effective date of the RCRA requirements under consideration.
The activity at the CERCLA site constitutes treatment, storage, or disposalas defined by RCRA.
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TABLE 4-2
LOCATION-SPECIFIC ARARS
Source Requirement
40 C.F.R. 6, Appendix A and Any federal Action within a floodplainExecutive Orders 11988 and 11990 must include steps to avoid adverse
effects, minimize potential harm, andrestore and preserve natural andbeneficial uses.
Archeological and Historic Preservation Any artifacts discovered duringAct, 16 USC 469a-l. construction must be preserved and the
Department of Interior must be contacted.
National Historic Preservation Act Survey site for scientific, archeological, orChapters 106 and 110(F), and 36 C.F.R. historic significance during RemedialPart 300. Design. Must verify site is not eligible for
National Register of Historic Places.
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Occupational Health and Safety Act (OSHA) regulations (29 CRF Parts 1904, 1910, and1926) provide occupational safety and health requirements applicable to workers engagedin onsite field activities. The regulations are applicable to onsite work performed duringimplementation of a remedial action. They are applicable to nearly all remedial actionoptions.
EPA Groundwater Protection Strategy provides non-enforceable policy to protectgroundwater for its highest present or potential beneficial use. This policy is referenced inthe revised National Contingency Plan (NCP) (50 FR 47974, revised on November 20,1985).Revised Section 300.68(e) (2) addressing scoping of response actions during remedialinvestigations includes an assessment of "(v) current and potential groundwater use (e.g., theappropriate groundwater classes under the system established in the EPA GroundwaterProtection Strategy") This strategy designates three categories of groundwater:
i
Class I: Special Groundwater - waters of usually high value. They are highlyvulnerable to contamination and are (1) irreplaceable sources of drinkingwater and/or (2) ecologically vital.
Class II: Current and Potential Sources of Drinking Water and Water HavingOther Beneficial Uses - All non-Class I groundwater currently used, orpotentially available, for drinking water and other beneficial use is includedin Class II, whether or not it is particularly vulnerable to contamination. Thisclass is divided into two subclasses; current sources of drinking water(Subclass IIA), and potential sources of drinking water (Subclass IIB).
Class III: Groundwater not a Potential Source of Drinking Water and ofLimited Beneficial Use - Groundwaters that are saline, or otherwisecontaminated beyond levels which would allow use for drinking or otherbeneficial purposes, are in this class. This class is divided into two subclasses;groundwater units which are highly to intermediately interconnected toadjacent groundwater units of a higher class and/or surface waters (SubclassIIIA) and groundwater characterized by a low degree of interconnection toadjacent surface waters or other groundwater units of higher class (SubclassIIIB).
The groundwater, all in the bedrock, in the North Penn Area 6 site is a Class IIA aquifer.The Groundwater Protection Strategy to use treatment standards based on MCLs, MCLGsor Pennsylvania Background Policy will be considered as part of the decision on whethergroundwater recovery and treatment is needed.
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Pennsylvania Hazardous Waste Regulations (PA Code, Title 25, Chapter 75, Subchapter D)govern the generation, transportation, storage, and disposal of hazardous waste. Theregulations also include permit requirement and standards for hazardous wastes. Theseregulations should be considered relevant and appropriate for alternatives involving the useof offsite disposal facilities and waste generation and transport.
The Pennsylvania Stormwater Management Act (Act No. 167) required measures to controlstormwater runoff during remedial alternatives or development of land. Stormwatermanagement systems must be constructed in a manner consistent with the county watershedmanagement plan. The requirements of this act may be applicable to remedial actions thatinclude disturbance of the land (e.g., grading, excavation, etc.)
Pennsylvania Erosion Control Regulations (PA Code, Title 25, Chapter 102) govern erosionand sedimentation control resulting from remedial actions that may involve earth-movingactivities. The purpose of the regulations is to control accelerated erosion and the resultingsedimentation in surface waters and thus to prevent pollution of water from sediment andpolluting substances carried by sediment. They would be applicable to excavation, soilremoval, backfilling and stormwater management.
Pader Dam Safety and Waterways Management Regulations (PA Code, Title 25, Chapter105) govern the use and management of Pennsylvania's waterways and any enroachment ordisturbance to waters of the Commonwealth, which include streams, creeks, rivers, ponds,lakes, adn wetlands. These regulations may be applicable if remedial actions involvepermanent or temporary impacts to waters of the Commonwealth.
The Pennsylvania Clean Streams Law (PA Code, Title 25, Chapter 5) is a statute with theobjective to reclaim and restore polluted streams. The law provides for the protection ofstreams and water quality control. This statute may be applicable to remedial alternativesthat require the discharge of wastewater, and to the clean up of contaminated streams.
Pennsylvania Water Regulations - General Provisions (PA Code, Title 25, Chapter 91)establishes the regulatory procedures and framework to administer the PA Clean StreamsLaw.
Pennsylvania NPDES Rules (PA Code, Title 25, Chapter 92) govern point source dischargesto Pennsylvania waters. The rules include requirements for permits, permit applications,permit conditions, and monitoring. These rules may be applicable for remedial actionsinvolving a discharge to surface water (e.g., groundwater treatment).
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Pennsylvania Municipal Pretreatment Regulations (PA Code, Title 25, Chapter 94)establishes procedures and standards for the discharge of industrial-source wastewater topublicly-owned treatment works (POTWs). These regulations may be applicable to remedialalternatives which discharge wastewater to a POTW.
Delaware River Basin Commission establishes standards for discharges to surface water andwithdrawals from aquifers in the Basin. A permit application is required.
Pennsylvania Wastewater Treatment Regulations (PA Code, Title 25, Chapter 95) areregulations that are required to maintain water quality and include treatment requirements,effluent limitations based on best practical control technologies, and waste-load allocationsfor pollutants for which minimum treatment requirements have not been established. Theseregulations may be applicable for remedial actions that include a discharge to surface water(e.g, groundwater treatment).
Pennsylvania Industrial Waste Treatment Regulations (PA Code, Title 25, Chapter 97)provide requirements and standards for treatment of industrial waste discharges to surfacewater and groundwater. The regulations include general industrial waste treatment (effluentquality) standards and specific requirements for oil and natural gas wells, other wells,underground disposal, and heat pollution. These regulations include the PA Toxic Strategywhich is designed to protect streams to a cancer risk level of 1 x IO"5 assuming every mileof stream is a potable water supply. These regulations may be applicable for remedialactions involving discharges to surface water or groundwater (e.g., groundwater treatment).
DOT Rules for Hazardous Materials Transport (49 CRF Parts 107 and 171-173) regulatethe transport of hazardous materials including packaging, shipping equipment, andplacarding. These rules are considered applicable to hazardous and non-hazardous wastesshipped offsite for laboratory analysis, treatment, or disposal.
The Revised Procedures for Planning and Implementing Offsite Response Actions OSWERDirective 9834.11. This directive requires that the substantial requirements of RCRA applyto cleanup of CERCLA Facilities. The RCRA requirements apply regarding onsite releases,transportation, and offsite transfer of CERCLA wastes.
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TABLE 4-3
ACTION-SPECIFIC ARARs
Source Requirement
Shipment of hazardous wastes offsite. 25 Recordkeeping and manifesting of allPA Code, Chapter 262,263 and 264. DOT hazardous wastes shipped offsite. Parking,49 CFR 171-173.. labelling and placarding of shipping
containers. ' ' f ' '
Shipment of non-hazardous wastes DOT Marking, labelling and placarding of49 CFR, 171-173. shipping containers.
Tank and container regulations 25 PA. Special requirements pertaining to use andCode, Chapter 264, Subchapters I & J. management of containers storing
hazardous waste.
Withdrawal of water from aquifer or Design requirements for monitoring andLehigh River or Aquashicola creek metering of wells and/or discharge pipes.Delaware River Basin Commission(DRBC) Regulations.
Federal Pretreatment Regulations 40 CFR Water or non-hazardous liquid sludge403. shipped to a POTW must be in
conipliance with POTW Industrial WastePretreatment Program.
il ' • ' ' .
Discharge of water to Lehigh River or Treated groundwater effluent must meetAquashicola Creek, NPDES requirements design, discharge and monitoringPA Code, Chapter 93.1-93.9. requirements.
The Revised Procedures for Planning and The substantial requirements of RCRAImplementing Off-site Response Actions, apply to cleanup of CERCLA Facilities.OSWER Directive 9834.11 of November11,1987. ..
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5.0 REMEDIAL INVESTIGATION OBJECTIVESAND POTENTIAL REMEDIAL ALTERNATIVES
This section establish the remedial objectives that are protective to human health and incompliance with ARARs. The remedial alternatives that may be applicable to achieve theseobjectives will be discussed.
5.1 Remedial Investigation ObjectivesThe general objective of the proposed remedial investigation is to delineate the vertical andlateral extents of soil contamination and to identify any current sources of contamination.Data obtained from this investigation will enable a quantitative baseline risk assessment tobe performed, and a range of remedial alternatives to be evaluated and selected.
The objective of the risk assessment is to quantify, to the extent allowed by the data, therisks of contamination to human health and the environment. The quantified risks will beused as one criterion for selection of remedial alternatives.
5.2 Potential Remedial Alternatives
The objective of the remedial actions is to protect nearby present and future residents,workers, visitors, and terrestrial biota from ingestion and dermal absorption of soilcontaining concentrations of hazardous substances that exceed ARARs or that endangerhuman health or the environment. To achieve this objective, a range of remedial actionalternatives are discussed for the source control operable unit. As additional data becomesavailable from the remedial investigation, technologies and alternatives will be evaluated indetail.
5.2.1 Preliminary Interim Actions
Interim actions are intended to remediate contamination which imposes immediate threatto human health and the environment. These actions prevent further contaminantmigration, and Limit exposures that may occur before the final remedial action isimplemented.
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ACCESS RESTRICTIONS
If sampling results indicate that the soil contamination poses an immediate threat to humanhealth, but the contamination has been reasonably contained and no significant spread ofcontaminants is expected in the near future, access restrictions can be implemented quicklyby fencing off areas of contamination.
REMOVAL. CAPPING. AND CONTAINMENT
The areas of highly contaminated soils can be removed, capped or contained to preventfurther exposure to humans through volatilization and leaching to the groundwater.
If removal is selected, the contaminated material will be disposed and/or treated offsite.o •
5.2.2 Preliminary Remedial Actions
The "following options are applicable to soil remediation:
No actionAccess restrictionsCapExcavation, treatment, and disposalIn situ treatment
NO ACTION
The no-action alternative involves no additional activities by EPA. A fence would not beconstructed, and additional sampling would not be performed. This alternative serves as abaseline for evaluating other alternatives for soil.
ACCESS RESTRICTIONS
This alternative involves constructing fences around all areas of contaminated soil and debristhat are considered part of this site. The fences would be equipped with locks and wouldcontain signs warning the public of the possible hazards. The fences would restrict thepublic from direct contact with the contaminated soil. Information on contaminant levelsin soil is needed to evaluate this alternative.
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CAPS
This alternative includes capping areas of soil contamination, thus protecting against furthergroundwater contamination by limiting infiltration, and protecting against surface-watercontamination by limiting surface runoff. The cap would also Limit direct contact withcontaminated soil. The choice of materials used for the cap would depend on the primarydesign objective of the caps. If its purpose is to limit infiltration into the contaminated soil,a more expensive cap consisting of highly impermeable layers might be required. If itspurpose is simply to limit direct contact with the soil and control the runoff of contaminants,a less expensive cap can be installed. Soil-contaminant levels and geotechnical informationare needed to evaluate the appropriateness of caps and their design and construction.
EXCAVATION. TREATMENT. AND DISPOSAL
This alternative would involve excavation, possible treatment, and disposal of contaminatedsoil and would protect against further contamination of the groundwater and the surfacewater and against direct contact. Excavation can be accomplished using traditionalconstruction equipment (e.g., backhoes). Several viable alternatives are available fortreatment and disposal.
Contaminated excavated soil can be treated on the site or off the site. Onsite treatmentoptions include aeration, incineration, and fixation and stabilization. Aeration would involvespreading the contaminated soil on a lined surface and mechanically aerating it (e.g., bytilling), thereby increasing the rate of volatilization of VOCs. This process is repeated untilsoil sampling indicates that cleanup levels have been reached. Incineration could beperformed on the site or off the site, depending on the volume of contaminated soil to beincinerated. Fixation and stabilization for metal contamination would involve adding lime,cement, or other additives to the soil, probably in a batch process, on the site or off the site.
Excavated soil could also be disposed of on the site or off the site. Onsite disposal ispreferable because it is less expensive. All soil treated on the site would probably bedisposed of in the place from which it was removed. Soil incinerated off the site could bedisposed of in an offsite landfill or could be returned for disposal on the site.
Part of determining the level of treatment required before disposal includes identifying theRCRA land disposal restrictions (LDRs) that apply to the contaminant in the soil. Althoughsoil is not considered a RCRA hazardous waste, if the soil contains a RCRA hazardouswaste, the contaminated soil must be treated as if it were a hazardous waste. Fordetermining the level of treatment required, the process(es) generating the contaminants
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must be identified and the appropriate RCRA identification number for the hazardous wastemust be determined. Depending on whether the waste is a "listed" or a "characteristic"hazardous waste, the treatment residue may require management as a hazardous waste:
• Listed RCRA hazardous wastes (or soil containing listed RCRA hazardouswastes) must be treated to reduce levels of contamination in accordance withthe LDRs; the treatment residue is then considered a hazardous waste eligiblefor land disposal at a hazardous waste landfill or at an onsite landfill thatconforms to the RCRA minimum technology requirements (double-lined withsystem for leachate collection and removal between liners).
i • • ' '• For RCRA characteristic wastes (corrosive, ignitable, reactive, above specified
TCLP concentrations of certain metals, etc.), if the hazardous characteristicis removed, the treatment residue is no longer a hazardous waste and may bedisposed of at an industrial-waste landfill or at a sanitary landfill, dependingon contaminant concentrations.
If contaminated soil is simply removed as part of other cleanup operations (such as removalof an underground storage tank), kept within the area of contamination, and replaced in theoriginal location, the LDRs do not apply. If at any time the soil is removed from the areaof contamination and then returned, the restrictions apply.
i -• • •In addition to information on the process that generated the hazardous waste, informationneeded to select a treatment and disposal option includes the type and concentrations ofcontaminants in the soil, the volume of contaminated soil, the moisture content of the soil,and the soil type. In addition, information on the types and population densities of residentmicroorganisms suitable for biodegradation. of contaminants may be determined ifcontaminant concentrations are sufficiently high. Potential exposures due to dermal contact,entrainment of soil particles in air, and release of volatiles during remediation would beevaluated, and necessary actions would be taken. •
IN SITU TREATMENT
Treating the soil in place may be possible through the use of soil-vapor extraction (SVE)or biodegradation. SVE consists of extracting air from the unsaturated zone by applying avacuum at air-extraction wells or trenches. The air flow causes the VOCs in the soil tovolatilize. Depending on the air concentrations, treatment may be necessary before the airis discharged to the atmosphere. In situ biodegradation consists of using either available orcommercial microorganisms to biodegrade contaminants in the soil. These alternatives
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would limit further contamination of the groundwater, protect against direct contact with thesoil, and protect against contamination of the surface water through runoff. Data on soilproperties, the depth and extent of contamination, and the presence of suitable micro-organisms would need to be collected during the RI. The extent of soil contamination (thatis, the volume of soil to be treated) is a major consideration in evaluating the suitability ofthese alternatives. Potential exposures through inhalation or dermal contact duringremediation would be considered, and necessary actions would be taken.
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6.0 DATA QUALITY OBJECTIVES
Data quality objectives (DQOs) are qualitative and quantitative statements that specify thequality of the data required to support decisions during remedial investigation activities.Through the development of DQOs, a definition of the data quality requirements andmethods to be used in the RI is established. With these specified quality requirements, thedata generated during the RI can be used to support the evaluation of remedial actionalternatives in the feasibility study and, ultimately, the remediation decision.
i , - . . . •
DQO development results in a more thorough selection of sampling and analytical optionsthat specify appropriate confidence levels for data required for remedial decisions anddesigns. The DQO development is an integral part of the project planning process, and theresults will be incorporated into the Field Sampling Plan (FSP) and Quality AssuranceProject Plan (QAPjP). ' " . . . '
Data quality objectives are specified for each data collection activity that mostly take placeduring the RI. Additional data needs may be identified during the preparation of thefeasibility study, the remedial design documents, and remedial action process.
Data quality objectives are developed through the three stage process listed below:
• Stage 1 - Identify decision types.• Stage 2 - Identify data uses and needs.,• Stage 3 - Design data collection program.
These three stages of DQO development are undertaken in an interactive and iterativemanner and all elements of the DQO development will be continually reviewed and appliedduring data collection activities. Consequently, DQOs are revised and/or expanded, asneeded, based on the review of each data collection and analytical activity.
The data quality objectives .developed at this stage will be applicable to data collected forthe RI, risk assessment, and feasibility study. However, it is expected that additional dataneeds will emerge later as more data are collected and evaluated. The DQO process isapplied during initial project scoping and following each data collection activity, so thatdecisions regarding the need for additional data can be made and subsequent data collectionactivities can be designed.
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6.1 DQO Stage 1 - Identification of Decision Types
Stage 1 of the DQO development process is initiated during the RI/FS scoping process.This stage is also initiated whenever new data are evaluated or objectives/decisions mustbe redefined. During Stage 1, the following tasks are performed:
• Identification and involvement of data users.• Evaluation of existing data.• Development of conceptual site model.• Development of remedial investigation objectives.
6.1.1 Identification and Involvement of Data Users•j
The data users and decision makers involved in RI/FS activities include primary andsecondary data users. Primary data users are individuals involved in ongoing RI/FSactivities. Specifically, the primary data users are the EPA Remedial Project Manager(RPM), the ARCS Contractor site manager and staff, and the Investigation Contractor.(The Investigation Contractor is the ARCS Contractor in an EPA-lead investigation and isthe PRP's contractor in a PRP-lead investigation.)
Secondary data users rely on RI/FS outputs to support their programmatic activities.Secondary data users provide input to primary data users during the DQO developmentprocess through generic data needs and, on occasion, site-specific data needs. Secondarydata users include EPA and PADER technical staff, the PRP (in EPA-lead investigation),and the public.
6.1.2 Evaluation of Existing Data
Limited soil data is available for a detailed evaluation. The types of contaminants foundin the site groundwater are listed in Section 3. These contaminants, assumed to have majorsources from the soils, will be the focus of soil investigation.
6.1.3 Conceptual Site Model
The North Penn Area 6 conceptual site model, described in Section 3.0, summarizescontaminants of concern and their properties, sources and releases of contamination,pathways of contaminant migration, and receptors. This work plan focuses on soil as themedia of contamination, and the following contaminant-migration pathways may exist forcontaminants found in the soils:
• Leaching of contaminants to the groundwater.
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• Transport of contaminants in soil through surface runoff to surface water.
• Transport of airborne contaminants as volatilized chemicals or dust.i ' . ' . . . ' •
• Transport and accumulation of contaminants by biota.
For baseline risk assessment, soil is evaluated as the contaminant exposure points toreceptors. The contaminated soil could reach receptors through airborne or water bornepathways including ingestion, inhalation, and dermal contact. Receptors of concern includeresidents and workers, and environmental species in the influence area,
6.2 DQO Stage 2 - Identification of Data Uses and Needs? , - ' • - . . . .
Stage 2 of the DQO process involves identification of data uses and needs. Specifically, theelements of this stage include the following:
Identification of data uses. .Identification of data types.Identification of data quality and quantity needs.Identification of sampling and analysis options.Review of precision, accuracy, representativeness, completeness, andcomparability.
In practice, these elements are part of an integrated evaluation process with each elementbeing continuously refined. At the completion of each task, results are integrated into theconceptual description and data base for the entire site.
6.2.1 Data Uses
Data generated during the RI will be used for the following:
• Site characterization• Risk assessment• Development and evaluation of remedial action alternatives• Remedial action design.
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6.2.2 Data Types
Data to be collected during the RI may include but are not limited to items describedbelow:
Listed below each item are the procedures and analyses that will be used to obtain the data.
1. Physical and chemical characteristics of soils to determine the migration ofcontaminants and for use in developing remediation alternatives. The soilcharacteristics to be analyzed by a CLP laboratory include:
Moisture ContentSaturated hydraulic conductivityPorosityBulk densityParticle size distribution.Total organic carbonCation exchange capacity
2. Contaminants in the soil to be analyzed through a CLP laboratory include:
• TCL organics• TAL metals
3. Volatile organics to be analyzed in the offsite mobile laboratory include:
Carbon TetrachlorideChloroform1,1 -Dichloroethene1,2-Dichloroethene (total)1,2-DichloroethaneMethylene chlorideTetrachloroethane1,1,1-TrichloroethaneTrichloroetheneVinyl chloride
6.2.3 Data Quality Needs
Factors to be considered in defining data quality requirements include the following:
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• Appropriate analytical levels.• Levels of concern.• Detection limit requirements.• Critical samples.
Each of these factors is discussed in the following sections.
6.2.3. 1 Appropriate Analytical Levels. Appropriate analytical levels are determined byconsidering the prioritized data uses. Different analytical levels are appropriate for differentdata uses. The analytical levels are defined as follows:
Level I. Field screening or analysis using portable instruments. Results are often notcompound .specific and not quantitative but results are available in real-time. LevelI is the least costly of the analytical options. At least 10% of the organics sampleswill be sent to an offsite CLP approved lab for analytical confirmation.
Level II. Field analyses using more sophisticated portable analytical instruments; insome cases, the instruments may be set up in a mobile laboratory onsite. There isa wide range in the quality of data that can be generated. It depends on the use ofsuitable calibration standards, reference materials, and sample preparationequipment, and the training of the operator. Results are available in real-time orseveral hours. At least 10% of these samples will be sent to an offsite CLP approvedlab for confirmation.
Level III. All analyses performed in an offsite analytical laboratory. Level Elanalyses may or may not use Contract Laboratory Program (CLP) procedures, butdo not utilize the validation or documentation procedures required by CLP Level IVanalysis. The laboratory may or may not be a CLP laboratory.
Level IV. CLP routine analytical services (RAS) (or equivalent). All analyses areperformed in an offsite CLP (or equivalent) analytical laboratory following CLPprotocols. Level IV is characterized by rigorous quality assurance/quality control(QA/QC) protocols and documentation.
j !_ ' • •
Level V. Analysis by non-standard methods. All analyses are performed in an offsiteanalytical laboratory which may or may not be a CLP laboratory. Methoddevelopment or method modification may be required for specific constituents ordetection limits. CLP special analytical services (SAS) are Level V.
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6.2.3.2 Levels of Concern. The level of concern specifies a concentration value for eachchemical of concern above which some action may need to be taken. In general, levels ofconcern are site specific issues and relate to site characterization and assessment. TheARARs discussed in Section 4.0 are used to define remedial design criteria and legalrequirements. The levels of concern for chemicals in ground water will be governed by themaximum contaminant levels (MCLs) or background, whichever is lower. The MCLs forspecific contaminants of concern in water are provided in Table 4-1. The soil cleanup levelsdeveloped using preliminary risk assessment and contaminant partitioning propertiesbetween soil and water are listed in Tables 3-5 and 3-6. These values, many at severalUg/kg or less, reflect the detection limits required to adequately characterize the extent ofcontamination.
6.2.3.3 Detection Limit Requirements. The sampling and analysis methods used duringthe RI must be accurate at the level of concern. The accuracy of sampling methodsnormally is difficult to evaluate or control, particularly when considerable field handling andlow concentrations are involved.
The analytical techniques chosen should have detection limits below the level of concern.Detection limits for all the analytical methods to be used during the RI are addressed inSection 7.0 of the QAPjP.
6.2.3.4 Critical Samples. Critical samples are those for which valid data must beobtained to satisfy the objectives of the sampling and analytical task. The critical samplesfor North Penn Area 6 are samples collected from background locations, samples that willbe used for the risk assessment, and samples that are critical to the delineation of the extentof contamination.
6.2.4 Data Quantity Needs
The number of samples to be taken depends on the uses of the data, the characteristics ofthe media under investigation, and the assumptions used to select sample locations.
6.2.5 Sampling/Analysis Options
Sampling and analysis options available for investigation of contamination at the North PennArea 6 Site were identified by the results of previous investigations (Section 2.0), and thenature of the principal contaminants of concern (Section 3.0). Alternate analytical methods,if necessary, will be used for risk assessment data to provide lower detection limits.
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6.2.6 Review of Precision, Accuracy, Representativeness,Completeness, and Comparability
. . , . •Precision, accuracy, representativeness, completeness, and comparability are indicators ofdata quality. A summary of each of these parameters is presented below. A more detaileddiscussion is provided in the QAPjP.
Precision is a measure of the reproducibility of the measurements made under a set ofconditions. Specifically, it is a quantitative measure of the variability of a group ofmeasurements compared to their average value. Standard deviation, coefficient of variation,range, and relative range are terms used to express precision.
i • . 'Accuracy measures the bias of a measurement system. Sources of error introduced into themeasurement system will be accounted for by using field/trip blanks and matrix spikes.Sources of error include the sampling process, field contamination, preservation, handling,sample matrix, sample preparation, and analytical techniques.
ii
.Representativeness expresses the degree to which sample data accurately and preciselyrepresent a characteristic of a population, parameter variations at a sampling point, or anenvironmental condition. Representativeness is addressed by explaining sampling techniquesand the rationale used to select sampling locations. Regardless of whether samplinglocations are selected based on existing data (biased) or are selected completely at random(unbiased), the rationale used in selecting these locations must be explicitly explained. Thisrationale is described in detail in the FSP.
Completeness defines the percentage of measurements made which are judged to be validmeasurements. The goal for essentially all data uses is that sufficient amounts of valid databe generated. On a nationwide basis, CLP data using levels III, IV, and V analyticaltechniques are estimated to be 80 percent complete. Onsite measurement techniques canalso provide a high degree of completeness, since invalid measurements can normally berepeated relatively quickly and easily.
Comparability is a parameter used to express the confidence with which one set of data maybe compared with another. To achieve comparability in data sets, it is important thatstandard techniques are used to collect and analyze representative samples and to reportanalytical results in standard units.
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6.3 DQO Stage 3 - Design of Data Collection Program
The intent of Stage 3 is the compilation of information and DQOs developed for specifictasks into a comprehensive program for data collection. A detailed list of data to becollected should include phase, media, sampling type, number of samples, sample location,analytical methods, and QA/QC samples. Detailed descriptions of sampling and analysisrationale and sampling methods are included in the FSP. Analytical methods and QA/QCprocedures are described in the QAPjP.
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7.0 PROJECT MANAGEMENT STRUCTURE
BVWST is submitting the following project management structure to EPA for review andacceptance. The management structure provides for direct and constant operationalresponsibility, clear lines of authority, and the integration of QA and management activities,as explained below. ._
7.1 Project Manager
The Project Manager (PM) will be responsible for overall project direction, coordination,and technical consistency. The Project Manager's responsibilities will include the following:
1. Preparing and reviewing work plans, project dehverables, and schedules foreach task.
2. Guiding the resolution of any problems that may arise on each task.
3. Providing oversight of analytical data validation, reduction, and reporting.
4. Being the contact person to EPA, with the authority to make decisions on allaspects of the investigative activities.
5. Having the primary responsibility for meeting all data, reports, and otherdeliverables QA objectives associated with work assignments involvingperformance and/or environmental measurements.
7.2 Field Team Leaderi •• - •
The Field Team Leader (FTL) will be responsible for the overall management of projectoperations including:
1. Providing that corrective action, as detailed either in the QAPjP or asprescribed by the PM, is undertaken when quality assessment results indicatethe need for such actions.
2. Preparing progress reports with the assistance of support personnel.
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3. Verifying the accuracy of field notebooks, driller's logs, chain-of-custodyrecords, sample labels, and all other field related documentation.
4. Overseeing field personnel and subcontractor personnel.
7.3 Project Engineer
The Project Engineer (PE) will be responsible for the daily technical direction of assignedduties and will report directly to the Project Manager. The Project Engineer's primary taskswill include the following:
1. Coordinating project team activities.
2. Providing technical direction.
3. Maintaining the project schedule.
4. Reviewing work products and incorporating revisions prior to quality controlreviews.
7.4 Review Team Leader
The Review Team Leader (RTL) will be responsible for leading the overall quality controleffort. The RTL will be consulted during all phases of the project and will coordinate theactivities of the review team.
Specifically, the duty of the RTL is to review each deliverable prepared under each workassignment for the quality of the data referenced in the document and the validity of theconclusions derived.
7.5 Data/Sample Coordinator
The Data/Sample Coordinator will be responsible for all data processing quality control,final analytical data review, and internal audits. The Data/Sample Coordinator will serveas the project liaison with the laboratories.
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7.6 Health and Safety Manager
The Health and Safety Manager (HSM) will be responsible for establishing, implementing,and administrating an effective health and safety program that is consistent with theapproved Site Safety plan.
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8.0 REFERENCES
American Resource Consultants, Inc., 1988. Letter Report to Jean Vandegrift, BusinessCenter of Lansdale, 650 N. Cannon Avenue, Lansdale, PA 19446.
American Resource Consultants, Inc., 1989a. Letter Report to Peter H. Lowenthal, PeterH. Lowenthal, Inc. P.O. Box 1308, North Wales, PA 19454, March 6, 1989.
American Resource Consultants, Inc., 1989b. Letter Report to Robert Bauer, PADepartment of Environmental Resources, Bureau of Water Quality Management, 1875 NewHope Street, Norristown, PA 19401, May 23, 1989.
Bionetics, 1989. Site Analysis: Keystone Hydraulics/]. W. Rex, Lansdale, Pennsylvania. TheBionetics Corporation, April 1989.
CH2M HILL. 1988. Sampling and Analysis Plan, North Penn RI/FS Phase I. December1988.
CH2M HILL. 1989a. Region III ARCS Management Plan. February 1989.
CH2M HILL. 1989b. North Penn site visits. May 1989.
CH2M HILL. 1990. North Penn site visits. November 1990.
CH2M HILL. 1991. North Penn Area 6 Phase II RI/FS and FS Work Plan. June 1991.
EPA. 1986. Guidelines for Estimating Exposures. 51 Federal Register 314042. September24, 1986.
EPA. 1987a. Data Quality Objectives for Remedial Response Activities. OSWER Directive9335.0-7B. March 1987.
EPA. 1987b. Health Advisories for 25 Organics. March 1987.
EPA. 1987c. Compendium of Superfund Field Operations Methods. OSWER Directive9335.0-14. September 1987.
EPA. 1988a. Guidance for Conducting Remedial Investigations and Feasibility Studies underCERCLA. OSWER Directive 9355.3-01. October 1988.
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EPA. 1988b. User's Guide to the Contract Laboratory Program. December 1988.
EPA. 1988c. Laboratory Data Validation Functional Guidelines.
EPA. 1988d. Region III Modifications to the Organic Functional Guidelines.
EPA. 1988e. National Contingency Plan.
EPA. 1989a. Exposure Factors Handbook. EPA/600/8-89/043. May 1989.
EPA. 1989b. QAPjP Workshop Participant Handbook.
EPA. 1989c. Risk Assessment Guidance for Superfund. Volume 1. Human HealthEvaluation (Part A). Interim Final. December 1989.
EPA. 1989d. Integrated Risk Information System. December 15, 1989.
EPA. 1990. Memorandum from H.R. Steinmetz to P. McManus on "Further Review ofPRP Search of North Penn Zone of Contamination 6." August 22, 1990.
Geraghty and Miller. 1988. Review of Hydrogeological, Geochemical, and HistoricalInformation Related to the Occurrence of Ground-Water Contamination, Keystone HydraulicsSite, Lansdale, Pennsylvania. Prepared for American Olean Site, by Geraghty and Miller,Inc., Groundwater Consultants, February 1988.
Guernsey. 1986. Crystal, Inc., Lansdale, Pennsylvania: Site Survey Report. Prepared forCrystal Soap and Chemical Company, Inc., by Guernsey Engineers.
Longwill, Stanley M., and Charles R. Wood. 1965. Ground. Water Resources of theBrunswick Formation in Montgomery and Berks County, Pennsylvania. Pennsylvania Geol.Survey, 4th Series, Bull. W-22, 59 p.
Martin, L.M., 1981. Source Identification of TCE and Other Chlorinated Organic GroundwaterPollutants in the Upper Wissahickon Watershed-Phase II. November 1981.
McKinney. 1988. TCE Contamination Investigation, Lehigh Valley Dairies. Prepared.forLehigh Valley Dairies, Inc., by Robert H. McKinney, Jr., Associates, Inc., August 1988.
Musheno, Michael. 1980. Lansdale Groundwater Contamination Investigation. Letter toU.S. EPA files. 1980.
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NEIC. 1978. Policies and Procedures for Sample Control. National EnforcementInvestigation Center.
Newport, Thomas G. 1971. Ground-Water Resources of Montgomery County, Pennsylvania.Pennsylvania Geol. Survey, 4th Series, Bull. W-29, 83 p.
NPWA. 1985. Quality Assurance Program for Analysis of Trihalomethanes and OtherVolatile Organic Chemicals. North Penn Water Authority. August 20, 1985.
NUS. 1986a. Site Discovery of Groundwater Contamination in the North Penn Area. NUSCorporation. July 7, 1986.
NUS. 1986b. A Hazard Ranking System for Keystone Hydraulics. NUS Corporation.October 10, 1986
PADER. 1991. Site visits by PADER,personnel.
Rima, D.H. 1955. Groundwater Resources of the Lansdale Area, Pennsylvania. PennsylvaniaGeol. Survey, 4th Series, Prog. Report 146, 16 p.
Schwarzenback R.P. and Westall J. (1981) Transport of Nonpolar Organic Compounds fromSurface Water to Groundwaten Laboratory sorption studies. Environmental Science andTechnology, 15, 1360-1367.
SCS. 1986. Condensed Soil Survey, Montgomery County, Pennsylvania. U.S. SoilConservation Survey. June 1986.
SMC Martin. 1983. A Hydrogeologic Evaluation of North Penn Water Authority Well No. 61.Prepared for North Penn Water Authority by SMC Martin, Inc. December 1983.
Sutton, P.G. 1983. Straddle Packer Pumping Tests of Wells A Completed in Triassic Rock inLansdale, Pennsylvania. Univ. of New Hampshire Directed Research Report.December 1983.
Techlaw. 1987. Final Facility Report, North Penn Area Keystone Hydraulics Site. Techlaw,Inc. October 29, 1987.
EPA. 1980. Interim Guidelines and Specifications for Preparing Quality Assurance ProjectPlans.
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USGS. 1989. Water-level measurements made in selected wells in the North Perm Areaby the U.S. Geological Survey.
Versar. 1988. Technical Evaluation of Zone of Contamination 6 (Keystone Hydraulics Site),Montgomery County, Pennsylvania. Versar, Inc. October 7, 1988.
'NP2/SECT808/04/93 8-4 * "•ok mi v««ton Company
A-.R3003lff
FIELD SAMPLING PLAN
For:
North Penn Area 6 SiteSource Control Operable Unit
Lansdale, Montgomery County, Pennsylvania
Work Assignment No. 91-19-3LW9
August 6, 1993
Prepared By:*
B&V Waste Science and Technology Corp.
Prepared For:
U.S. Environmental Protection AgencyRegion III
Philadephia, PA
AR3003I9
CONTENTS
1.0 INTRODUCTION .......................................... 1-11.1 Objectives of Field Sampling Plan .......................... 1-11.2 Overview of Field Sampling Plan ........................... 1-1
2.0 SOIL AND SOIL GAS SAMPLING PLAN ....................... 2-12.1 Objectives and Rationale .................................. 2-1
2.1.1 General Approach ................................ 2-12.1.2 Mobile Laboratory Analyses ......................... 2-32.1.3 CLP Laboratory Analyses ........................... 2-3
2.2 Soil Gas and Soil Sampling Techniques ...................... 2-42.2.1 Soil Gas Sampling ................................. 2-42.2.2 Soil Sampling .................................... 2-4
2.3 Sampling Locations ..................................... 2-42.3.1 Keystone Hydraulics ............................... 2-62.3.2 REP Industries ................................... 2-82.3.3 Lehigh Valley Dairies ............................. 2-102.3.4 Andale ........................................ 2-122.3.5 Crystal Soap ...................................... 2-142.3.6 Eaton Laboratories ................................ 2-162.3.7 John Evans' ..................................... 2-182.3.8 Philadelphia Toboggan ............................. 2-202.3.9 Dip 'N Strip ..................................... 2-222.3.10 United Knitting Mills (NP Industrial) .................. 2-242.3.11 Tri-Kris ......................... r. ............ 2-262.3.12 Lansdale Realty ................................. 2-282.3.13 Decision Data ................................... 2-302.3.14 Rybond Industrial Park ............................ 2-322.3.15 Royal Cleaner ................................... 2-342.3.16 Westside Industries ............................... 2-362.3.17 Landacq Management Co. ......................... 2-382.3.18 Mattero Brothers ................................ 2-402.3.19 Electra ........................................ 2-42
3.0 FIELD DOCUMENTATION .................................. 3-1
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4.0 SITE MANAGEMENT ...................................... 4-14.1 Equipment Calibration, Operation, and Maintenance ........... 4-14.2 Sampling Equipment Decontamination Procedures .............. 4-14.3 Containerization and Analysis of Investigation-Derived Wastes .... 4-2
4.3.1 Soil Borehole Cuttings ............................. 4-34.3.2 Decontamination Fluids and Disposal of Protective Clothing and
Supplies ............ . . ...................... 4-34.4 Site Control ........................................... 4-3
5.0 REFERENCES ............................................ 5-1
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LIST OF FIGURES
Number Figure
2-1 Keystone Hydraulics2-2 REP Industries2-3 Lehigh Valley Dairies2-4 Andale2-5 Crystal Soap2-6 Eaton Laboratories2-7 John Evans'2-8 Philadelphia Toboggan2-9 Dip-n-Strip2-10 United Knitting Mills2-11 Tri-Kris2-12 Lansdale Realty2-13 Decision Data2-14 Rybond Industrial Park2-15 Royal Cleaner2-16 Westside Industries2-17 Landacq Management Co.2-18 Mattero Brothers2-19 Electra
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&R300322
1.0 INTRODUCTION
This field sampling plan outlines the field sampling protocols for collection of samples duringthe Remedial Investigation (RI) of the North Penn Area 6 Site, Source Control OperableUnit. This plan will be implemented in conjunction with the protocols set forth in theQuality Assurance Project Plan (QAPjP) and Site Safety Plan (SSP) for this site. See theWork Plan for a detailed description of the site and its history. .
1.1 Objectives of Field Sampling Plan
The Field Sampling Plan (FSP) ensures that field surveys, tests, and sampling are carried outin a technically acceptable manner. In addition, all samples collected from this site must beable to withstand judicial scrutiny. It is the responsibility of the Quality Assurance Manager(QAM) and Site Manager (SM) to verify that all samples taken on this site comply withmethods outlined in this FSP and the QAPjP.
\
1.2 Overview of Field Sampling Plan-•'
Sampling will be performed to determine the extent of soil contamination at the North PennArea 6 Site. The sampling events may overlap, but will take place in approximately thefollowing order:
1. Location selection for soil sampling.2. Soil boring drilling and sampling.3. Mobile laboratory analyses.4. Survey of areas that are shown to pose significant concerns.
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&R3Q0323
2.0 SOIL AND SOIL GAS SAMPLING PLAN
2.1 Objectives and Rationale
This Field Sampling Plan provides detailed information regarding the selection ofsampling locations, sample types, the number of samples, and sampling techniques forthe Source Control Operable Unit Remedial Investigation.
2.1.1 General Approach
The field investigation at each property will be carried out in three phases. In theinitial phase, sample locations are spaced at larger distances throughout the suspectedareas of contamination, and a general picture of extent of contamination is constructed.In the second phase, additional sampling focuses on the ireas where elevatedcontaminant levels were found. The lateral extent of contamination will be delineated.A first approximation of the vertical extent of contamination will also be provided bytwo-depth sampling in about 20% of the locations. Multiple-depth sampling will becarried out in the third phase to delineate the vertical extent of contamination indetail. The degree of detail of delineation will depend on an overall evaluation ofcleanup levels and levels of contaminants found in each property.
v
In large properties involving a large number of samples, a soil gas survey will precedethe first phase to obtain a general sense of contaminant distribution. In areas whereanomalous soil gas readings are found, soil sampling locations and depths will beplanned to verify the soil gas results. The first and second phases of soil sampling willbe scaled accordingly to fully utilize the soil gas results.
Because the primary contaminants of concern previously identified are volatile organiccompounds (VOCs), field screening for those specific contaminants will be performedas rapidly as possible in each property. Other contaminants, such as target analyte list(TAL) metals and a full set of target compound list (TCL) organics will be analyzed inan offsite CLP laboratory. These CLP samples will be collected in selected locations,and the results from these CLP laboratory analyses will be used to verify the mobilelaboratory results.
Initially, 10 per cent of the soil samples collected for organic analysis will be split andsent to a CLP laboratory. If the CLP laboratory results and the mobile laboratoryresults do not agree significantly, the causes for the discrepancy will be evaluated. Theratio of the mobile laboratory samples to CLP laboratory samples will be adjusted toreflect the reliability of each analytical technique. Because it is critical to know thereliability of each technique, all samples collected during the first day of fieldinvestigation will be split and sent to a CLP laboratory. The Keystone Hydraulics
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u • r
property will be investigated first, if possible, because more is known about its degreeof contamination. The rest will roughly fall in the order shown below:
Rybond, Inc.Dip-n-StripEaton LabPhiladelphia TobogganJohn Evans ;United KnittingWestside IndustriesLandacq ManagementCrystal SoapMattero BrothersElectra ProductsREPTri-Kris Co., Inc.Royal CleanerLansdale RealtyDecision DataTate Andale CompanyLehigh Valley Dairies
Soil samples collected from each property will be analyzed in a mobile laboratory forvolatile organic compounds. Soil gas samples will be collected and sent to a differentoffsite laboratory. The unvalidated analytical results are expected to be availablewithin 24 hours of collection, enabling decisions to be made quickly regarding the scaleand direction of any further investigations.
In general, the three phases should be completed before moving on to the nextproperty. For properties where only small areas are available for sampling, two depthssampling will be performed from the beginning, and decisions regarding furtherinvestigation may have to be made after investigation in a new but close-by propertyhas begun. For large properties where the number of samples collected per daytypically exceed 20, decisions regarding additional sample locations, depths, andanalyses can be made within 24 hours of the original sample collection during whichinvestigations will continue in the same property to complete sampling at remaininglocations.
Ten locations sufficiently far from contaminated properties to serve as background willbe sampled for mobile laboratory analysis of volatile organics, and CLP laboratoryanalysis of a full set of TCL organics and TAL metals. These background values,combined with baseline risk assessment and some unsaturated zone transport modeling,can be used to derive cleanup levels for any contaminants found in each property. At
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each property, surficial characteristics such as slope and vegetative cover will berecorded to provide information needed for modeling.
2.1.2 Mobile Laboratory Analyses
The type of analysis and the number of compounds analyzed in the mobile laboratoryare dictated by available laboratory analytical techniques, type of contaminantssuspected to occur in soils, and added costs associated with each compound to beanalyzed. The following compounds are selected to balance these factors.
Carbon tetrachlorideChloroform1,1-Dichloroethene1,2-Dichloroethene (total)1,2-DichloroethaneMethylene chlorideTetrachloroethene1,1,1 -TrichloroethaneTrichloroetheneVinyl chloride
These compounds have been found to be among the major contaminants in thegroundwater of Lansdale. These volatiles can be analyzed within hours of collection.Based on information provided by vendors, the number of samples analyzed in themobile laboratory for these compounds will proceed at approximately the same rate asthe samples are collected (i.e. 20 samples/day).
Both soil and soil gas samples will be analyzed for these compounds. Soil samples willbe analyzed in a mobile laboratory set up at a nearby location where samples will bedelivered twice a day. The soil gas samples will be sent daily to an offsite laboratoryand results will be made available the next morning.
Soil sample analysis results in soil are directly associated with the locations andpositions where the samples are collected. Analysis of soil gas samples may detect soilcontaminants coming from areas and depths removed from the points where thesamples are taken. Results from soil gas analysis will be interpreted with care becausethey may be affected by factors such as permeability of soils, moisture content, depth tothe water table, and levels of contaminants present in soils and groundwater.
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2.1.3 CLP Laboratory Analyses
At background locations and in properties where metal contamination is suspected, soilsamples will be collected for TAL metal analysis in CLP laboratory. At all backgroundlocations and selected 10% of all sample locations, soil samples will be sent to a CLPlaboratory for a full set of TCL organics. When all soil investigation is nearcompletion, 6 (3 locations, 2 depths) undisturbed samples will also be collected fromeach property where contamination is significant. These undisturbed samples will beused to measure the following parameters:
Moisture contentSaturated hydraulic conductivityPorosityBulk densityParticle size distributionTotal organic carbonCation exchange capacity
These parameters will be used for unsaturated zone transport modeling to determinethe cleanup levels of soil contaminants.
2.2 Soil Gas and Soil Sampling Techniques
Soil gas and soil sample collection will be accomplished using a "Geoprobe" or similarsystem. These systems drive 3-ft lengths of 1-inch or larger diameter steel rod todepths using the static weight of a supporting vehicle combined with an impacthammer.
2.2.1 Soil Gas Sampling
Soil gas samples will be collected using the active soil gas sampling system followed byprocedures developed by the manufacturer. For reference, the procedure developedfor the Post Run Inner Tubing System is attached in Appendix A (page 20 ofappendix). All soil gas samples will be collected at a depth of approximately 5 feet.
2.2.2 Soil Sampling
For soil samples collected for the mobile laboratory analysis and CLP laboratoryanalyses of TAL metals and TCL organics, a 1-inch or larger inner diameter stainlesssteel sample tube, attached to and led by a drive point, will be pushed down atsampling locations., Once the desired depth is reached, the drive point is unscrewedfrom the sampling tube, and the sampling tube is exposed to the soil to be sampled.The sampling tube will be driven downward 1 to 2 feet more in order to collect
NP-3/SECT208/06/93 2-4
AR3Q0327
samples. For undisturbed samples collected for hydraulic conductivity and otherphysical parameters, the Geoprobe or similar system hydraulic ram will push a 30 inchlength 1.5-inch diameter shelby tube to sample at desired depths. Soil sampling depthsrange from 2.5 to 10 feet. Sampling procedures can be found in the Manufacturer'soperation manual in Appendix A.
2.3 Sampling Locations
The selection of sampling locations for the second and third phases will be based onthe results from the first phase. The first phase sampling locations are set on a gridthat was determined based on available property information. As additional site-specific information becomes available during field investigation, the grid and/orlocations will be adjusted and/or modified. The locations of undisturbed samples forhydraulic conductivity measurements will be selected when the extent of contaminationin each property has been delineated. The background sample locations will beselected during the field investigation when a better understanding of the surroundingsite environs has been developed.
Before drilling at the proposed sampling locations for each property, the propertyowner or his representative will be consulted to determine if there are anyunderground storage tanks, discharge facilities, or other subsurface structures within theproperty. The sampling locations will be adjusted to reflect potential contaminantsources and to avoid damage to any subsurface structures. Storage tank contents,discharge location effluent, and onsite drum material that are potential contaminantsources will be tested as part of conducting the Source Testing subtask.
Before Source Testing is conducted, any additional field sampling, quality assurance,and health and safety procedures to handle the identified sources, will be developed ifnecessary.
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2.3. 1 Keystone Hydraulics
Former owners or/and operators of the property include J.W. Rex and Allied PaintCompany, (Section 2.1, Work Plan Addendum).
A soil-gas survey will only be conducted to the west of the existing building shown inFigure 2-1. Soils to the east of the building have already been found to containelevated levels of TCE during a previous investigation conducted by the North PennWater Authority. Twelve additional locations will be sampled to further delineate theextent of contamination. All locations will be sampled at four depths (2.5, 5, 7.5 and10 feet).
Thirty one locations west of the building will be sampled. Soil gas samples will beCollected at approximately 15 of these locations before soil samples are collected. Allsoil gas samples will be collected at a depth of 5 feet and all soil samples from twodepths, namely at 5 and 10 feet. The proposed soil sample locations and depths maybe adjusted based on the results of soil gas samples.
Samples from approximately one half of the locations will be sent to a CLP laboratoryfor TAL metals and TCL organics. The locations of CLP laboratory samples will beselected in the field.
The operators of the property may have stored and disposed of hazardous material incertain locations, and soil contamination would most likely exist at those locations.The actual locations may differ from those shown in Figure 2-1 because the propertyhas not been surveyed. s
Based on information summarized by CH2M HILL (1991), an underground storagetank exists at the southeast corner of the Keystone Hydraulics property. Samples willbe obtained of tank contents, if any, and will be submitted for analysis to the mobilelaboratory.
NP-3/SECT208/06/93 2-6
AR300329
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2.3.2 REP Industries
An estimated 25 locations will be sampled for soil analysis within those areas indicatedon Figure 2-2, focusing on the loading dock and areas where equipment, materials,and, potentially, wastes are, or have been, stored. Twenty of these locations will onlybe sampled at a depth of 5 feet, and 5 locations will be sampled at both 5 and 10 footdepths. Additional locations and depths will be: sampled for soil organics if deemednecessary after evaluating the soil sample results. Three samples will be sent to a CLPlaboratory for TCL organics analysis.
; ' . I . - . . . ' • . . , - . .The actual locations may differ from those shown in Figure 2-2 because the propertyhas not been surveyed.
NP-3/SECT208/06/93 2-8
AR3Q0331
REP INDUSTRIES, INC.
LOADINGDOCK
nUNDERGROUND \ \\ ^ ' LL ,_ _ r _U- f~~~ ISTORAGE TANK(RAIL PROPERTY)
APPROXIMATE ,AREA INWHICH SOIL -'BORINGS WILL IBE DRILLED I
LEGEND
UJUJ
. PROPOSED SOIL GAS SURVEYL J _ _iJ AND SOIL BORING AREA
Figure 2 — 2PROPOSED SOIL-GAS SURVEY ANDSOIL BORING LOCATIONSAT REP INDUSTRIES, INC.North Penn Area 6 SiteSource Control OU RI/FS————————————— RR300332
2.3.3 Lehigh Valley Dairies
The dairy is the current property owner and is a subsidiary of Johanna Farms.
Soil gas samples will be collected within those areas indicated on Figure 2-3. Anestimated 36'locations will be in the immediate vicinity of the main buildings becausethis area includes parking and maintenance areas .for service vehicles and therefore hasthe highest probability of soil contamination in comparison to other parts of thefacility. Four other locations, further south of the buildings, will also be sampled.Once the soil gas survey is completed, the data will be evaluated and soil samplelocation and depths will be determined. " •
The actual locations may differ from those shown in Figure 2-3, because the propertyhas not been surveyed.
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RR300333
APPROXIMATE AREA OFAPPARENT EXCAVATION
r=250'
"MONITORING> -WELL
PROPERTYLINE
LEGENDr r " T 1 PROPOSED SOIL GAS SURVEY•- ~> AND SOIL BORING AREAL j _ _u
• WELL r-. o-zFigure 2 — 5PROPOSED SOIL GAS SURVAND SOIL BORING LOCATIONAT LEHIGH VALLEY DAIRIESNorth Penn Area 6 SiteSource Control OU RI/FS
__ • n o n n Q Q Ij_________________________
2.3.4 Andale
Rogers Mechanical has owned the properly since 1985.
According to previous information summarized by CH2M HILL (1991), this facilitydiscarded spent solvents by pouring them on an ash pile at the rear of the property.The ash pile has subsequently been leveled, and its exact location is unknown. A soil-gas survey is planned at an estimated 30 locations at the rear of the property near thereported location of the pile (Figure 2-4). Soil will be sampled at two depths (5 and 10feet) in five locations within the areas identified in Figure 2-4 as Old Storage andFormer Scrap Metal and Coal Ash areas. The final locations of all soil gas sampleswill be determined once access to the property has been granted. All soil gas sampleswill be collected from a depth of 5 feet. Once the soil gas survey results becomeavailable, the need and focus for additional sampling will be determined.
The actual locations may differ from those shown in Figure 2-4 because the propertyhas not been surveyed.
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RR3Q0335
L..I......L.
OLD STORAGE AREA
COAL ASH, SCRAPMETAL PILE AREA
LEGEND \ HANCOCK STREET
n--i-i PROPOSED AREA ' Piniirp 9 — 4H -• FOR SOIL GAS SURVEY I i y U i C ^ TFOR SOIL GAS SURVEY ______________u - u AND so,L BOR.NGS PROPOSED SOIL GAS SURVEY AND
wn, SOIL BORING LOCATIONSWLLL AT ANDALE
North Penn Area 6 SiteSource Control OU RI/FS
———————————————————————————AR300336
2.3.5 Crystal Soap
An estimated 20 locations will be surveyed for soil gas over the undeveloped area westof the principal plant building, and another area near the loading dock east of the frontentrance (Figure 2-5). All soil gas samples will be collected from a depth of 5 feet.Emphasis will be placed on those areas, to be identified by plant personnel, where aprevious investigation was conducted. The locations and depths of soil samples, ifdeemed necessary after evaluating the soil gas results, will be adjusted to delineate thevertical and lateral extents of contamination.
The actual locations may differ from those shown in Figure 2-4 because the properlyhas not been surveyed.
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&R300337
MOYER ROAD
tLLJ
COCRYSTALSOAP
r
~1'=50'
APPROXIMATE AREAWHERE SAMPLES WILLBE TAKEN •I
ooooCOCDCDOOCC
Figure 2 — 5PROPOSED SOIL GAS SURVAND SOIL BORING LOCATIOAT'CRYSTAL SOAPNorth Penn Area 6 SiteSource Control OU RI/FS
2.3.6 Eaton Laboratories
The building covers most of, the property so there is not much area available forsampling on the; property. Four locations will. be sampled in the area behind thefacility building, and one location at the loading dock for soil analysis (Figure 2-6). Alllocations will be sampled at two depths (5 and 10 feet). Additional sampling locationswill be planned if deemed necessary after evaluating the first phase results.
The actual locations may differ from those shown in Figure 2-6 because the propertyhas not been surveyed.
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&R3QG339
\1" ~- 20'
/.DING DOCK-^T-
ANOTHER BUILDING
— ~ APPROXIMATE AREA IN/"^ / WHICH SOIL BORINGS
/ 1 WILL BE DRILLEDr iL 1 J
^--CONCRETE PAVED ALLEYBETWEEN BUILINGS
EATONLABORATORIES .
4WEST 5TH STREET
LJXO
COCDCDOOaz«x
Figure 2—6PROPOSED SOIL BORINGLOCATIONS AT EATON LABORATORIESNorth Penn Area 6 SiteSource Control OU RI/FS
2.3.7 John Evans'
John Evans purchased the property from Ametek and began operations in 1973.
Soil samples will be collected at this facility from-10 locations. Some locations will bein the vicinity of the TCE storage area and at the" rear of the property near the onsitewell (Figure 2-7). The latter area is selected because of the presence of VOCcontamination in an existing well. The area available for investigation at.this propertyis small, and soil sample locations are planned directly without using the guidance ofsoil gas results.; All locations will be sampled at two depths (5 and 10 feet). Ifequipment access to the TCE storage area is not available during sampling (the area iscurrently closed off by trailer trucks), shallow samples will be collected using a handauger. Two samples will be sent to a CLP Laboratory for TCL organics analyses and10 •samples for TAL metal analyses. Once the first phase results are available, theneed for additional investigation at the property will be evaluated.
The actual locations may differ from those shown in Figure 2-7 because the propertyhas not been surveyed. .
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fl"R3003U
l' = 50'
APPROXIMATE AREASWHERE SOIL BORINGSWILL BE DRILLED
TCESTORAGEAREA
REMOVED UNDERGROUNDSTORAGE TANK (OIL)LOCATION
Cxi
00CDCDCO
Figure 2 — 7PROPOSED SOIL BORINGLOCATIONS AT EVANS'North Penn Area 6 SiteSource Control \OU RI/FS
2.3.8 Philadelphia Toboggani
Skee-Ball is the current owner of the property. Skee-Ball bought it from PhiladelphiaToboggan in 1985. Prior to 1973, Newark Hairfelt Company operated at this property.
; • ; •••'•' •!:"'-'- • - • " • - -Five locations will be drilled for soil samples at this facility, all at the rear of theproperty and adjacent to the railroad tracks (Figure 2-8). All locations will be sampledat two depths (5 and 10 feet). One soil sample will be sent to a CLP laboratory foranalysis of TCJL organics. Additional locations and depths will be planned if deemednecessary after evaluating the first phase results. :
< • ^ . ! [ . • - , - _ -
The actual locations may differ from those shown in Figure 2-8 because the propertyhas not been surveyed. ;
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AR3003U3
STORM DRAIN
PHILADELPHIATOBOGGANAND SKEE BALL
PAINT ANDWASTESTORAGE
APPROXIMATE AREAWHERE SOIL. BORINGSWILL BE DRILLED
Figure 2-8PROPOSED SOIL BORING LOCATIONAT PHILADELPHIA TOBOGGAN ANDSKEE BALLNorth Penn Area 6 SiteSource Control OU RI/FS
4
2.3.9 Dip 'N Strip
Five locations will be sampled for soil analysis at this facility (Figure 2-9). Thelocation at the south of the building will be sampled for soil gas at a depth of 5 feet.This soil gas location is to detect any lateral transport of contaminants and soil vaporfrom the sump. Three locations on the two corners at the back of the building will besampled at two depths for soil analysis (5 and 10 feet). Additional sampling locationswill be .determined if deemed necessary after evaluating the first phase results.
: . i - •'.; i - .j . . . • • ,
The actual locations may differ from those shown in Figure 2-9 because the propertyhas not been surveyed.
NP-3/SECT208/05/93 2-22
DIP N' STRIP
APPROXIMATE AREAS < -_ _ | ——— METHYLENE CHLORIDEWHERE SOIL BORINGSWILL BE DRILLED
bUJCC
UJXo
APPROXIMATELOCATION OFOVERTURNED DRUM
Figure 2 — 9PROPOSED SOIL BORINGLOCATION AT DIP N' STRIPNorth Penn Area 6 SiteSource Control OU
2.3.10 United Knitting Mills (NP Industrial)
Soil samples will be collected at 8 locations within three areas of the property: (1)three around the former paint building at the southwest corner of the property; (2)four in the area behind the building; and (3) one in the front of the building,approximately where a rusted drum was located. The general locations of the boringsat both locations are shown in Figure 2-10. All samples will be collected from twodepths (5 and 10 feet). One sample collected from this property will be sent to a CLPlaboratory for TCL organics analysis. The results from the first phase will be evaluatedand the need for additional investigation at the property will be determined.
The actual locations may differ from those shown in Figure 2-10 because the propertyhas not been surveyed.
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AR3003U
_____________EIGHTH STREET
1IK"=50'
APPROXIMATEAREAS WHERESOIL BORINGSWILL* BE DRILLED
1
APPROXIMATELOCATION OFRUSTED DRUM
APPROXIMATELOCATION OF FORMERUNDERGROUNDSTORAGE TANK
UJr>zUJ
LUQ_
Figure 2-10PROPOSED SOIL BORINGLOCATIONS ATUNITED KNITTING MILLSNorth Penn Area 6 SiteSource Control OU RI/FS————————— AR3Q03'{+8
r\ A i i
2.3.77 Tri-Kris
Four locations will be sampled for soil analysis at this facility. One will be at thelocation of the former 10,000-gallon underground storage tank described by CH2MHILL (1991), and the second location will be near the building (Figure 2-11). Bothlocations will be sampled at two depths (5 and 10 feet). Additional sampling locationswill be planned if deemed necessary after evaluating the first phase results.
. i '
The actual locations may differ from those shown in Figure 2-11 because the propertyhas not .been surveyed.
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i*=50'
TRI-KRISILU
Z< LOADING DOCK
FORMER GAS TANKLOCATION
APPROXIMATE LOCATIONOF FORMER UNDERGROUNDWASTE-OIL STORAGE TANK
SOIL SAMPLE LOCATIONS
Figure 2-11PROPOSED SOIL. BORING1LOCATIONS AT TRI-KRISNorth Penn Area 6 SiteSource Control OU RI/FS ,—————-—An300350
2.3.72 Lansdale Realty
The first owner of the property was Lansdale Transportation, which operated anautomobile repair shop on the grounds. The property was then owned by LansdaleRealty and is now owned by Lansdale Warehouse.
An estimated 15 locations will be sampled at this property, of which 5 locations areplanned for a soil gas survey (Figure 2-12). The'soil sampling locations are in areaswhere the soils are most likely to have been contaminated by past and currentoperations. The 5 soil gas samples will be collected from selected areas to detect anymigration of contaminants from the buildings. Soil samples will be collected from twodepths (5 and 10 feet), and soil gas samples will'be collected from a depth of 5 feetonly. Two soil samples will be sent to a CLP laboratory for analysis of TCL organics.Additional sampling locations and depths will be planned if deemed necessary afterevaluating the soil sampling results. ; ,
* ? ' - ' • - - - -
The actual locations may differ from those shown in Figure 2-12 because the propertyhas not been surveyed.
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1"=100'
> APPROXIMATE AREA// WHERE SOIL BORINGS/ / WILL BE DRILLED
LANSDALEWAREHOUSE
LANSDALEAUTO BODY
UNDERGROUNDGASOLINESTORAGE TANKS
APPROXIMATE AREAWHERE SOIL BORINGSWILL BE DRILLED
Figure 2-12
LTJ£to
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CMLO00CDCDOOCC«cr
PROPOSED SOIL BORINGLOCATIONS AT LANSDALE REALT>North Penn Area 6 SiteSource Control OU RI/FS
2.3.73 Decision Data
The property is currently operated by Santerians.
Seven locations will be sampled and the samples sent to the mobile laboratory for soilanalysis (Figure 2-13). All soil samples will be collected from two depths (5 and 10feet). Additional sampling locations, if necessary, will be planned after reviewing theresults from these samples. Two samples will be sent to a CLP laboratory for analysisof TCL organics.. .
ii \
The .actual, locatipns may differ from those shown in Figure 2-13 because the propertyhas not been surveyed.
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APPROXIMATE AREAIN WHICH SOIL BORINGSWILL BE DRILLED
Figure 2—15PROPOSED SOIL BORINGLOCATIONS AT DECISION DATANorth Penn Area 6 SiteSorce Control OU RI/FS
AR3003514
2.3.74 Rybond Industrial Park-•* • .
Turbo Machine Co. was the previous owner of .this property. It presently housesseveral small industries.
: i " • " ' , ' ' ' ,
Ten locations within three separate areas will be sampled and the samples sent to themobile laboratory for soil analysis (Figure 2-14). According to CH2M HILL (1991),these areas were used as chemical receiving and drum storage. All soil samples will becollected from two depths (5 and 10 feet). The need for additional sample locationsand depths will be evaluated once the results from these borings become available.Two samples from this property will be sent to a CLP laboratory for analysis of TCLorganics. ; _ = . ' ' . . ' .
; / • - jj . „ • • ' .
The actual locations may differ from those shown in Figure 2-14 because the propertyhas not been surveyed.
NP-3/SECT2
08/05/93 . • . 2-32
&R3QQ355
FRANCONIA______AVENUE= 100'
CHEMICAL STORAGE/-RECEIVING AREA
FORMER DRUMSTORAGE AREA
APPROXIMATE AREAWHERE SOIL BORINGSWILL BE DRILLED
ABOVE GROUND TANK
10,000 GALUNDERGROUNDTANKS
LJLJCCin
Figure 2-14PROPOSED SOIL BORINGLOCATIONS AT RYBONDINDUSTRIAL PARKNorth Penn Area 6 SiteSource Control OU RI
2.3.75 Royal Cleaner
Five locations within two separate areas will be sampled and the samples sent to themobile laboratory for soil analysis (Figure 2-15). One boring will be drilled at thelocation of a former excavation area and the second boring will be at the back of thebuilding. According to the information summarized by CH2M HILL (1991), PCE wasstored in drums at the back door of the building. Both locations will be sampled at 5and 10 feet depths. The need for additional sampling locations will be evaluated afterreceiving the results.
!" -' ! • ; . ' . • ; " . - ' - • . • .The actual locations may differ from those shown in Figure 2-15 because the propertyhas not been surveyed.
NP-3/SECT2 _
08/05/93 2-34
&R3QQ357
PROPERTY LINE
(D<U
_1_J
CO
ool_CD
ASPHALT PAVEDX AREA ^\
ROYAL
FM /r i\- A1 i1 1r ^L J1 1r ii- -i •i " iU^N
FORMERAREA —
r~ ~T ~
\(1 I
, ^>PROPFORSAMP
LEGEND BU'LDINGr r " 1 "" PROPOSED SOIL GAS SURVEY[" J ^ AND SOIL BORING AREA
Figure 2-1530 ft 0 30 ft
SCHEMATIC DRAWING OFAPPROXIMATE SCALE ROYAL CLEANER
North Penn Area 6 SiteSource Control OU RI/FS
2.3.16 Westside Industries\ "
The previous owner of this property was reportedly Weaver Steal.: - , l . . ' i .; ( • • • • .
At an estimated 10 locations soil gas samples will be obtained. At an estimated 25locations samples will be collected for soil analysis (Figure 2-16). The soil gaslocations and ten of the soil sample locations will be sampled at a depth of 5 feet. Theremaining 5 soil locations will be sampled at two depths (5 and 10 feet). Three'samples will be sent to a CLP laboratory for analysis of TCL organics. Soil and soilgas sampling will assess the potential for contamination from a cistern that may havebeen used for disposal and from former underground storage tanks. A water samplewill be collected from the cistern, which is located inside of the building. The need foradditional sampling locations will be evaluated based on the first phase results.
The actual locations may differ from those shown in Figure 2-16 because the properlyhas not been surveyed.
NP-3/SECT2
08/05/93 ' 2-36
AR300359
REMOVEDUNDERGROUND TANK
REMOVED UNDERGROUNDSTORAGE TANK
LEGENDr r
., PROPOSED SOIL GAS SURVEYL j _ _u AND SOIL BORING AREA
>cF
5th Street_____________———————————————————— -
oITCD
>
so ft o so ft Figure 2-16' —————— ' —————— ' SCHEMATIC DRAWING OFAPROXIMATE SCALE A R ^ tNorth Penn Area 6 Site
Source Control ^^ ^.« ^60
2.3.17 Landacq Management Co.
Gulf Adhesives previously operated at this property.! " ' • • : . . . ' . -
An estimated 30 locations will be sampled and samples sent to the mobile laboratory(Figure 2-17). At ten locations the soil gas will be analyzed and at the others 20 soilsamples will be :analyzed. All soil gas samples and 15 of the soil samples will becollected from a. depth of 5 feet. The remaining 5 locations will be sampled from twodepths (5 and 10 feet). Four soil samples will be sent to a CLP laboratory for analysisof TCL organics. Specific information regarding the location of former undergroundstorage tanks is not available. If this information becomes available from the propertyowner, sample locations would be adjusted to focus on these potential source areas.The locations shown in Figure 2-17 are only preliminary because the property has notbeen surveyed. : ' , . '
i -^The need for additional sampling locations will be evaluated once the first phaseresults become available.
NP-3/SECT2
08/06/93 2-38
AR30036I
UNDERGROUND STORAGETANK (TOLUENE). --GAS STATION
STORM WATERDETENTION POND
L-l^HJi_i -F-i
^WELL
LEGEND •^ T^ PROPOSED SOIL GAS SURVEYL j _ _u AND SOIL BORING AREA
7th Street
Acorn Ave.——————
Figure 2-17100 ft 0 100 ft —*————————'———————'——————i SCHEMATIC DRAWING OFAppRrwiUATF qpAi r LANDACQ MANAGEMENT COAPPROXIMATE SCALE North Renn AreQ 6 ^.^
Source Control
2.3.18 Mattero Brothers
About 10 locations will be sampled from this property and sent to the mobilelaboratory for soil analysis (Figure 2-18). All locations will be sampled at two depths(5 and 10 feet). Splits from three soil samples will be sent to a CLP laboratory foranalysis of TCL organics. Ten soil samples will be sent to a CLP laboratory for analysisof TAL metals. , The need for additional sampling locations will be evaluated afterreceipt of the first phase results. :
The actual locations may differ from those shown in Figure 2-18 because the propertyhas not been surveyed.
NP-3/SECT2
08/06/93 ' 2-40
AR300363
7TH Street
Q)
amen
cin
o
!
v
>
;
GA1—— X ——— X ——— X ——— X ——— X ——— X ——— X ——— 1 1
— , WEIGHING L/^^ATE PLATFORM
~ L1 DEPRESSED: |" DOCK -
r — i' r ~u.
, r
— X ——— X ——— X ——— X ——— X v -X ——— X ——— X ———
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-X ——— X ——— )
——— X ——— X ——— X ——— X ——- r - T - - i - - | - (L n;i i
1 /EMpm1 • VDRUMS/ ;1
1
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« —— x —— x — -x — x —
FENCE
LEGEND|_r T^| PROPOSED SOIL GAS SURVEYL j _ _U AND SOIL BORING AREA
60| ft o 6Q| ft Figure 2-18' DDDnv.,, A' c™. c' SCHEMATIC DRAWING OFAPPROXIMATE SCALE MATTERO BROTHERS
North Penn Area .6_ Site.Source
2.3.19 Electra
The properly, presently owned by the Electra Realty Co., is occupied by several smallbusinesses. ; !r
About 25 locations will be sampled at this property (Figure 2-19). Two samplinglocations will be in the grassy area west of the building. Five of the 25 locations willbe sampled for soil gas. The remaining locations will be sampled for soil; 5 will besampled at two depths (5 and 10 feet) and 15 at a depth of 5 feet. Three soil sampleswill be sent to a CLP laboratory for analysis of TCL organics. The need for additionalsampling will be evaluated once the results from these sampling locations becomeavailable. \ ' , .
The actual locations may differ from those shown in Figure 2-19 because the propertyhas not been surveyed. :
NR-3/SECT2
08/06/93 ' '_' 2-42
l
&R300365
5th Street
PROPERTY LINE
PROPERTY LINE LEGENDPROPOSED SOIL GAS SURVEYAND SOIL BORING AREA
Figure 2-19SCHEMATIC DRAWING OF .ELECTRANorth Penn Area 6 SiteSource
APPROXIMATE SCALE
3.0 FIELD DOCUMENTATION
A bound field notebook will be maintained by all field investigation team members toprovide daily records of significant events, observations, and measurements during fieldinvestigations. Each page will be numbered, signed, and dated. These notebooks will bekept as permanent records.
^ '' • ' ? •••.'•'.- . iField notebooks are intended to provide sufficient data and observations to enableparticipants to reconstruct events that occurred during projects and to refresh the memoryof the field personnel if called upon to give testimony during legal proceedings. In a legalproceeding, notes, if referred to, are subject to cross-examination and are admissible asevidence. The field notebook entries should be legible, factual, detailed, and objective.
All original data recorded in field notebooks will be written in waterproof ink. Theseaccountable, serialized documents are not to be destroyed or thrown away, even if they areillegible or contain inaccuracies that require a replacement document.
If an error is made on an accountable document assigned to one person, that individual maymake corrections simply by crossing out the error and entering the correct information. Theerroneous information should not be obliterated. Any error discovered on an accountabledocument should be corrected by the person who made the entry. All corrections must beinitialed and dated. :
Information in field notebooks will include but not be'limited to the following items.r . !; ! • - .
Names and affiliations of personnel on site.General description of each day's field activities.Documentation of weather conditions during sampling.Location of sampling (station number as description).Name and address of field contact (in cover of logbook).Description of accidents involving personnel on site.Records of field equipment malfunction and repair.Records of site visitations.Records of field and lab equipment calibrations.Type of sample matrix (e.g., soil).Date and time of collection.Collector's sample identification number(s). ,Sample distribution (e.g., laboratory, hauler, etc.).Observations of sample or collection environment, if needed.Any field measurements made such as pH, dust, noise, etc.Sampler's name. !;
NP-3/SECT3 .07701/93 3-1
RR300367
• Sample type (composite, split, etc.).• Source and types of preservatives used.
At the end of every sampling day, the Field Team Leader will collect and store the logbooksin a safe location.'
At least two photographs, with negatives, will be taken at each property to supplement thefield logbooks. All photographs shall be identified on the back of the print with thefollowing information:
• An accurate description of what the photograph shows, including the name of thefacility or site and the specific project name and project code.
• The location, date, and time that the photograph was taken.
• The orientation of the photograph (i.e., looking northeast, etc.).
• The name or initials of the photographer(s).
If the photograph was taken with a Polaroid camera, the information shall be entered on theback of each photograph as soon as it is taken. If a 35 mm camera is used, a serial typerecord of each frame exposed shall be kept in the bound field logbook along with theinformation required for each photograph. The film shall be developed with the negativessupplied uncut. The field investigator shall then enter the required information on theprints, utilizing the uncut strip of negatives and the serialized photographic record from thebound field logbook, to identify each photograph. For enforcement investigations, thenegatives must be maintained with the bound field logbook in the project file and stored ina secured file cabinet.
NP-3/SECT307/01/93 3-2
AR30Q368
4.0 SITE MANAGEMENT
The following sub-sections outline specific functions of site management which are pertinentat the North Penn Area 6 Site.
The Field Team Leader (FTL) is responsible for daily oversight of the site crews, includingfield staff and subcontractor management. All health and safety practices outlined in theHealth and Safety Plan (HSP) will be strictly followed.
4.1 Equipment Calibration, Operation, and Maintenance1 *The equipment used in collecting field data during the RI will include a variety ofinstruments. Proper maintenance, calibration and operation of each instrument will be theresponsibility of the assigned FTL. All instruments and equipment used during the studieswill be maintained, calibrated and operated according to the manufacturer's guidelines andrecommendations. Appendix A to the QAPjP includes copies of available manufacturersguidelines for equipment used on this site. All instruments are inspected and calibratedprior to leaving the office. Instruments are recalibrated at the beginning of each samplingday and more often if indicated by changes in performance or weather conditions whichcould affect performance. Steel tapes used for well depth measurement will be calibratedtwice a year to check for kinks, stretching, or wear.
A routine schedule and record of instrument calibration will be maintained by the FTLthroughout the duration of the study.
4.2 Sampling Equipment Decontamination ProceduresAll sampling equipment and apparatus will be thoroughly decontaminated prior to use ineach sampling event and in between each sampling point to avoid cross contamination.Before being mobilized to the site, the drill rig or sampling mechanism will be cleaned. Theengine and power head will be cleaned with a power washer, steam jenny, or hand washedwith a brush using detergent (does not have to be laboratory detergent but should be adegreaser) to remove oil, grease, and hydraulic fluid from the exterior of the mechanism.The drill rig or sampling mechanism will be inspected to insure that there are no fluid leaks.If necessary, down-hole drilling and sampling equipment will be sandblasted to remove anypaint, dried caked-on mud, or heavy rust accumulation. The drill rig or sampling mechanismwill be steam cleaned before drilling each boring and a final rinse applied with reagent gradewater. ' ' , ' " ' ' "
A decontamination pad will be provided. This pad will service all drill rigs or samplingmechanisms and equipment involved with the drilhng and sampling operation. All drill rigs,
NP-3/SECT4-07/01/93 4-1
AR300369
sampling mechanisms, and equipment will be decontaminated using a powered steamsystem. Detergent (alconox) solutions may be used as necessary to properly cleancontaminated equipment. During the investigation, the decontamination water will becollected into 55 gallon drums. These collection drums will be labeled and staged in eachproperty prior to testing and disposal. The drums will be sampled at the conclusion of fieldactivities and disposed of appropriately.
It is imperative that all drilling equipment and sampling mechanisms onsite be thoroughlydecontaminated before being allowed to leave each property. Special attention will be paidto the treads or tracks and interior surfaces. Decontamination can be expedited if vehicleinteriors are lined with plastic sheeting prior to commencing onsite activities.
Analytical data or manufacturer's certification which verifies the quality of the distilledreagent-grade water will be provided with the analytical results. All equipment used forsamples undergoing TAL analyses will be decontaminated with the following procedures:
1. Non-phosphate detergent and tap water wash.2. Tap water rinse.3. Distilled/deionized water rinse.4. 10% nitric acid rinse.5. Distilled/deionized water rinse
For equipment used to take samples undergoing TCL analysis, a pesticide-grade hexanerinse and total air dry or pure nitrogen blow out will replace step 4 in the above procedure.Ample time will be given for evaporation of solvents and for the equipment to dry prior toreuse. Sampling equipment used to collect samples for organic analysis will not be allowedto come into contact with any type of plastic, such as plastic storage bags.
Sampling equipment that is not readily decontaminated will be discarded after each use.Discarded materials, including decontamination solutions, will be accumulated and storedin appropriate receptacles for proper disposal.
4.3 Containerization and Analysis of Investigation-Derived Wastes
All investigation-derived wastes will be containerized in 35-gallon drums, labeled, and stagedin the same properties from which the samples are collected, pending determination ofwhether the materials are hazardous wastes. This determination will be based upon theresults of analyses performed by the mobile laboratory during the RI. The goal of thecontainerization and analysis of these wastes is to ensure that the materials are disposed ofin a proper and legal manner. After the analytical results for the drum contents areavailable, an appropriate disposal method will be identified. Uncontaminated water may bedisposed of onsite. Soil from the borings will be backfilled into the originating boring.Contaminated materials and liquids will be disposed of at an offsite RCRA facility.
NP-3/SECT4
08/06/93 4-2
A83Q0370
Sampling wastes have been divided into the following categories based upon the method ofcontainerization. '
4.3 7 Soil Borehole Cuttings
Borehole cuttings may be generated in the course of drilling soil borings during this RI/FS.Cuttings will be backfilled to the same bore holes once the sampling is completed.
4.3.2 Decontamination Fluids and Disposal of Protective Clothing andSupplies
All decontamination fluids will be presumed hazardous and will be placed in 55-gallondrums.. All disposable protective clothing and supplies will also be presumed hazardous andwill be double bagged and placed in separate 55-gallon drums. Arrangement for drumdisposal will be the responsibility of the contractor conducting the RI/FS (BVWST). Allhazardous materials will be disposed in less than 90 days.
4.4 Site Controlsi •
Maintaining site control will be the responsibility of the Site Safety Coordinator. A healthand safety risk analysis, a description of personal protective equipment to be used for eachsite task, and a description of air monitoring and personnel monitoring can be found in theNorth Penn Area 6 Site Safety Plan. This plan also describes decontamination procedures,standard operating procedures for the site, and a contingency plan in the case of anemergency. ' L
NP-3/SECT4
08/06/93 4-3
&R3QQ37I
5.0 REFERENCES
CH2M HILL 1991. North Penn Area 6 Phase H RI/FS and FFS Work Plan, June 1991.
Guernsey, 1986. Crystal, Inc., Lansdale, Pennsylvania, Site Survey Report.
NP-3/SEC7507/01/93 5-1
AR300372
APPENDIX A
GEOPROBE EQUIPMENT AND SAMPLING PROCEDURES
&R30Q373
GEOPROBE 1992 CATALOG
What's New In 1992The 1992 Equipment and Tools Catalog features sections on Geoprobe "8-M" SeriesHydraulic Soil Probes and Mobile Laboratories as well as accessory tools for sampling.It includes many new tools and most of the older tools that have become standardequipment for Geoprobe operators in the field.Some tools that have appeared in our previous catalogs have been discontinuedbecause of design improvements. For example, our improved "B" series thread whichwas introduced in 1991 is the only thread style featured in this catalog. However, most"A" style threaded tools are still available for operators who use them (see photo atright for identification of "A" and "B" style probe tool threads). It is important tospecify the correct thread style when ordering parts. Likewise, drill bits and hammerreplacement parts for earlier Geoprobe Model 8-A machines equipped with GHD45hammers are not listed but remain available.New Tools for 1992 include the Kansas Sampler Manual Soil Extruder (AT-658) forextruding soil samples in the laboratory, Brass Liners (AT-666) for the Large BoreSoil Sampler, and the Geoprobe Screen Point Ground Water Sampler (AT-440K).Other tool lines have been expanded to provide a wider selection of options. In New 8 MU Skid Mount.the Vapor Sampling Tools section you will want to check out the "New Gadgets".
Explanation of Part Numbering SystemTool Series Identification Number
IRefers to Tool Classification —— AT"""123B"<— Identification ExtensionAT = Accessory Tool . . ; . . . . B = B Style ThreadGW = Ground Water Tools K = Sold in Kit FormPR = Post Run Tubing System . R = "0"-RingsRP = Replacement Parts .S = Stainless Steel "A" Style Threaded Probe Rod (top) and
Rounded "B" Style (bottom).
Table of ContentsINTRODUCTION. ................................... .2 New Gadgets ................:.......................27SECTION 1 - Major Equipment Vacuum/Volume System...............................28Geoprobe Model 8-M..................................4 SECTION 5 - Soil Sampling ToolsGeoprobe Model 8-ML ................................. 5 Probe Drive System................................... 30Geoprobe Model 8-MU ................................ 6 Standard Probe Drive Sampler ......................... 34Mobile Laboratories .................................. 7 Kansas "Stainless" Sampler............................ 36SECTION 2 - Probing Tools Large Bore Sampler ................................. 38General Accessories................................... 8 Shelby Tubes ......................................39Cleaning Accessories................................. 12 SECTION 6 - Manual Sampling ToolsHammer Accessories ................................. 13 Drivers, Probe Rod Jack .............................. 40Pavement Drills..................................... 14 Kits .............................................. 41SECTION 3 - Ground Water Sampling Tools SECTION 7 - Laboratory AccessoriesMill Slotted Rod, Mini-Bailer........................... 15 Bottle Racks, FID Air System .......................... 42Geoprobe Screen Point Sampler ........................ 16 SECTION 8 - Replacement PartsTubing Bottom Check Valve ............................ 18 Cylinder Seals, Reverse Tap, PaintSECTION 4 - Vapor Sampling Tools SECTION 9 - IndexStandard System ...............................,,^... 19 Numerical (Part Number) Index................ .„PRT System .......................,................ .^0 , Terms of Sale ...Vapor Sampling Implants ............................. 24
The Tools For Site Investigation AR3QQ37lv
INTRODUCTION - Geoprobe MachinesSee Section 1 for Probe Unit Specifications" ; '
________;_____c.• Hydraulically powered probe operates from hydraulic system driven from the vehicle motor .
or an auxiliary engine. ; _. ; .• Remote vehicle ignition allows operator to start vehicle engine from rear compartment.• Belt driven hydraulic pump supplies 10 gpm at 2000 rpm, 2250 psi operating pressure.• Probe unit folds for transport and sets up again in seconds.• Utilizes static force (weight of vehicle) and percussion to advance probing tools. " :.• Powerful 8 horsepower hydraulic hammer delivers over 1800 blows per minute. •• Hammer features 0-300 rpm LH directional rotary function for drilling surface pavements.• Probe has greater than 12,000 Ibs.. of pulling capability.• Drives small diameter (1" O.D. - 1.6" Q.D.) probing tools to depths limited only by soiltype and depth to bedrock, typically to over thirty feet. ^
Geoprobe Model 8-ML folded for transport.
Fold Mechanism
Probe in Extended„ , ,. „ ______ , , PositionHydraulicPump
/// \ J_PercusionHammer
Probe in FoldedPosition forTransport
[ve displacement hydraulic Hydraulic oil reservoir mounted on front bumper of Control panel for operation of probe.p is belt driven by 1992 Ford.motor.
Systems '
AR3Q0375
INTRODUCTION - Sampling Equipment
Geoprobe Equipment and UseGeoprobe Systems supplies both the tools andthe drivers to perform sampling. All tools fit our1" O.D. probe rods. Changing the samplingmedia is simply a matter of replacing the tipconfiguration of the leading probe rod.
Soil Vapor Sampling ToolsPRT SystemStandard System _________________________________Permanent Vapor Implants j . configuration for i vapor sampling using expendableSee also 1 acuumA blume System drive points.See Section 4 for details.
Soil Sampling ToolsProbe-Drive Soil Samplers:Standard Probe-Drive .Kansas "Stainless"Large Bore U °-960" H 1125""helby Tubes . . .x Section 5 for details. .
Actual sizes of Standard Sample Tube (left) and Large Bore Sample Tube (right).
Ground Water Sampling ToolsMill Slotted Well PointScreen Point SamplerMini-BailerTubing Bottom Check ValveSee Section 3 for details.
Mobile LaboratoriesGeoprobe Systems also provides mobile laboratoriesto compliment the probing units with in-field analysis.See page 7 for more details on mobile laboratories.
Ground Water Samplingusing the Geoprobe System
with flexible tubing.
Geoprobe Mobile Lab.
The Tools For Site Investigation flR30fn76
MAJOR EQUIPMENT - Geoprobe Model 8-M
___________________ CSped)specifications:
8-M Base occupies 58" from: " Probe has 22" of Folded unit is 31" high.the inside of the rear door. linear extension Base is 48 " wide.
movement ability. Door opening must be 46 " high.
///
o
-48" —|
Maximum extended height withfoot on ground is 92 ".
Foot can be deployed below vehicle bedup to 36 ". Higher vehicles requiremodified foot.
The Geoprobe 8-M can be mounted in a variety of carriers includingvans, pick-ups, and four wheel drive vehicles.
00:10 00:22 00:38
Geoprobe 8-M mounted in Chevrolet Suburban Carrier. Sequenceshows deployment of the soil probe. The operation is complete in amatter of seconds.
f| Geoprobe Systems ~
1 &R3QQ377
MAJOR EQUIPMENT - Geoprobe Model 8-ML
Specifications: !———60"-r
i11 ~
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I ;
J5
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A 8-ML Base occupies 60 " fromthe inside of rear door.
i Folded unit is 331/2" high.Base is 47 " wide.Door opening must be 46" high.
gg» -^ Operating Area for Probe Placementusing a Geoprobe 8-ML.
12" 22"
The 8-ML allows for multiple probe placements without moving the carrier vehicle.Roller bearing design allows the probing unit to slide easily from side to side.
Left Position Center Position Right Position
Place probe exactly on the location cleared for utilities.Move the unit aside while working over the hole.
The Tools For Site Investigation 5RR300378
MAJOR EQUIPMENT - Geoprobe Model 8-MU
^ rcifiC
ifications:
Geoprobe "8" Soil ProbeEngine Exhaust
1__— Engine compartment houses3D" L =C = ' B J———————-, Kohler brand two cylinder
20 H.P. gasoline enginefor hydraulic system
_________ I—— Steel Skid Frame
Vacuum/Volume System
Built-in Probe Rod Rack
10 gallon gasolinereservoir
Compact Geoprobe Model 8-MU fits easi-"F ip-up" Forced Air , jnto back of kk
0llCooler - down required).
15 gallon hydraulicoil reservoir
Unit Weight: approximately 1200 pounds.Fuel Consumption: 1.8 gallons per hour at full load.
• Same hammer and derrick system as Geoprobe Models 8-M and 8-ML.• Completely self contained unit requires no auxiliary power.
• Self loading and unloading from carrier vehicle using detachable legs.• Can be mobilized in a variety of carrier vehicles.• Easily transported or shipped to remote locations.
• Built in probing tools rack.
• Built in vacuum/volume system is optional.• 10 gal. on board fuel capacity allows a full day of operation undernormal conditions.
Geoprobe Model 8-MU in operating position..P. electric start gas engine with ori-board 12 VDC batter)'. Probe has the same capabilities as units powered
. . , , „ „ „ . , . , , . . from the vehicle engine.>e unit extends 22 in and out from earner vehicle.
Geoprobe Systems ®
RR3G037S
MAJOR EQUIPMENT - Mobile Laboratories
Geoprobe Mobile LaboratoriesGeoprobe Systems can provide custom designed laboratories as completesystems to use in conjunction with the soil probe or as independentlyoperating units. . -
Basic System Equipment:• Laboratory' interior with cabinets and countertops• Dual or Single Electrical Generator System with line conditioning• Compressed Gas Bottle Racks• Gas Regulators and Plumbing• Laboratory'.Grade Gas Chromatograph System with complete training
GC SYSTEM
TRAINING ! ?—r.
AC POWER GENERATOR
_1_S_____LJL
'——————————————— AC POWER CONDITIONINGLABORATORY INTERIOR
Optional Equipment:• FID Compressed Air System • Auxiliary Air Conditioning• Vapor Fume Hood • Purge and Trap System
CARPUS - Laboratory componentsGAS
SYSTEMS
Geoprobe Mobile Laboratory interior with Shimadzu GC,purge and trap, and Epson PC based integrator.
added to aProbing/Analytical Unit
Complete Geoprobe Lab Unit with Soil Probe, Vac/VoI System, FID Air conditioner/heater combina-Compressed Air System (in rear compartment), Dual Electrical tion mounted in laboratory unit.Generator Systerh and Auxiliary Air Conditioning (on roof).
The Tools For Site InvestigationAR300380
PROBING TOOLS - General Accessories
"B" Style Threaded Probe RodPart No. AT-10B (36" length) ____________% • ;Part No. AT-105B (24" length) -~TW - - : J 7""''""Part No. AT-106B (12 "length) UiiU_—————_______, www.Geoprobe brand alloy steel, rounded profile thread . ,that is heat treated and further improved by surface '- . AT-IOB Probe Rodpeening to inhibit fracturing and fatigue; T'O.D. x 0.5" I.D. ' ,Introduced in 1991. Not compatible with A thread tools. ,
Note to users: The internal diameter of probe rodsproduced by Geoprobe Systems will van1 according to thestock provided ta us by our suppliers. According to ASTM-A-519, this dimension could range from.0.470" to 0.530"For this reason, we cannot guarantee that the I.D. of ourprobe rods will be exactly 0.500 inches. But rather, the I.D.can be expected to vary within the above listed tolerances.
Older "A" style thread (top)Improved "B" style thread (bottom)
•I
.probe rod.
rrobe Drive CapIo. AT-11B
iiied top cap for driving Geoprobe brand
AT-11B
Geoprobe Pull CapPart No. AT-12BFemale threaded for pulling Geoprobeprobe rods. Hammer latch fits overflanged top. Not required when usingmanual probe rod jack.
AT-12B
Chain Assisted Pull CapPart No. AT-120BFor pulling off-center probe rods, this tool is able toreach a 2 " radius area from the center of the hammer.The upper part fits into the hammer and latches, thelower part, connected by chain, threads onto theprobe rod.
Rod Extractor (Fishing Tool)Part No. AT-24BThreads into Geoprobe rod. For retrieval ofprobe rods broken off down hole. Hammerblows drive tool into I.D. of broken rodfor strong connection.
AT-120B
AT-24BBroken Probe Rod recovered using AT-24B.
U
O Geoprobe Systems s
1 &R30Q38I
PROBING TOOLS - General Accessories
Expendable Point HolderPart No. AT-13BThreads into Geoprobe probe rodsto drive expendable points. Forsoil gas or groundwater samplingthrough probe rods. The Geoprobepoint system has been redesignedto minimize annular space betweenthe point and holder.
AT-13B
PRT Expendable Point HolderPart No. PR-13BPoint Holder for'use with PRT SoilGas Sampling System. See page 20for details on PRT Svstem.
PR-13B
Machined Steel Expendable Drive Point Neoprene "O"-RingPart No. AT-14 Part No. AT-14R1.1" maximum O.D. machined steel drive point Point Fits Expendable Point Part No. AT-14. Package of 25.remains in soil upon retraction of rods leaving an opencavity' for soil gas sampling. Improved design utilizesminimum tolerances to inhibit intrusion from soil flow,Optional "0"-ring fits in groove for even tighter sealing.Fits Geoprobe Expendable Point Holders. May also beused with %" NPT pipe. • . - . . -
Typical Point Configuration
AT-14 AT-14 with AT-14RO-ring0 •
Solid Drive PointPart No. AT-142BThreads into leading Geoprobe rod.For pre-probing hole prior to gatheringa soil sample. Also used for penetratingfrost or asphalt layers prior to probing.
AT-142B
AT.1A9RAT-145 on 1" NPT pipe
1.6 " Diameter Expendable Drive PointPart No. AT-1451.6" maximum O.D. machined steel drive point.Fits Geoprobe Expendable Point Holders and1" or W NPT threaded pipe. :
The Tools For Site InvestigationAR300382
PROBING TOOLS - General Accessories; . • : . . . .. M .
ConfigurationsThese tip configurations are availablefor your sampling requirements:A. Expendable Point System
AT-13B Expendable Point Holder andAT-14 Expendable Point. See Page 9for individual parts. :
R Retractable Point SystemAT-21B Retractable Point Assembly.See Page 10 for individual parts.
C. Post-Run Tubing SystemPR-13B PRT Expendable Point HolderAT-14 Expendable Point; PRT Adapterand Tubing. See 'Page 20 for details.
Probe Rod(Geoprobe AT-10B)
O-RingSeal
Sample Tubingand Adapter "
- RemovableBall Holders
S.S. RetractableInsert
B.
Retractable Drive PointPart No. AT-21BStainless steel retractable point insert with Geoprobe threaded pointholder and ball keepers. Point extends on pull back to allow gas "\ j! j LJ._J_________?1J fl H|(f $, • j AT-21-1Bsampling but remains attached to holder for further probing. Point . " ^^ " AT-2Mextends 2 " on pull back. Can be easily disassembled for cleaning.
Sub-Assembly PartsRetractable Point Housing Retractable Point Ball BearingsPart No. AT-21-1B Part No. AT-21-2 (package of 12)
Stainless Retractable Point Shaft Retractable Drive Point O-RingsPart No. AT-21-1 ' Part Na AT-21R (package of 25) Probe Rod
PRT Retractable Point HolderPart No. PR-21BRetractable Point Housing for use with PRT System.Requires AT-21B (Sold Separately).
PR-21B
I Geoprobe Systems ®10 fl! HR300383
PROBING TOOLS - General AccessoriesP ^ r S Si ^nti &z : ti?Mxm
NPT Drive Cap (1")Part No. AT-18For driving 1" NPT threaded pipe Can be usedwith a bushing to drive % " NPT threaded pipe.
AT-18
AT-18 with 1" NPT pipe (bottom)AT-18 with bushing and % NPT pipe (top)
NPT Pull Cap (1")Part No. AT-20For pulling 1" NPT threaded pipe. Can be usedwith a bushing for pulling % " NPT threaded pipe.
AT-20
AT-20 with 1" NPT pipe. May also be used.withbushing for 3A " NPT pipe
AW Drill Rod SubPart No. AT-16BAllows standard AW drill rod to be drivenby Geoprobe machine. Male Geoprobe .thread x male AW. May also be used todrive 2 " diameter thin wall (shelby) tubes.
AT-16B
"A to B Series Sub i ,. B to A Series SubPart No. AT-17A | i | Part No. AT-17BFor adapting B Series tools S ' S For adapting A Series toolsto A Series Probe Rods. J| • j|i to B Series Probe Rods.Male A, Female B. ^ j N Male B, Female A.
AT-17A AT-17B
Note to users: These tools are only necessary' for thoseperators still using "A" style threaded tools.
The Tools For Site Investigation 11AR30038U
PROBING TOOLS - Cleaning Accessories
Rtension RodPart No. AT-6736"'Stainless Steel. Attaches to cleaning brushand adapter for cleaning probe rods. -
AT-67
Extension Rod CouplerPart N o . AT-68 ; . . . . .Stainless Steel. For joining extension .rods together.
/ae
ffi»3
6%
Extension Rod HandlePart No. AT-69Machined steel. Threads onto extension rods.
© 'AT-69
.ish Adapter „. Cleaning Brushj. AT-101 It Part No. AT-100
Irt No. AT-100). Connects brush. to . '_ ..extension rods. :
- IAT-101
'/2 " diameter; stainless steel. For cleaning I.D. < ^of probe rods. * j :
1 •. ' i
AT-100
Cleaning KitPart No. AT-100KIncludes the following parts:1 - AT-67 1 - AT-1011 - AT-69 1 - AT-100
Cleaning Accessories AT-100K
Geoprobe Thread ChaserPart No. AT-160BGeoprobe female x male threaded.For cleaning threads onGeoprobe rods.
. ^ AT-160B
Using AT-160B to clean thread. >•
[IGeoprobe Systems ®AR3Q0385
PROBING TOOLS - Hammer Accessories
GSK-58 Hydraulic HammerPart No. AT-5800Percussion hammer for Geoprobe 8-M seriesmachines. Delivers 1800 blows per minute forpowerful penetration. Features rotary functionfor drilling surface pavements. Adaptable toearlier 8-A machines.
The GSK-58 Hydraulic Hammer is used on all Geoprobe 8-MSeries Soil Probes.
GSK-58 Hammer LatchPart No. RP-25 1Replacement hammer latch. Fits GSK-58 'Hammer on Geoprobe 8-M model machines. i
l\1
] . E
N j ———— i _,'
RP-25
GSK-58 Hammer Anvil p~iPart No. AT-220 iFits inside GSK-58 hammer to permit driving |;of probe rods. GSK-58 hammers are used j- -on Geoprobe 8-M model machines. \
AT-22
1J0 A
Hammer Latch ToolPart No. RP-251 (Pair)Tool includes piston and compression collar forinstalling wire retaining ring on spring assembly forGSK-58 hammers on Geoprobe Model 8-M machines.Necessary for installation of hammer latch.
RP-251 Installing wire ring.
GSK-58 Replacement PartsLatch Washer ~=Part No. RP-4756 , ==C
;, RP-4756SpringPart No. RP-4758
Spring Back UpPart No. RP-4759
Wire RingPart No. RP-4761 'S. > RP-4759
RP-4761
The Tools For Site Investigation 13&R3Q0386
PROBING TOOLS - Pavement Drills
GSK-58 Drill SteelsFits GSK-58 hammer on Geoprobe model 8-M machines.For drilling surface pavements. . : ;Part No. DescriptionAT-32 Standard 18 ". drills 12 " into surfaceAT-33 24 " length, drills 18" into surface
I AT-34 30 "length, drills 24 "into surfaceAT-35 36"length, drills30"intosurface \ . AT'32
| Carbide-Tipped Drill BitPart No. AT-36 !l>/2" Diameter drill bit. Fits AT-32; AT-33..AT-34. and AT-35 drill steels.Part No. AT-372" Diameter drill bit. Fits AT-32, AT-33. AT-34, and AT-35 drill steels.
AT-36
, Drill Bit and Drill Steel
Fast-Drill Air SystemPart No. AT-1005A Compressed Air System For Improved PavementDrilling Performance.Geoprobe 8-M hammers are equipped with a special port to allow theuse of compressed air to blow cuttings from, the drill hole. Removal ofcuttings from the hole increases drilling rate and allows greater workingdepth. While the Geoprobe 8-M will normally, penetrate 6" of concretewithout the use of air, addition of the Fast-Drill system will allow drilling 'of 12 to 24 inch surface pavements or rock.Fast-Drill includes a 12 VDC air compressor and storage tank. Com-' pressed air at 60 PSI is applied to the hammer in quick bursts using amanual valve (supplied). System includes tank, compressor, automaticpump control, pressure gauge, and air supply tubing to hammer.
Use of Fast-Drill system does require the removal of threaded boreplugs from Geoprobe Drill Steels (Part No. AT-32, 33, 34, or 35).
Manual Valve on GSK-58 Hammer supplies quickbursts of air for drilling.
14 pCeoP"*« Systems® &R3QQ387
GROUND WATER SAMPLING TOOLS
Mill-Slotted Well PointPart No. GW-43KThreads into leading Geoprobe probe rod. 3'length x 1" O.D.Has 15 mill-cut slots, each 2" in length x .020" in width.
GW-43K(Assembled Sampler!
Sub Assembly PartsSolid Drive PointPartNo.AT-142B
Mill Slot Drive HeadPart No. GW-43B
Mill-Slotted Rod SectionPartNo.GW-44 GW'43B
.020 " Mill Slot for Ground Water Sampling
GW-44
f ' Well Mini-Bailer, Part No. GW-41Stainless Steel: 20" in length x T/6" O.D. Fits down I.D. ofGeoprobe probe rods. Recovers up to 20ml of sample.
GW-41
Mini-Bailer Check BallPart No. GW-41-1Replacement check ball for mini-bailer,package of 5.
Replacement Check Ball for Mini-Bailer
Mini-Bailer Fits Down I.D. ofProbe Rods.
The Tools For Site Investigation 15AR300388
GROUND WATER SAMPLING TOOLS
Geoprobe Screen Point Ground Water SamplerGW-440 SeriesThis sampler allows you to send a sealed stainless steel screen todepth, open the screen, and obtain a water sample via a tubingsystem to the surface. Features a 19 " screen encased in a perforatedstainless sleeve. The screen remains totally enclosed in the sheathuntil it is pushed out into the formation;at the desired depth.Flexible tubing can be connected to the. top of the screen sectionusing PRT adapters (Note: See. the "PRT" section of this catalogfor an explanation of available tubing and adapter sizes.) Watersamples can be bailed from the rod bore or pumped directly fromthe screen section using a peristaltic pump.This sampler is easily disassembled for cleaning. The sampler screensection is inexpensive and easily replaced.
Assembled sampler is 1" O.D. by 36" overall length and threads . Screen Point Sampler in openonto the leading probe rod. This device is also useful for measure-ment of piezometric levels. ;
• GW-440K(Assembled Screen Point. Sampler)
Sub-Assembly Parts
nMill-Slot Drive HeadPart No. GW-43B
GW-43B
Screen Point Sampler SheathPart No. GW-440GW Drive Point SeatPart No. GW-440-1
GW-440-1 GW-440
Screen Sleeve i - "Part No. GW-441
. GW-443RScreen Plug |Part No. GW-442 ' 0*3 ||||||||' uor,oOno'on ° o r,u o nu o nu o ou o n ——I | \ |Screen Connector GW-442 GW-441 GW-443Part No. .GW-443Screen Connector "O"-RingPart No. GW-443R GW-443R
^ B ^ ^ ^ 58 ^ 8 g9S8 38888 9899 ^ gg8 ^ 88S8 888888888888B88 g888 88888g
less Screen Insert i 4No. GW-444
16 pc-p s . HR30Q389
GROOND WATER SAMPLING TOOLS
GW Expendable Drive PointPart No. GW-445
GW-445
GW Drive Point "O"-ringPart No. GW-445R
GW-445R
(DExtension Rod RamPart No. GW-446Fits Geoprobe Extension Rods (AT-67). . GW-446 AT-67Used for pushing screened section outof Sampler Sheath when sampling depthhas been reached.
Other Required Parts:PR-25S Post Run Tubing Adapter (fits into GW-443 Screen Connector). See page 23.TB-25L % " x »/4" Polyethylene Tubing. See page 18 or 23.GW-41 Stainless Steel Mini-Bailer. See page 15.GW-42 Tubing Bottom Check Valve. See page 18.
KITSAssembled Screen Point Ground WaterPart No. GW-440KIncludes the following parts:(1) GW-43B Mill Slot Drive Head(1) GW-440 Sampler Sheath(1) GW-440-1 Drive Point Seat(1) GW-441 Screen Sleeve(1) GW-442 Screen Plug(1) GW-443 Screen Connector
Sampler
(1) GW-443R(2) GW-444(25) GW-445(1) GW-445R(1) GW-446
Screen Connector "O"-ring (pkg of 25)Stainless Screen InsertGW Expendable Drive PointGW Drive Point "O"-ring (pkg of 25) .Extension Rod Ram
CW-440K Parts
The Tools For Site Investigation 17
GROUND WATER SAMPLING TOOLSn -g as X? ^ • • • • - .——— - —— -- ———; Bottom Check Valve Groundwater Sampling With Tubing Bottom Check Valve
Part No. GW-42Fits Vi " I.D. Tubing. Converts standard tubing L gSSS?0 & 2" JSSfflf * REC°VEH SAMPLEinto a mini-bailer. Oscillating motion pumps water > ||column up into tubing. Can pump water! to. - ' ' j Vj| samplesurface in some formations. Tubing recovers " , , . :'i9,65 ml per foot. - -:- - _ jl : : • |j
Tubing to i| ' . • • : \
' Surface i! |i'' • p! f ' ' P !bGroundwater ^ ! K^ '•' ^ l W ' MUJ^ *
o •GW-42
Check BallsPart No. GW-42-1Replacement check balls for G\
KiD. Polyethylene TuTOa TB-25L
%"O.D. x '/4"I.D. .060" wall tisampling with GW-42 tubing boDiscard tubing after each samp
1 \W; If 111 1 1 IMill-Slotted t^j ' ^ M f^ ^3Sampling Rod ri 1/i Jsffiw. M A
ss K "V-j Lt-* J r,-*j pyJ f/11 |: • : • i 1 . . itV-42. Package of 25. . . . . . . .
bmg
jbing. For waterttom check valve.e 500 ft. 'roll. '
ec
Tubing Bottom Check Valve and%" Polyethylene Tubing
18 [] Geoprobe Systems ~
RR30039I
VAPOR SAMPLING TOOLS - Standard SystemVAPOR SAMPLING TOOLS
Gas Sampling Insert Adapter and CapPart No. AT-153 (Insert Adapter)Part No. AT-155B (Cap)For sampling directly through probe rods. An "0"-ring designenables a vacuum-tight seal when cap is tightened onto proberod compressing the "0"-ring at the base of the samplingadapter.
AT-153 AT-155B
Neoprene "O"-RingPart No. AT-153RFits Gas Sampling Adapter Part No. AT-153. Package of 25.
Insert Adapter and Cap attached to probe rod.
Gas Sampling CapPart No. AT-15BGeoprobe threaded top cap, supplied with 0.25 inch barbedhose fitting for connection to vacuum supply.
Neoprene "O"-RingPart No. AT-15RFits inside female end of AT-15B. Package of 25.
AT-15B
Silicone Tubing AdapterPart No. AT-118Silicone tubing fits over gas sampling adapters or PRT tubing __ ____and connects to Geoprobe Vacuum/Volume system. Syringe Flld ^ l •* Sample collectionneedle is inserted through silicone tubing for direct injection Vl cl ^ l method for directsoil gas sampling. Hr H ^ I injection of soil
gas sample intogas chromatograph.
The Tools For Site Investigation 19AR300392
VAPOR SAMPLING TOOLS - PRT System/Operation
The Post-Run Tubing System__ i:
An Inner Tubing System insertedAFTER probe rods have been drivento depth...• Increases speed and accuracy of soil vapor sampling.• Eliminates problems associated with rod leakage and sample carryover.• Reduces probe rod decontamination time. :• Utilizes simple design for ease of use and vacuum-tight sealing. •• Requires no management of inner tubing during probing.The Post-Run Tubing System (PRT) allows.the user to collect soil vapor samplesquickly and easily at the desired sampling depth WITHOUT the usual time-consuming complications associated with rod leakage and contamination."0"-ring connections enable the PRT system to deliver a vacuum-tight seal thatprevents sample contamination from UP hole and assures that the sample istaken from the desired depth at the BOTTOM of the hole. The sample is drawn
through the point holder,through the. adapter, and'nto the sample tubing.The tubin§ can be replacedafter each sample, thuseliminating samplecarryover problems andthe need to decontaminateprobe rods. The resultingtime-savings translates intoa higher productivity ratefor you and your client.
A cross-section of the PRTSystem showing how soil gas(arrows) is drawn through the
inner tubing system.
The PRT system inserted intothe probe rods and connectedto Geoprobe's vacuum /volumesystem.
j|sIS;1
*
33•
Of) \\ Geoprobe SystemsRR300393
VAPOR SAMPLING TOOLS - PRT System/Operation
BasicsUsing the Post-Run Tubing (PRT) System, one can driveprobe rods to the desired sampling depth, then insert and sealan internal tubing for soil gas sampling. The usual Geoproberods and driving accessories with the following toolsare required:• Expendable Point Holder for Post-Run Tubing(IMPORTANT: Replaces AT-13B)
• PRT Tubing Adapter• Selected PRT TubingProbing operations remain unchanged from standard .Geoprobe operations using expendable drive points.
PreparationPRT SYSTEM PARTSPRT Expendable Point Holder, Tubing Adapters, Tubing, 0-rings.
1. Clean all parts prior to use. .2. Inspect probe rods and clear them of all obstructions.3. TEST FIT the adapter with the expendable point holder to
assure that threads are compatible and fit togethersmoothly.
4. Secure adapter to end of tubing. Taping may be necessary'to prevent tubing from spinning freely around adapterduring connection especially when using teflon tubing.(Fig. 1)
Probing0 FIGURE 1
After the desired sampling depth has been reached, disengage Securing adapter to tubing with tape.the expendable point, remove the pull cap from the proberods, and position the Geoprobe unit to allow room to work.
Connection1. Insert the adapter end of the tubing down the inside
diameter of the probe rods. (Fig. 2)2. Feed the tubing down the hole until it hits bottom on the
expendable point holder. Allow about 2 ft. of tubing toextend out of the hole before cutting it.
3. Grasp the excess tubing and apply some downwardpressure while turning it in a counter-clockwise motion toengage the adapter threads with the expendable pointholder. (Fig. 3)
4. Pull up lightly on the tubing to test engagement of threads.(Failure of adapter to thread could mean thatintrusion ofsoil may have occurred during driving of probe rods or FIGURE 2*™ ' FIGURE^disengagement of drive point.) Insertion of tubing and PRT Engaging threads by rotating
adapter. tubing.
The Tools For Site Investigation 21AR300391*
VAPOR SAMPLING TOOLS - PRT System/Operation
Sampling1. Connect the outer end of the
tubing to silicon tubing andvacuum hose (or other samplingapparatus).
2. Follow the appropriate samplingprocedure to collect a soil gassample (Fig. 4)
FIGURE 4Taking a soil gas sample with PRTsystem.
'CT-RING
PRT ^ V KEXPENDABLE ^KB 3- Remove the tubing from thePOINT HOLDER
Removal"V1. After collecting a sample,
disconnect the tubing from thevacuum hose or sampling system.
2. Pull up firmly on the tubing untilit releases from the adapter at thebottom of the hole. (Taped tubingrequires a stronger pull.)
decontaminate teflon tubingfor re-use.
4. Extract the probe rods fromthe ground anH recover theexpendable point holder with theattached adapter.
5. Inspect the "o"-ring at the base ofthe adapter to verify that proper
FIGURE 5 ... , sealing was achieved duringVisual inspection of the adapter/ h ..Q,, shou,d bgpoint holder connection. "O -ring , /r,. -vmust be compressed for seal. compressed. (Fig. 5)
6. Prepare for next sample.A A cross-sectional view of probe rods driven to depth andJ'tracted to allow soil vapor sampling. The PRT
r and tubing are now fed through the rods and1 to form a vacuum-tight connection at the point. The result is1 a continuous run of tubing from the
sample level to the surface.——————————i__________________________________.—————_————————————————————.———.
22 The Tools For Site Investigation&R300395
VAPOR SAMPLING TOOLS - PRT System
PRT System Parts List PRT Retractable PRT ExpendablePoint Holder * * Point Holder
Adapters Tubing
O) TB-12T
PR-12 S
C:~ ~~~~~1 ^ TB-17L
PR-17 S TB-17T
TB-25L
PR-25 S
PR-21A/B
PR-13A7B
DPR-30 S
TR "30Ti D-OU i Both pojnt ho|ders fjt standard 1" O.D.Geoprobe Probe Rod
POST RUN TUBING SYSTEM PARTS LISTTUBING SIZE
LD POLYETHYLENE*O.D.VA%
I.D..1701/4
WALL.040.060
PARTNUMBER
TB-17LTB-25L
INTERNALVOLUMEmL/FT4.469.65
ADAPTERSTAINLESSPR-17SPR-25S
' Available in 500 n. length only
TEFLON (TFE) *V4
1/4
%
%
y,65/16
.060
.030
.030
NUMBERTB-12TTB-17TTB-30T
VOLUME2.415.4315.08
STAINLESSPR-12SPR-17SPR-30S
* Available in 50 ft. length only
POST-RUN EXPENDABLE POINT HOLDERPRT RETRACTABLE POINT HOLDER
O-RINGS (PACKAGE OF 25)
PR-13BPR-21BPR-25R
Important: PR-13B replaces AT-13B** Retractable Point Holder only, retractable point assembly (AT-21B) sold separately.
The Tools For Site Investigation 23HR300396
VAPOR SAMPLING TOOLS - Vapor Sampling Implants
& ,Implant iPart No. AT-80 ; i. _Stainless Steel; 10 micron pore size. Fits down s,I.D. of probe rod and remains in the hole upon 1 jretraction of Geoprobe probe rods. For : i {permanent vapor sampling point. - • ;
AT-80 i
'• • J
Coiled Tubing \Part No. AT-82 ' : ^5S=_=\-..Stainless Steel; Y8 " in diameter. Connects to - / ~ ~ kporous implant (Part No. AT-80) and vapor /! \.sampling implant (Part No. AT-81). |l 1
V *AT-82 /
i gSatlMB -Kr &.'>.-: •-.--. •' ;•• .. . 'BapjLTBfi - 3** -- --1-
AT-80 Porous Stainless Implant
Top ConnectorPartNo.AT-83 :]Connects " S.S, tubing to vacuum tubing.Used for surface connection of vapor . ppsampling implants.
AT-83
KteadsAT-84ag of 50-100 mesh rounded glass; beads.'For creating
permeable layer around vapor implant.Backfill Material
Bentonite MixPart No. AT-85250 ml bag of Bentonite/Glass Beads mixture. For sealingannulus above vapor implant. Bentonite Mix
The Vapor Implant and stainless tubingare inserted down the inside diameterof the probe rods after the rods have Glass Beadsbeen retracted about 1 foot. The GlassBeads are then poured down the insidediameter creating a permeable layeraround the implant. The Ben-tonite/Glass Bead Mix follows to sealthe annulus and the remainder of the SM Vapor Implanthole is backfilled.
Implant Location
I Geoprobe Systems ®24 [IRR300397
VAPOR SAMPLING TOOLS - Vapor Sampling Implants
Stainless Screen ImplantsPart No. AT-86-12SPart No. AT-86-17SPart No. AT-86-25SPart No. AT-86-30SPart No. AT-86-SWStainless Steel Wire ScreenDouble woven screen 6 " long x 1A "Connector heads have maximum 0.of probe rods. All stainless steel. Fit
Implants.I.D., with .0057" openings.D. of 7/6" to fit down I.D.standard sizes of tubing.
J S ,1^®5Hif!Hif!)Siffw
Is ~ ,
\
—— \
'f
I&
1sr
AT-86 Series Wire Screen Implants fleft to right,AT-86-SW, AT-86-30S, AT-86-25S, AT-17S, AT-86-12S).
Implant Tubing*
(O) TB-12TAT-86-12S
I
"~I- ^ TB-17LYAYAW//AWxY/yWxW*YWV ———ir— l=——=~J ~~
AT-86-17S
AT-86-25S
AT-86-30S
TB-17T
TB-25L
TB-30T
(Swagelok) < ^ § ^ ^ ^ ZZ _"~ ----- <y> (Stainless Tubing)
(1,
* * See PRT Tubing Section on Page 23 for Complete Description of Tubing.
The Tools For Site Investigation 25AR300398
VAPOR SAMPLING TOOLS - Vapor Sampling Implants - Operation
MJjfructions for installing permanent vapor implant:
1. Drive probe rods to desired depth using anAT-13B expendable point holder and anAT-14 expendable point. '
2. Disengage the expendable point and retract the probe rods approximatelytwelve inches. : _.
3. Attach appropriate tubing to vapor implant. If tubing is pre-cut, allow it to beapproximately 48" longer than the required depth of the implant. Use tape to - ________________close the upper end of the tubing. . .. Attaching tubing to vapor implant.
4. Insert the implant and.tubing down the inside diameter of the probe rods until it stops.Note the length of the tubing inserted to assure that the desired depth has been%reached by the implant (the implant must clear the end of the probe rods). Allow the.excess tubing to extend out of the top of the probe rods. . .
5. Pour glass beads (AT-84) down the inside diameter of the probe rods using a funnel.Use the tubing to "stir" the glass beads into place around the implant. Do not lift upon the tubing while placing beads. . . .
Pull the probe rods out of the hole an additional 18 "-24" using a manual jack or chainuller. (A regular pull cap cannot be used.) Exert downward pressure on the tubing
'while pulling to avoid pulling the tubing up with the rods.
7. Pour bentonite seal mixture (AT-85) down the inside diameter of the probe rods. Stirthe mixture into place using the tubing as before. It may be desirable .to "chase"; theseal mixture with distilled water to initiate the seal.
Pouring glass beads into probe8. Pull the remainder of the probe rods out of the hole .in the same manner as in Step 6. . rods to create permeable layer
Backfilling with sackrete (cement/sand) or bentonite sand mix may be done white around implant. •removing t h e rods. ; • • . • • . .
9. Cut the tubing to the desired length at the surfaceand attach a tubing connector or plug.
10. Mark the sample location with a pin flag or stake.Point is ready for sampling now.
Uses:• Landfill monitoring • Remediation projects
• U.S.T. monitoring • Radon gas monitoring JSrSL™* **• PU"er ***'!
«'ng carbon dioxide andt level at vapor implant'
OO Geoprobe Systems s
AR3Q0399
VAPOR SAMPLING TOOLS - New Gadgets
Probe Rod Pull PlatePart No. AT-122Use this tool for pulling probe rods when aregular pull cap cannot be used such as whenplanting permanent vapor implants. A chain(not included) is required for operation.
AT-122 Pull Plate Using Pull Plate
PRT Implant AnchorPart No. PR-14Dual purpose drive point and anchor same as AT-14 exceptfor tapped center that fits PRT adapters. Insert perforatedteflon or polyethylene tubing with PRT "dummies" before. __disengaging point to create a mini monitoring point for water < J PR J4or vapor sampling. Use with regular AT-13B expendablepoint holder.
»RT "Dummy Adapters"Solid PRT Adapters (no bore) fit same sizes of tubing as regular PRT adapters.Stainless Steel. For use with PR-14 Implant Anchors and selected tubing.
PR-12D (fits fc" I.D. tubing) ____• .PR-17D (fits 3/j6" I.D. tubing) ^ jj—————|————{
ZUPR-25D (fits'4"I.D. tubing)PR-30D (fits %;" I.D. tubing)
PR-17D
Post Run Point PopperPart No. PR-15Use in conjunction with extension rods, to dislodge expendablepoints from point holder at the bottom of the hole. This issometimes necessary when "0"-rings are used with drive points.Fits through PRT point holder adapter threads. PR-15
The Tools For Site Investigation 27AR300UOO
VAPOR SAMPLING TOOLS - The Vacuum/Volume System
rntable Vac/Vol SystemPart No. AT-1001Designed for programmed extraction of soil gas vaporsfrom probe cavities. Eleven liter vacuum tank with .12volt DC diaphragm pump and gauge calibrated in bothtank volume and vacuum pressure. Capable of a vacuumup to 21" hg. Also includes a sampling valve, a linevacuum gauge, and a pump control switch. The vacuumtank gauge provides an accurate measurement of purgevolume from the probed hole and allows regulation ofthe maximum applied vacuum. The line vacuum gaugeindicates pressure at the probe head during vaporsampling. Weight: 35 Ibs. '.
•• Volume/PressureVacuum / \\ Gauge . /—Control" Vacuum/Volume System (front)Pump / p Unc Regu|atjng —. / Pane' mounted in a Geoprobe equipped van.
Valve
Sample LinePressure Gauge
Electrical.Switch
Vacuum/ . Barbed Fitting.Volume for Connection toTank Sample Source
Liquid DrainValve .
Portable Vac/Vol SystemPart No. AT-1000Portable version of vac/vol. system. 12 VDC.Equipped with a cigarette lighter plug-in and 10 ft. of. cord.Weight 40 Ibs. ;
AT-1000 PortableVaccum/Volume System
28 Geoprobe Systems
VAPOR SAMPLING TOOLS - Vacuum/Volume System - Operation
Operating Instructions for AT-1000 and AT-1001 Vacuum/Volume System
Follow these steps after probe rods have been driven to sampling depth and expendable orretractable point has been disengaged or after PRT tubing has been attached:
1. Turn the vacuum pump on and allow pressure to build in the vacuum tank. Make surethat the line valve is closed before starting the pump. The inside scale of the vacuumgauge is calibrated in inches Hg. The outside scale is calibrated for volume in liters (atstandard temperature and pressure). Build the pressure to the desired vacuum and turnthe switch off.
2. Attach the vacuum hose to the top of the soil, vapor sampling train (i.e. to sampling capon top of probe rods or to PRT tubing).
Vacuum gauge calibrated in3. Open the line control valve. If sampling through probe rods, evacuate 100 ml of volume inches Hg and volume in liters.
for each rod used. Some protocols may call for a minimum of 3 purge volumes to beevacuated before sampling (i.e 9 foot depth = 3 rods x 100ml x 3 =• 900ml). If usingPRT tubing, evacuate the appropriate volume to purge the ambient air in the system.You may choose to purge a standard volume at each sample location.
4. After achieving sufficient purge volume quickly close the line valve and allow sampleline pressure to return to zero (0). This returns the sample train to atmosphericpressure. The sample can be collected at this time.
Pointers • Control panel with line control valve and
If the needle on the line valve does not move, it may indicate that the soil at thesampling depth is saturated or that the pore space is too tight to yield a sample. Itcould also indicate that the sampling train is plugged.
If the needle moves back to zero very quickly, it indicates that the soil at the samplingdepth is very permeable or that there is a leak in the sampling train. You can check forleaks by laying out the sampling train and plugging the sampling end with a rubberstopper and applying a vacuum to it You may want to do this before sampling.In some soils the needle may return to zero very slowly. The time it takes for the needleto return to zero is called the "recovery" time It should be noted for each sampletaken. This information will allow relative comparison of soil permeability. Recoverytimes greater than 10 minutes should be considered suspect. The effect of any leakagein the sampling system is increased with longer recovery times. After 10 minutes, theoperator should consider either changing the sampling depth, location, length of pull-back from the sampling tip, or switching entirely from soil-gas sampling to grabsampling and analysis of soil. ....._. . .. . ' . , . . . .
Vacuum volume system (right)mounted in Geoprobe lab van.FID compressed air system on left.
The Tools For Site Investigation 29
SOIL SAMPLING TOOLS - Probe Drive System/Operation
The Probe-Drive Soil Sampling SystemSoil Samplers that remain completely sealedwhile being pushed or driven to depth...
Typical ApplicationsRetrieval of Discrete Soil Samples at Depth Using Driven Probes
• Soil Sampling Beneath UST sites. • Hazardous waste site investigations.• Studies of chemical dissipation • Property transaction surveys.
with soil depth. . Chemical carryover/residue studies.• Pesticide studies.
Using a truck mounted Geoprobe Model8-M Hydraulic Probe to drive the LargeBore Soil Sampler. >•
"Patent Pending
• Standard10 "or 24'
QCJ |"| Geoprobe Systems ~
&R30Ql*Q3
SOIL SAMPLING TOOLS - Probe Drive System/Operation
BasicsThe Probe-Drive System is a unique soil sampling systemdesigned for use with Geoprobe sampling tools. They can beused with either manually driven probe rods or Geoprobe8-series hydraulic soil probes. - .Unlike split-spoon samplers, the Probe-Drive sampler remainscompletely sealed by a piston tip at the end of the sampletube while it is pushed or driven to the desired samplingdepth. A piston stop-pin at the opposite end of the sampler isremoved by means of extension rods inserted down the insidediameter of the probe rods after the sampler has been drivento depth. This enables the piston to retract into the sampletube while the sample is taken.
PartsThe usual Geoprobe rods and driving accessories with thefollowing tools are required to sample soil using the Probe-Drive System:• Assembled Sampler • Extruder Rack *• Extension Rods • Extruder Piston*• Extension Rod Couplers• Extension Rod Handle* (except for Large Bore which uses an acetate liner for easy removal of sample)See opposite page for parts and descriptions of individualsamplers.
AssemblyntirfKK' -^ccomKIiD rac chrm<n K^Jnui AllAfter cleaning parts thoroughly, assemble as shown below. All
parts must fit tightly. Stop-Pin is reverse threaded and shouldbe tightened with a wrench so that it exerts pressure againstthe piston rod. Damage could occur during probing if pin isnot tight.
B.
_ , _. ,~^ A Cross-Sectional ViewSample Tube - - A Driving (Sealed) Position
B. Sampling Position, Stop-Pin Removed.(Soil pushes piston into tube).
•4 Standard Soil Sampler Assembly
Piston Stop-Pin
* Kansas Stainless and Large Bore Samplers feature removableDrive-Head hardened cutting shoes that thread onto the sample tube. Large
Bore Samp[er also utilizes an acetate liner inside of the sample tub.for easy removal of soil sample.
Piston Tip ".t
The Tools For Site Investigation 31
SOIL SAMPLING TOOLS - Probe Drive System/Operation
Ptobing1. Attach assembled sampler onto leading.Geoprobe probe
rod. (A 12" probe rod is recommended to start theStandard 24" and Large Bore Samplers. Replace the 12"rod with a 36" rod as soon as sampler is driven belowthe surface.)
2. Drive the sampler with the attached probe rods to the topof the interval to be sampled using manual probe roddriver or hydraulically powered Geoprobe unit.
IMPORTANT: Some soiLconditions may arrant .using aretractable or solid drive point to pre-probe the hole to thedesired sampling depth. Do not drive the sampler intobedrock or other impenetrable layer.
A Assembled Kansas Sampler attached to Ceoprobe 1" O.D.Standard Probe Rod.
Stop-Pin Removal1. If using Geoprobe, move probe unit back from top of
probe rods to allow room to work.2. Remove drive cap and lower extension rods into inside
diameter of probe rods using couplers to join rodstogether. (Fig. 1)
3. Attach extension rod handle to top extension rod.4. Rotate extension rod handle clockwise until the leading
extension rod is screwed into the piston stop-pin downhole.(Fig. 2)
FIGURE 1 5. Continue to rotate handle clockwise until reverse-threadedJoining extension rods together with couplers. stop-pin has disengaged from the drive head.
6. Remove extension 'rods and attached stop-pin from theprobe rods,
FIGURE 2Rotating extension rod handle clockwise to disengagestop-pin.
QO Geoprobe Systems
&B300U05
SOIL SAMPLING TOOLS - Probe Drive System/Operation
Sampling1. Replace drive cap onto top probe rod. (If top of probe rod
is already in lowest driving position, it will be necessary toattach another probe rod before driving.)
2. Mark the top probe rod with a marker or tape at theappropriate distance above the ground surface, (i.e. 10" forStandard Sampler, 12 " for Kansas Sampler, and 24 " forLarge Bore Sampler.)
3. Drive probe rods and sampler the designated distance Becareful not to over-drive the sampler which could compactthe soil sample in the tube making it difficult to extrude.
4. Retract probe rods from the hole and recover the sampler.1 Inspect the sampler to confirm that a sample wasrecovered.
A A recovered standard soil sampler.
Machine Extrusion(Standard and Kansas Samplers)1. Disassemble sampler. Remove all parts.2. Position extruder rack on the foot of the Geoprobe derrick
as shown. (Fig. 3)3. Insert sample tube into extruder rack with the cutting end up.4. Position the extruder piston and push sample out of tube
using the "probe" function on the Geoprobe Catch thesample as it is extruded beneath the extruder.
CAUTION: Use care when performing this task. Applydown pressure gradual!}/. Use of excessive force could resultin injury to operator or damage to tools.
Soil Sampling at depthusing a probe-drive soilsampler. Piston tip and
rod retract duringsampling.
FIGURESUsing Geoprobe to
extrude soil samples.
The Tools For Site Investigation AR300U06
SOIL SAMPLING TOOLS - Probe Drive System/Standard Sampler
lard Probe-Drive SamplerAT-60 SeriesThe original probe drive sampler, featuring a single piece thinwall tube with a built-in cutting edge. Recovers discrete soilsamples 8.75" long x .96" diameter (106 ml). Can sample toworking depth of soil probe. The twenty-fpur inch modelrecovers 21.25" long core (257 ml). The easiest drivingsampler of the Probe Drive family. , .Actual size of sample tube
PARTSStandard (10") Sampler PartsAT-60B STD Drive HeadAT-61 STD Piston TipAT-62 STD Piston RodAT-63 STD Piston Stop-PinAT-64 STD Sample TubeAT-641 STD Tube Vinyl End CapsAT-65 STD Sample Extruder RackAT-66 STD Extruder Piston
Standard (24") Sampler Parts*AT-621 STD 24" Piston RodJ-645 STD 24" Sample Tube
es all other STD parts
PARTSParts used with all Probe-Drive SamplersAT-63 STD Piston Stop-PinAT-67 Extension Rod (Stainless)AT-68 Extension Rod CouplersAT-69 Extension Rod Handle
Standard Probe Drive Sampler Parts
AT-63 , ;;
>
f AT-68
AT-67
i~- -- -' - . UAT-65 . AT-66
Ofc |f Geoprobe Systems '£
SOIL SAMPLING TOOLS - Probe Drive System/Standard Sampler
PARTSStandard Probe Drive Sampler KitPart No. AT-60KIncludes the following parts:(2) AT-60B (2) AT-63 (1) AT-65(2) AT-61 (12) AT-64 (4) AT-66(2) AT-62 (24) AT-641
(8) AT-67(8) AT-68(1) AT-69
Assembled Standard Sampler
Standard Sampler Parts
DiscountsThe following parts are replaced frequently. Geoprobe offers adiscount on these pre-packaged parts.
PARTS12 Standard Sample TubesPart No. AT-64KIncludes the following parts:(12) AT-64 STD Sample Tubes(24) AT-641 STD Vinyl End Caps
6 - 24" Samples TubesPart No. AT-645KIncludes the following parts:(6) AT-645 STD 24" Sample Tubes
(12) AT-641 STD Vinyl End Caps
100 Vinyl End CapsPart No. AT-641 K
Pre-packaged parts available for fast shipment.
The Tools For Site Investigation
SOIL SAMPLING TOOLS - Probe Drive System/Kansas SamplerSOIL SAMPLING TOOLS
Sas Stainless SamplerAT-650 SeriesFeatures a stainless steel sample tube and replaceable hardenedcutting shoe. Specially designed to recover sample cores a full12" long x 1" diameter (158 ml). Able to sample to working . \A 1-000" \^ 1.250"depth of soil probe unit. Uses STD Sample Extruder Rackand STD Piston Stop-Pin. Hardened cutting shoe .makes thisa good sampler for rocky soil,
" • ': I
Actual size of sample tube
PARTSKansas Stainless Sampler PartsAT-650 KS Cutting Shoe AT-653AT-651 KS Drive Head AT-654AT-652 KS Stainless Tube- AT-656
KS Piston TipKS Piston RodKS Extruder Piston
AT-650 Kansas Stainless Sampler
Sampler Alloy Steel Tubefes stainless sample tube for Kansas Sampler. Made ofdloy steel with black corrosion, resistant finish. This
tube should be used in rockier soils.
PARTSKansas Sampler Steel Alloy TubeAT-657 KS Steel Tube
KITSAssembled Kansas Stainless SamplerPart No. AT-650KIncludes the following parts:(2) AT-650 (1) AT-652 (1) AT-654(1) AT-651 (1) AT-653 (1) AT-63
Assembled Kansas Steel SamplerPart No. AT-657KIncludes the following parts:(2) AT-650 (1) AT-657 (1) AT-654(1) AT-651 (1) AT-653 (1) AT-653
Assembled Kansas Sampler attached to Geoprobe 1" O.D.Standard Probe Rod.
36 oeop b. Syrtem,' RR30QU09
SOIL SAMPLING TOOLS - Probe Drive System/Kansas Sampler
Kansas Sampler Extruder AssemblyPart No. AT-656Features steel rod with replaceable stainless steel piston. Foruse with AT-65 extruder rack and hydraulic probe. For usewith Kansas sample tubes only.
Kansas sample tube (top) and extruder assembly AT-656
PARTSKansas Sampler Extruder PartsAT-656-1 KS Steel Extruder RodAT-656-2 KS Stainless Extruder Piston
Kansas Sampler ExtruderAssembly
Kansas Sampler Manual ExtruderPart No. AT-658For extruding soil samples from Kansas style sample tubes.Tube screws into end of extruder. Ratchet action advancespiston to extrude soil samples. Ideal for laboratory use.
Kansas Sampler Manual Extruder
Sample tubes screw into end of extruder.
The Tools For Site Investigation n p 3 Q 0 U I 0 37
SOIL SAMPLING TOOLS - Probe Drive System/Large Bore
CLarge Bore SamplerAT-660 SeriesFeatures nickel plated sample tube, replaceable hardenedcutting shoe, and removable acetate liner. Recovers cores24" long x r/8" diameter (400 ml). Recommended for " H . ,-g,, V\ __„sampling depths up to 12 feet. Uses STD Piston Stop-Pin. V{ {/]Use where larger sample volume and visual, examination ofintact core is desired.
Actual size of sample tube
'Note: Acetate liner snaps over interior end of cutting shoe.
PARTSLarge Bore Sampler PartsAT-660 LB Cutting Shoe AT-663 LB Piston TipAT-661 LB Drive Head AT-664 LB Piston RodAT-662 LB Sample Tube AT-665 LB Acetate Liner
Large Bore Sampler Brass Linercomes in 4 - six inch sections aligned in an outer
End piece is flared to fit over interior end of .. Weight 10 oz. each.
PARTSAT-666 LB Brass Liner
KITSLarge Bore Assembled KitPart No. AT-660KIncludes the following parts:(2) AT-660 (1) AT-662 (1) AT-664(1) AT-661 (1) AT-663 (10) AT-665
(1) AT-63
Note to users: A 12 " section of probe rod(AT-1D6B) should be used to initially drive thissampler into the ground.
AT-666 Brass Liner. Easily separated for removal of soil samples.
DiscountsThe following parts are replaced frequently. Geoprobe offers adiscount on these pre-packaged parts.
Iflp1 PFLB Acetate Liners( art No. AT-665K
P f| Geoprobe Systems -
&R300M \
SOIL SAMPLING TOOLS
Shelby Tube Sampling KitAT-70 SeriesAllows use of Geoprobe machine to push 2 " diame(shelby) tubes. These tools have been successfully uto depths in excess of 5' in cohesive soils. The Extr(Part No. AT-71) allows the use of the hydraulic systGeoprobe Machine for extrusion of soil samples froShelby Tubes. . ..
- Shelby Tubes
iter thin wallsed to sampleuder Bracketem on them 2 " diameter
PARTSShelby Tube Sampler PartsAT-710 Tube Sampler HeadAT-73 2" Diameter x 30" Sample TubeAT-16B Sampler Sub (Geoprobe Male x AW)
p 1" 'h I• • f
\ •i
\
Shelby Tube Sampler Parts AT-16B(top), AT-710 (middle), AT-73(bottom). Sample tube attaches tosampler head with hex bolts.
Shelby Tube ExtruderExtruder Rack (AT-71) fits onto foot of Geoprobe in horizontalposition. Latch (AT-70) secures sample tube against rack to holdtube in place. Piston (AT-72B) threads into end of AT-10B proberod. Geoprobe machine is put into lateral position and usesprobe as ram to push out,soil sample.
AT-70
•*-. 1r I
"
•//•/A ' ———— n ——————————————————————————— r<AT-72AAT-71
Extrusion of Soil Sample
PARTS Shelby Tube Sampler KitShelby Tube Extruder PartsAT-70 Extruder LatchAT-71 Shelby Extruder RackAT-72B Extruder Piston
KITS
Part No. AT-70KIncludes the following parts:(1) AT-710 (1) AT-71B(1) AT-70 (15) AT-73(1) AT-71 (1) AT-16B
The Tools For Site Investigation 39AR300M2
MANUAL SAMPLING TOOLS
Manual Probe Rod DriverPart No. AT-23All steel construction with no moving parts. Thistraditional-style driver has been used to. effectively driverods to over 18 ft. Weighs over 30 Ibs. Must be used inconjunction with probe rod jack for removing rods.
AT-23 Manual Driver
Hammer Anvil AdaptersPart No. AT-221 ' "/8" x 4 "A " shank (fits Wacker)Part No. AT-222 1" x 4>/4" shank (fits: Wacker)Part No. AT-223 % " x 4 " shank (fits Bosch)Allows user to drive Geoprobe brand probe rods with popular
; electric hammer drills/breakers. Hardened steel withIon resistant finish.
Wacko Anvils (left)and Bosch Anvil (right)
Probe Rod JackPart No. AT-99Specially designed jack for manually removing Geoprobe 1"probe rods. Jack handle is collapsible and attaches to base foreasy storage and transport. Ideal for pulling manually drivenprobe rods or as a back-up tool for the Geoprobe. Liftcapability is over 4500 Ibs. Chuck piece is interchangeable sojack may be used to pull other sizes of rods and pipe. Willwork on slide hammers.
«!
;lick Piece
b. AT-98fees chuck piece on AT-99 Probe Rod Jack. A 3 in 1 tool
pulling W, %", or %" slide-hammer ;rods or pipe. AT-99 Probe Rod Jack pulling Probe Rod Jack with AT-98 Chuckprobe rod. Piece removing slide hammer.
11
MANUAL TOOLS - KITSW
Basic Manual Tool KitIncludes the basic tools needed to use Geoprobe sampling attachments.Comes with 12'of probe rods for 10'depth capability.Purchase additional sampling kits for a complete sampling system.
KITBasic Manual Tool KitPart No. AT-10KIncludes the following parts:(1) AT-23 Manual Probe Rod Driver(1) AT-99 Probe Rod Jack
(4)(2)
AT-10B Probe RodsAT-11B Drive Cap
Soil Gas Sampling Kits
KITPRT Soil Gas Sampling KitPart No. PR-13KIncludes the following parts:(2) PR-13B PRT Expendable Point Holder(4) PR-17S PRT Adapter(1) PR-25R PRT "0"-rings (pkg of 25)(100) AT-14 Expendable Drive Points(1) TB-17L 500'1A" Polyethylene Tubing
Soil Sampling Kits (See Section 5)AT-60K Standard Probe Drive Sampler Kit - pg. 35AT-650K Kansas Sampler Assembled Kit - pg. 36AT-660K Large Bore Sampler Assembled Kit - pg. 38
Ground Water Sampling Kits (See Section 3)GW-43K Mill Slotted Assembly - pg. 15GW-440K Screen Point Sampler Assembly - pg. 16
The Tools For Site Investigation RR300U1U
LABORATORY ACCESSORIES
Compressed Air SystemPart No. AT-1004An air compressor/storage system with dessicant and organicremoval capability used to provide hydrocarbon free air for flameionization detector operation. This system includes an oilless aircompressor, 2 gal. air storage tank, pressure switch for automaticoperation of compressor, single stage pressure regulator,drierite/mole sieve gas purification cartridge, and activated carbongas purifier cartridge. Compressor will operate approximately1 minute every 15 minutes for typical FID operation.
./>;ji '* •- -" * ——— - -v ••"•'.-v*;- >--''.• ?»< *""'*• 3
AT-1004 FID Compressed Air System.
^ tets to the floor and wall of a cargo van or pickup truck.
Vertical Gas Bottle Rack p*Part N o . AT-1002 I IUsed for securing compressed gas cylinders in mobilelaboratories. Holds two "Q" size (35" length) gas bottles..Maximum clearance is 45". Tie-down strap is included. n
AT-1002
Horizontal Gas Bottle RackPart No. AT-1003Holds two compressed gas bottlesof variable length up to "T" size(60" length). Two tie-down straps areincluded. Equipped with cylindercradles for easy loading and unloading.of compressed gas bottles from carriervehicle, and to allow for use of universalsize gas bottles. Common gases used ,are ultra-pure nitrogen, hydrogen, and __________ ____ __compressed air. Must be bolted to the AT-1003 mounted in Geoprobe Lab Van7•and wall of a cargo van or • AT-1003
p truck. , '
42 AR300U5
REPLACEMENT PARTS
Hydraulic Cylinder Seal KitsWhen hydraulic cylinders require maintenance.these seal kits are readily available fromGeoprobe Systems.Fold Cylinder Seal KitPart No. RP-2376
Extend Cylinder Seal KitPart No. RP-2367Foot Cylinder Seal Kit Fold CylinderPart No. RP-2378
Probe Cylinder Seal Kit ^——————____.—r~1Part No. RP-2368 TL - /(For Geoprobe Units with \__________Serial No. 9208R1 and lowermanufactured before 4/1/1992)
Probe Cylinder Seal Kit Extend c-vtinderPart No. RP-2772(For Geoprobe Units withSerial \'o. 9209R1 and higher Foo( Cvlin£j;rmanufactured after 4/1/1992)
Probe Cylinder
Reverse Threaded Die TapPart No. RP-631Die Tap for repairing damaged reverse-threaded fittings for AT-63 stop-pinon probe drive soil sampler drive heads (AT-60B, AT-651. and AT-661).
immwtmmmmmummmw
RP-631
4tGeoprobe" White Touch-Up PaintPart No. RP-1583Matches finish on most Geoprobe machines, probe rod racks, andvacuum/volume tanks.11 oz. Spray Can
RP-1583
For other Geoprobe parts and components, please call usand have the following information ready:Geoprobe Serial Number (found on control panel)Year, Make, and Model of Carrier Vehicle
The Tools For Site Investigation 43HR300UI6
TOOL INDEX
Part No. Description Page Part No. Description . PageAT-10B Probe Rod (36").....................8 AT-32 Drill Steel (18")..................... 14AT-10K Basic Manual Tool Kit ............... 41 AT-33 Drill Steel (24'0 .................... 14AT-100 Cleaning Brush...................... 12 AT-34 Drill Steel (30") .................... 14AT-101 Cleaning Brush Adapter.............. 12 AT-35 Drill Steel (36") .................... 14AT-150B Probe Rod (24rr).....................8 AT-36 Carbide Tipped Drill Bit.............. 14AT-106B Probe Rod (12")..................... 8 AT-37 Drill Bit - 2" Diameter.......... i . . . . 14AT-11B Drive Cap.......................... 8AT-118 Silicone Tubing Adapter.............. 19 AT-5800 GSK-58 Hydraulic Hammer........... 13AT-12B Pull Cap......... ..'.................8 :AT-120B Chain Assisted Pull Cap ............... 8 AT-60B STD Drive Head....................34AT-122 Probe Rod Pull Plate................ 27 AT-60K STD Sampler Kit................... 35AT-13B Expendable Point Holder.............. 9 AT-61 STD Piston Tip .................... 34AT-14 Expendable Drive Point....../....... .9 AT-62 STD Piston Rod....................34AT-14R Drive Point "0"-rings..:.............. 9 AT-63 Piston Stop (for KS, LB, STD)......... 34AT-142B Solid Drive Point....................9 AT-64 STD Sample Tube ................34, 35AT-145 1.6"Expendable Drive Point...........9 AT-65 Extruder Rack (for KS, STD).......... 34AT-15B Gas Sampling Cap .................. 19 AT-66 STD Extruder Piston ................ 34AT-15R "0"-rings for AT-15B ................ 19 AT-67 Stainless Extension Rod ........... 12, 34AT-153 Capped Insert Adapter ............... 19 AT-68 Extension Rod Couplers.............. 34'•153R "Cr-rings for AT-153................. 19 AT-69 Extension Rod Handle ............ 12, 34|155B hsert Adapter Cap.................. 19 .". " .•16B Sampler Sub .................... 11, 39 AT-621 STD 24" Piston Rod ................ 34
AT-160B Thread Chaser ..................... 12 AT-641 Vinyl End Caps .................. 34, 35AT-17A Male A to Female B Adapter........... 11 AT-641K Vinyl End Caps (box 100)............. 35AT-17B Male B to Female A Adapter........... 11 AT-645 'STD 24" Sample Tube. ...........34, 35AT-18 NPT Drive Cap (1")......,.. .........11 AT-645K STD 24" Sample Tube (box 6)......... 35
AT-650 KS Cutting Shoe ................... 36AT-1000 Portable Vacuum/Volume System ....... 28 AT-650K KS Sampler Assembled Kit ............ 36AT-1001 Mounted Vacuum/Vblume System ....... 28 AT-651 KS Drive Head ..................... 36AT-1002 Vertical Gas Bottle Rack..............42 AT-652 KS Stainless Sample Tube ............ 36AT-1003 Horizontal Gas Bottle Rack ........... 42 AT-653 KS Piston Tip ......... ........... 36AT-1004 FID Compressed Air System. ..........42 AT-654 KS Piston Rod ..................... 36AT-1005 Fast Drill Air System................. 14 AT-656 KS Extruder Assembly............... 37
. AT-656-1 KS Extruder Rod ................... 37NPT Pull Cap (1")................... 11 AT-656-2 KS Stainless Ex. Piston Tip ........... 37Retractable Point Assembly ........... 10 AT-657 KS Alloy Steel Tube................. 36Retractable Point Housing ............ 10 AT-658 KS Manual Extruder ................ 37Retractable Point Shaft............... 10 AT-660 LB CuttingShoe ................... 38Retractable Point Balls ............... 10 AT-660K LB Sampler Assembled Kit ........... 38Retractable Point "0"-Rings........... 10 AT-661 LB Drive Head....,...'............. 38
• Manual Probe Rod Driver.......... 40,41 AT-662 LB Nick. Plated Sample Tube ......... 38Rod Extractor ....................... 8 AT-663 LB Piston Tip ..................... 38GSK-58 Hammer Anvil................ 13 AT-664 LB Piston Rod ..................... 387/8" Wacker Anvil .................. 40 AT-665 LB Acetate Liner ................... 381" Wacker Anvil..................... 40 AT-665K LB Acetate Liners (box 130)........... 38Bosch Hammer Anvil................40 AT-666 LB Brass Liner. ....................38
hh f| Geoprobe SystemsAR300M7
TOOL INDEX
Part No. Description Page Part No. Description PageAT-70 Extruder Latch......................39 PR-12D Stainless 1/8" Dummy Adapter.........27AT-70K Shelby Tube Sampler Kit............. 39 PR-12S Stainless 1/8" PRT Adapter........... 23AT-71 Extruder Bracket................... 39 PR-13B PRT Expendable Point Holder....... 9, 23AT-72 Shelby Extruder Piston .............. 39 PR-13K PRT Soil Gas Sampling Kit ........... 41AT-73 2" Dia. Sample Tube ................ 39 PR-14 PRT Implant Anchor................ 27AT-710 Tube Sampler Head Assembly ......... 39 PR-15 Post Run Point Popper...........; ... 27
PR-17D Stainless 3/16" Dummy Adapter ........ 27AT-80 Porous Implant..................... 24 PR-17S Stainless 3/16" PRT Adapter .......... 23AT-82 1/8" Stainless Tubing (50')......... 24, 25 PR-21B PRT Retractable Point Holder...... 10, 23AT-83 Top Connector..................... 24 PR-25D Stainless 1/4" Dummy Adapter......... 27AT-84 .Glass Beads (250 ml Bag)............. 24 PR-25R "0"-rings for PRT (25)............... 23AT-85 Bentonite Mix (250 ml Bag)........... 24 PR-25S Stainless 1/4 " PRT Adapter ........... 23AT-86-12S Screen Implant for 1/8 "I.D. tbg........25 PR-30D Stainless 5/16" Dummy Adapter........27AT-86-17S Screen Implant for 3/16 "I.D. tbg. ...... 25 PR-30S Stainless 5/16" PRT Adapter .......... 23AT-86-25S"' Screen Implant for 1/4" I.D. tbg ........ 25AT-86-30S Screen Implant for 5/16 "I.D. tbg. ... ...25 RP-25 . GSK-58 Hammer Latch .............. 13AT-86-SW Screen Implant w/S\vagelok 1/8" ....... 25 RP-251 Hammer Latch Tool................. 13
RP-631 Reverse Threaded Die Tap ............ 43AT-98 Chuck Piece.....'................. .40 RP-1583 Geoprobe White Touch-Up Paint....... 43AT-99 Probe Rod Jack................,....40 RP-2367 Extend Cylinder Seal Kit............. 43
RP-2368 Probe Cylinder Sealt Kit Type 1....GW-41 Stainless Steel Mini-Bailer ............ 15 RP-2376 Fold Cylinder Seal Kit ...........GW-41-1 Mini-Bailer Check Ball............... 15 RP-2378 Foot Cylinder Seal Kit...........GW-42 Bottom Check Valve................. 18 RP-2772 Probe Cylinder Seal Kit Type 2 ........ 43GW-42-1 Check Balls for GW-42 ............... 18 RP-4756 GSK-58 Latch Washer ............... 13GW-43B Mill Slot Drive Head................. 15 RP-4758 GSK-58 Spring..................... 13GW-43K Complete Mill Slotted Assembly ........ 15 RP-4659 GSK-58 Spring Back Up.............. 13GW-44 Mill Slotted Rod Section.............. 15 RP-4761 GSK-58 Wire Ring .................. 13GW-440 Screen Point Sampler Sheath ....... 16, 17GW-440-1 Drive Point Seat................. 16,17 TB-12T 1/4" x 1/8" Teflon 50ft............ 23, 25GW-440K .Assembled Screen Point Sampler .... 16,17 TB-17L 1/4" x .170" Polyethylene 500 ft. . 23, 25,41GW441 Screen Sleeve................... 16,17 TB-17T 1/4" x 3/16" Teflon 50 ft........... 23, 25GW-442 Screen Plug .................... 16,17 TB-25L 3/8" x 1/4 " Polyethylene 500 ft... 18, 23, 25GW443 Screen Connector................ 16,17 TB-30T 3/8" x 5/16" Teflon 50 ft........... 23, 25GW-443R Screen Connector "0"-ring.'........ 16,17.GW-444 Stainless Screen Insert ............ 16,17GW-445 GW Expendable Drive Point........... 17GW-445R GW Drive Point "0"-ring ............. 17GW-446 Extension Rod Ram ................. 17
.43
t
The Tools For Site Investigation 45AR3QOM8
