· National Nuclear Security Administration Christine Andres, Chief Bureau of Federal Facilities Department of Energy National Nuclear Security Administration Nevada Field Office

rrIr'I

r-,

NevadaEnvironmentalRestorationProject

DOEINV--743

Closure Report forCorrective Action Unit 417:Central Nevada Test AreaSurface, Nevada

Controlled Copy No.:__

r,

't\ Revision: 1

November 2001

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.-

Environmental RestorationDivision

u.s. Department of EnergyNational Nuclear Security AdministraticnNevada Operations Office

/s/ Pete Sanders for Monica Sanchez

/s/ Robert M. Bangerter Jr. for Runore Wycoff.

/s/ Paul Liebendorfer

National Nuclear Security Administration

Christine Andres, Chief Bureau of Federal Facilities

Department of Energy National Nuclear Security Administration

Nevada Field Office P.O. Box 98518

Las Vegas, NV 89193-8518

JUN s· Z015

Division of Environmental Protection 2030 East Flamingo Road, Suite 230 Las Vegas, NV 89119-0818

SUB MITT AL OF THE RECORD OF TECHNICAL CHANGE (ROTC) NUMBER DOE/NV--743 ROTC 3 FOR THE FINAL CLOSURE REPORT, REVISION 1, FOR CORRECTIVE ACTION UNIT 417: CENTRAL NEV ADA TEST AREA - SURF ACE, NEV ADA, NOVEMBER 2001

Enclosed for your records is one uncontrolled copy of the Record of Technical Change DOE/NV- 743 ROTC 3 for the subject document.

Please direct comments and questions to Mark Kautsky, Office of Legacy Management, at (970) 248-6018.

EMO:l 1306.CD

Enclosures: As stated

cc w/o encl. via e-mail: Mark McLane, NDEP Mark Kautsky, DOE/LM J. T. Fraher, DTRA/CXTS FF ACO Group, NFO NFO Read File

~ obert F. Boehlecke, Manager

Environmental Management Operations

RECORD OF TECHNICAL CHANGE

Technical Change No. OOE/NV--743 ROTC 3 Page of __ _

Activity Name Central Nevada Test Area-ROTC forCAU 417 Closure Report Date April 29. 2015

The following technical changes (including justification) are requested by:

Mark Kauts!cy (Name)

Description of Change:

Site Manager. Deoartment of Energy/Office of Legacy Management (Title)

Page 50, Section 5.1.3, The following sentences shalt be added to the end ofthe first paragraph: As per the February 2015 Path Forward letter (dated February 25, 2015), the following was decided:

• Remove requirements for continued monitoring of soil moisture and subsidence from the UC-1 CMP and UC-4 Mud Pit. (The fences and engineered soil covers provide additional controls that prevent any inadvertent intrusions to the underlying drilling mud; these engineering controls will remain in place.)

• Continue visual inspections at all the sites and provide photographs of selected sites to document the health and stability of the vegetation at the UC- I CMP cover.

• Prepare a brief report every 2 years to document the inspections. This requirement is in accordance with ROTC OOE/NV-743 ROTC 2 dated March 23, 2011, that changed the reporting schedule to every other year for the next JO years, starting in 2010 (first report in 2012) and ending in 2020.

Justification: The change was made in mutual agreement with NDEP and is based on soil moisture data from the UC-I Central Mud Pit and subsidence data from the UC-1 Central Mud Pit and UC-4 Mud Pit collected over the past 14 years.

The task time will be unchanged.

Applicable Activity-Specific Document(s):

Closure Report for Corrective Action Unit 417: Central Nevada Test Area, Surface, Nevada, Revision: I

Approved By: Date S- t"S-'Zoo 15

Date

II

DISCLAIMER STATEMENT

Reference herein to any specific commercial product, process, or service by trade name,trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement,recommendation, or favoring by the U.S. Government or any agency thereof or its contractors orsubcontractors.

AVAILABILITY STATEMENT

Available for sale to the public from-U.S. Department of CommerceNational Technical Information Service5285 Port Royal RoadSpringfield, VA 22161-0002Telephone: 800.553.6847Fax: 703.605.6900E-mail: [email protected] ordering: http://www.ntis.gov/ordering.htm

Available electronically at http://www.doe.gov/bridge

Available for a processing fee to U.S. Department ofEnergy and its contractors, in paper, fromU.S. Department of EnergyOffice of Scientific and Technical InformationP.O. Box 62Oak Ridge, TN 37831-0062Telephone: 865.576.8401Fax: 865.576.5728E-mail: [email protected]

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1

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DISCLAIMER Portions of this document may be illegible in electronic image products. Images are produced from the best available original document.

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JAN I 0 L002

Department of EnergyNational Nuclear Security Administration

Nevada Operations OfficeP.O. Box 98518

Las Vegas, NV 89193-8518

Northern Nevada Public Reading RoomNevada State Library and Archives100 N. Stewart St.Carson City, NV 89701-4285

Southern Nevada Public Reading RoomP.O. Box 98521, MIS NLV 040Las Vegas, NY 89193-8521

SUBMITTAL OF THE FINAL CLOSURE REPORT FOR CORRECTIVE ACTION UNIT 417:CENTRAL NEVADA TEST AREA SURFACE, NEVADA, NOVEMBER 2001

The Federal Facility Agreement and Consent Order (FFACO) requires that the encloseddocument is available to the public through the FFACO Public Reading Rooms. The followingcopies have been provided for submittal into the FFACO Public Reading Room collection inaccordance with the DOEINV Distribution Processfor FFACO Documents.

Southern Nevada Public Reading Room: 1 controlled copy1 uncontrolled copy

Northern Nevada Public Reading Room: 1 uncontrolled copy

Please direct comments and questions to Peter A. Sanders, of my staff, at (702) 295-1037.

ERD:PAS

~£i~'-eZLRunore C. Wycoff, i ctor / CEnvironmental Res ration ivision

Enclosure:As stated

cc wlencl. (controlled):Public Reading Room Coordinator, IT,

Las Vegas, NV

Multiple Addressees

cc wlenel. (uncontrolled):TIRC, NNSAlNV, Las Vegas, NYBN Document Production .. ...(electronic copy to OSTI)

-2- JAN 16 2002

cc wlo end:M. A. DeBurle, NDEP, Carson City, NYEric Shanholtz, DTRA, Mercury, NY

'"""" LTC P. M. Loomis, DTRA, MIS 645, Mercury, NVDTRA Environmental, MIS 645, Mercury, NYBN Technical Information Officer, MIS NLV048, Las Vegas, NYG. M. Romano, IT, Las Vegas, NVK. A. Hoar, ESHD, NNSAlNV, Las Vegas, NVJ. M. Ford, OPAl, NNSAlNV, Las Vegas, NYP. L. Hall, EM, NNSAlNV, Las Vegas, NVP. A. Sanders, ERD, NNSAlNV, Las Vegas, NV

CLOSURE REPORTFOR CORRECTIVE ACTION UNIT 417:

CENTRAL NEVADA TEST AREASURFACE, NEVADA

DOEINV--743

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,-Controlled Copy No.:_

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November 2001

Prepared for the U.S. Department of EnergyNational Nuclear Security Administration

Nevada Operations Officeunder Contract No. DE-AC08-96NVI1718

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CLOSURE REPORT FORCORRECTIVE ACTION UNIT 417:CENTRAL NEVADA TEST AREA

SURFACE, NEVADA

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Approved by: ----..:+-J.~::==....:::::::::z~~~¥---M nica L Sanchez, Projecto ites Project

APProVedbY~~rEnvironmental Restoration Division

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Closure Report - CAU No. 417Central Nevada Test AreaSection: ContentsRevision: IDate: November 5. 2001

TABLE OF CONTENTS

ACRONYMS AND ABBREVIATIONS IX

EXECUTNE SUMMARY xiii

1.0 IN"TRODUCTION 11.1 PURPOSE 71.2 SCOPE 71.3 CLOSURE REPORT CONTENTS 8

2.0 CLOSURE ACTNITIES 112.1 DESCRIPTION OF CORRECTIVE ACTION ACTIVITIES 11

2.1.1 Preplanning and Site Preparation 112.1.2 Summary ofPhase 1- 1999 Field Activities 112.1.3 Closure ofCASs by No Further Action 142.1.4 Closure of CASs by Housekeeping Activities 14

2.1.4.1 USTs and Septic Tanks Closed by Housekeeping Activities 152.1.5 Closure of CASs by Site Posting 162.1.6 Closure of CASs by Excavation and Relocation ofPetroleum-Impacted

Material 172.1.6.1 Closure ofUC-1 Area S - CAS 58-10-03 172.1.6.2 Closure ofUC-1 Area Y - CAS 58-44-06 182.1.6.3 Closure ofUC-3 Area Z - CAS 58-44-03 242.1.6.4 Closure ofUC-4 Area S - CAS 58-10-02 242.1.6.5 Closure ofUC-4 Area W - CAS 58-10-04 26

2.1.7 Closure ofUC-1 Central Mud Pit - CAS 58-09-01 Corrective Actions 282.1.7.1 Site Preparation 302.1.7.2 Relocation Trench Construction 302.1.7.3 Relocation ofDrilling Mud from UC-4 Shaker Pad Area S - CAS

58-10-02 312.1.7.4 Installation of Geogrid 31

2.1.7.4.1 The Central Mud Pit 312.1.7.4.2 The UC-l Mud Relocation Trench 32

2.1.7.5 UC-1 Central Mud Pit Cover Construction - CAS 58-09-01 322.1.7.6 Establishment ofVegetative Cover 342.1.7.7 Installation ofTDR Soil Moisture Probes 342.1.7.8 ExcavationofUC-1 Cover Diversion Channels 36

2.1.7.8.1 Western Diversion Channel 362.1.7.8.2 Eastern Diversion Channel 36

2.1.8 Disposal of Other Wastes 382.1.9 Decontamination ofEquipment 38

2.2 DEVIATIONS FROM THE CAP, AS APPROVED 38

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Closure Report- CAU No. 417Central Nevada Test AreaSection: ContentsRevision: IDate: November 5. 2001

TABLE OF CONTENTS (continued)

2.3 CORRECTIVE ACTION SCHEDULE, AS COMPLETED 392.4 CUA 417 FINAL SURVEY AS-BUILT DRAWINGS 40

3.0 WASTE DISPOSITION 43

4.0 CLOSURE VERIFICATION RESULTS 454.1 DATA QUALITY ASSESSMENT 454.1.1 VERIFICATION SAMPLE ANALYSES 454.2 LAND-USE RESTRICTIONS 47

5.0 POST-CLOSURE MONITORING PLAN 495.1 POST-CLOSURE MONITORING REQUIREMENTS 49

5.1.1 Site Inspections 495.1.2 Cover Monitoring 505.1.3 Compliance Criteria 505.1.4 Site Maintenance and Repair 5I5.1.5 Annual Reporting 52

6.0 SUMMARY AND RECOMMENDATIONS 536.1 SUMMARY 536.2 RECOMMENDATIONS , .. 53

7.0 REFERENCES 55

APPENDICES

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APPENDIX A:

APPENDIXB:

APPENDIXC:

APPENDIXD:

APPENDIXE:

VERIFICATION SAMPLING ANALYTICAL RESULTS

PROJECT PHOTOGRAPHS

AS-BUILT ENGINEERING DRAWINGS AND DESIGN CHANGENOTICES

SECTORED HOUSEKEEPING SITE CLOSURE VERIFICATIONDOCUMENTATION

UC-3 UNDERGROUND STORAGE TANK AND SEPTIC TANKCLOSURE DOCUMENTATION

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Closure Report - CAU No. 417Central Nevada Test AreaSection: ContentsRevision: IDate: November 5, 2001

TABLE OF CONTENTS (Continued)

APPENDIXG:

APPENDIXF:

APPENDIXH:

APPENDIX I:

SAMPLING, INSPECTION, TESTING, AND ACCEPTANCE (SITA)APPROVAL MATRIX/CHECKLIST

USE RESTRICTION DOCUMENTATION

POST-CLOSURE INSPECTION CHECKLISTS

NDEP DOCUMENT REVIEW SHEET

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DISTRIBUTION LIST

FIGURES

FIGURE 1 - CENTRAL NEVADA TEST AREA LOCATION MAP 2

FIGURE 2 - CENTRAL NEVADA TEST AREA VICINITY MAP 3

FIGURE 3 - CENTRAL NEVADA TEST AREA CORRECTIVE ACTION SITELOCATIONS 4

FIGURE 4 - UC-4 MUD PIT C COVER CROSS SECTION 13

FIGURE 5 - UC-l AREA S VERIFICATION SAMPLE LOCATIONS 18

FIGURE 6 - UC-l AREA Y VERIFICATION SAMPLE LOCATIONS 23

FIGURE 7 - UC-3 AREA Z VERIFICATION SAMPLE LOCATIONS 25

FIGURE 8 - UC-4 AREAS SAND W VERIFICATION SAMPLE LOCATIONS 27

FIGURE 9 - UC-l CENTRAL MUD PIT COVER CROSS SECTION 29

FIGURE 10 - UC-l CMP COVER MONITORING INSTRUMENTATION 37

FIGURE 11 - CAU 417 SCHEDULE OF ACTIVITIES AS COMPLETED 41

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Closure Report - CAUNo. 417Central Nevada Test AreaSection: ContentsRevision: IDate: November 5. 2001

TABLE OF CONTENTS (Continued)

TABLES

TABLE 1 - SUMMARY OF CLOSURE ACTNITIES 5

TABLE 2 - SUMMARY OF UC-4 MUD PIT C COVER ELEVATION SURVEY DATA ... 14

TABLE 3 - SUMMARY OF ANALYTICAL RESULTS FOR TPH IN VERIFICATIONSAMPLES 20

TABLE 4 - SEED MIXTURE USED ON THE UC-1 CENTRAL MUD PIT COVER 35

TABLE 5 - SUMMARY OF TRANSPLANTS USED ON THE UC-1 MUD PIT COVER ... 36

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Acr & AbbrRevision: 1Date: November 5, 2001

ACRONYMS AND ABBREVIATIONS

bgs

BLM

BN

CADD

CAP

CAS

CAU

COC

cm

CMP

CNTA

CR

DOE

DOEINV

EPA

ER

FFACO

ft

gal

III

below ground surface

U.S. Bureau ofLand Management

Bechtel Nevada

Corrective Action Decision Document

Corrective Action Plan

Corrective Action Site

Corrective Action Unit

Constituents of Concern

centimeter

Central Mud Pit (located at UC-I)

Central Nevada Test Area

Closure Report

U.S. Department of Energy

U.S. Department of Energy, Nevada Operations Office

U.S. Environmental Protection Agency

Environmental Restoration

Federal Facility Agreement and Consent Order

foot / feet

gallon

inch

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Acr & AbbrRevision: 1Date: November 5. 2001

ACRONYMS AND ABBREVIATIONS (continued)

•

km

L

LGP

m

mi

mg/kg

mg/L

NAC

NAD

NDEP

NNSA

NNSA/NV

NTS

QA

SITA

TDR

TPH

TTR

kilometer

square kilometer

liter

Low Ground Pressure

meter

cubic meter

mile

square mile

milligram per kilogram

milligram per liter

Nevada Administrative Code

North American Datum - either 1927 or 1983

Nevada Division of Environmental Protection

National Nuclear Security Administration

National Nuclear Security Administration Nevada Operations Office

Nevada Test Site

quality assurance

Sampling, Inspection, Testing, and Acceptance

time-domain reflectometry

total petroleum hydrocarbons

Tonopah Test Range

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Closure Report- CAU No. 417Central Nevada Test AreaSection: Acr & AbbrRevision: IDate: November 5, 2001

ACRONYMS AND ABBREVIATIONS (continued)

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uglkg

ug/L

UTM

UST

microgram perkilogram

microgram per liter

Universal Transverse Mercator

cubic yard

underground storage tank.

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Executive SurmnaryRevision: IDate: November 5, 2001

EXECUTIVE SUMMARY

This Closure Report provides the documentation for closure of the Central Nevada Test Area(CNTA) surface Corrective Action Unit (CAD) 417. The CNTA is located in Hot Creek Valleyin Nye County, Nevada, approximately 22.5 kilometers (14 miles) west ofU.S. State Highway 6near the Moores Station historical site, and approximately 137 kilometers (85 miles) northeast ofTonopah, Nevada. The CNTA consists of three separate land withdrawal areas commonlyreferred to as UC-l, UC-3, and UC-4, all ofwhich are accessible to the public. A nuclear devicefor Project Faultless was detonated approximately 975 meters (3,200 feet) below ground surfaceonJanuary 19, 1968, in emplacement boring UC-l (Department of Energy, Nevada OperationOffice [DOEINV], 1997). CAU 417 consists of34 Corrective Action Sites (CASs).

Site closure was completed using a Nevada Department ofEnvironmental Protection (NDEP)approved Corrective Action Plan (CAP) (DOEINV, 2000) which was based on therecommendations presented in the NDEP-approved Corrective Action Decision Document(DOEINV, 1999). Closure of CAU 417 was completed in two phases. Phase I field activitieswere completed with NDEP concurrence during 1999 as outlined in the Phase I Work Plan,Appendix A of the CAP (DOEINV, 2000), and as summarized in Section 2.1.2 of this document.The 34 CASs that comprise CAD 417 were closed in the following manner:

• No further action was taken at 13 CASs (17 sites): 58-05-01,58-07-01,58-05-04,58-09-05 (Mud Pits C and D only), 58-35-01, 58-05-02, 58-09-06 (Mud Pits A, B, C andD),58-1O-06, 58-19-01,58-35-02,58-44-04,58-05-04, and 58-09-03 (Mud Pit E only).

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Housekeeping activities, collecting scrap materials, and transporting to approved landfillsites at the Nevada Test Site were used to close seven CASs: 58-44-01,58-44-02,58-44-05, 58-98-03, 58-98-01, 58-98-02, and 58-98-04.

Two small underground storage tanks, CASs 58-05-03 and 58-99-01, were clean closedby excavation and removal during 1998 site characterization support activities.

Two septic tanks, CASs 58-05-05 and 58-05-06, were clean closed by backfilling withclean fill material during 1998 site characterization support activities.

Site posting with above-grade monuments, attached warning signs, and use restrictionswere used to close seven CASs (nine sites): 58-09-02,58-09-05 (Mud Pit E only),58-09-06 (Mud Pit E only), 58-10-01, 58-25-01, 58-09-03 (Mud Pits A, B, and D), and58-10-05.

Clean closure by excavation ofpetroleum hydrocarbon-impacted material with levelsgreater than the NDEP Action level of 100 milligrams per kilogram and limited regradingwas used to close five CASs: 58-10-03,58-44-06,58-44-03,58-10-02, and 58-10-04.

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Executive SummaryRevision: IDate: November 5, 2001

Construction of two engineered covers was used to close CASs 58-09-01 (UC-1 CentralMud Pit) and 58-09-03 (UC-4 Mud Pit C only) in place. The Central Mud Pit cover wasvegetated and instrumented with time-domain reflectometry sensors to monitor soilmoisture in the cover. The UC-4 Mud Pit C cover was a non-vegetated cover system thatused a geosynthetic clay liner to prevent infiltration from reaching the waste package.Following cover construction, a fence was erected around each cover and warning signsposted to prevent damage or intrusion into the covers.

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Because CAU 417 has been closed by following the approved CAP (DOE/NV, 2000) the NNSArequests the CAU 417 be promoted from Appendix ill to Appendix VI "Closed CorrectiveAction Units" of the Federal Facility Agreement and Consent Order (FFACO, 1996).

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Closure Report - CAU No. 417Central Nevada Test AreaSection: IntroductionRevision: IDate: November 5, 2001

1.0 INTRODUCTION

This Closure Report (CR) provides documentation for the closure of the Central Nevada TestArea (CNTA) surface, Corrective Action Unit (CAD) 417, in accordance with the FederalFacility Agreement and Consent Order (FFACO) (FFACO, 1996).

The CNTA is located in Hot Creek Valley, Nye County, Nevada, approximately 22.5 kilometers(Ian) (14 miles [mil) west ofU.S. State Highway 6, approximately 55 km (34 mi) north ofWannSprings, Nevada, and approximately 135 km (85 mi) northeast of Tonopah, Nevada (Figure 1).CNTA consists of three separate land withdrawal areas commonly referred to as UC-l, UC-3,and UC-4 (Figure 2). The central land withdrawal area, UC-l, spans approximately 2.6 squarekilometers (krrr') (1 square mile [mi2

]). UC-3 and UC-4 span approximately 3.9 km2 (1.5 mf)each. UC-3 and UC-4 are located roughly 4 km (2.5 mi) south and north ofUC-l, respectively.

All three CNTA land withdrawal areas are accessible to the public. The sites were obtained bythe Atomic Energy Commission (presently known as the U.S. Department ofEnergy, NationalNuclear Security Administration [NNSA]) from the U.S. Bureau ofLand Management (BLM).A nuclear device for Project Faultless was detonated approximately 975 meters (m) (3,200 feet[fi]) below the ground surface (bgs) on January 19, 1968, in emplacement boring UC-l(Department of Energy, Nevada Operation Office [DOEINV], 1997). Two other emplacementborings (UC-3 and UC-4) were drilled on this site. These emplacement borings were not usedand were subsequently closed in place in 1974 by the U.S. Atomic Energy Commission.Emplacement holes UC-3 and UC-4 are included in the CNTA subsurface CAU 443.

CAU 417 consists of34 Corrective Action Sites (CASs) (Figure 3) as listed in Appendix ill ofthe FFACO (FFACO, 1996». CAU 417 was characterized between September 1996 and June1998 in four separate field investigations. The results of the CAU 417 site investigation showthat the only constituents ofconcern (COC) detected was total petroleum hydrocarbons (TPH) inthe diesel/motor oil range whose concentration exceed the Nevada Administrative Code (NAC)Action level of 100 milligrams per kilogram (mg/kg) (NAC, 1996). The results of the sitecharacterization are presented in Appendix D of the Corrective Action Decision Document(CADD) (DOEINV, 1999). The recommended corrective actions for the 34 CASs are presentedin the CADD for CAD 417 (DOEINV, 1999). The CASs and the corrective actions taken toclose these CASs are shown in Table 1.

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Closure Report- CAU No. 417Central Nevada Test AreaSection: IntroductionRevision: 1Date: November 5, 2001

LINCOLN

I

II

f•

,..---- J•I,

~l

CENTRALNEVADA

TEST AREA

40 8OMn.ESo

o-- -- - ---

40

--------40

..MINERAL"

.., NY E

FIGURElCENTRAL NEVADA TEST AREA LOCATION MAP •

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Closure Report- CAU No. 117Central Nevada Test AreaSection: IntroductionRevision: IDate: November 5, 2001

LEGEND

Emplacement Holelocation

................. Unpaved/unimprovedroad

---Stream

.....................

(//Wann Springs ~_---I.

~\\ ......""

\:_ Moores Station ·······....

UC-4 - ........\, '.....//

UC-l_ If

(Faultless)---":"I;ji~~, /.</UC-3 .. s... .-, .s'&....

: j' ··"···.~6...·/! ···ro:;

, ! ! \~<"!

h ! ! ...... OqQ' Noname Hill

(f X\ Repeater Site

/---....'-.../ ~ {'-<.. \r ~ .-----J\\ ". i\'\ -, i ~.... <:.:( \\\£ ~\;..! \~

/ J ~ ~/ 1 \) ~ \

/ ,g--< -.~Air Force «\

Base camp \......., \

.•..•...•. \\

..... "

--

Source: AEC, 1973

SCALE

oi

5 Miles

o 10 Kilometers

FIGURE 2CENTRAL NEVADA TEST AREA VICINITY MAP

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Closure Report - CAU No. 117Central Nevada Test Area ISection: Introduction ..Revision: IDate: November 5, 2001

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o

~ Moores StationUC4 \.58-0;-0~ \\58-09-03 '" ',58-10-02 •. \,.,58-10-04 -.58 10-05 \

-..J

Central Mud ~t .. //I:~58-05-01 /! ....\58-07-01 .../! \'"58-09-01 .... I -,58-09-02 /..... / .58-35-01 ...... / .

~ (("'/"-- ,~~~~02 /! I "'\////58-05-05 UC-3 Recording./ ) \" ~58-09-06 Trailer Park ! / \. 0

58-10-01 58-05-03 !, \... %~58-10-06 58-05-06 ! \. rP

58-19-01 58-35-02 ! i! ..., ~58-25-01 : v \ ~.

58-44-03 i \ ~

58-44-04 ·\/'--..1..../ \ '058-98-01 \ ~ .58-98-02 \58-98-04 ~ I \" \58-99-01 ~) \\\ 0 I

{ \, " ~2: -,\ ~

-, ........ 0

....\ •.•...•~<,

UC-l58-09-0458-09-0558-10-0358-44-0158-44-0258-44-0558-44-06

LEGEND• Emplacement Hole

location...............Unpaved/unimproved

road--_._- Stream

FIGURE 3CENTAL NEVADA TEST AREA

CORRECTIVE ACTION SITE LOCATIONS••

4 •

TABLE 1 - SUMMARY OF CLOSURE ACTIVITIES


-

-

CLOSURE ACTIVITY

CORRECTIVEACTION SITE ="C:l CAl "C:l

G.lCl G.l = '"''"' CAl := - .•

~ '"'CAl ct ·s "C:lG.l = ~.e =-= Cl

~ •• ctrg c. := ::3~ Q •• G.l1:::=~~

G.l II) CAl~

~~~ ~~ ~"i~ r:i8UC-l Area

58-05-01 - Septic System X

58-07-01 - Decontamination Facility Pit X(same as 58-35-01)'

58-09-01 - Central Mud Pit (CMP) X

58-09-02 - Mud Pit UIA X

58-09-04 - Mud Pit UIB X

58-09-05 - Mud Pit U IC X

58-09-05 - Mud Pit UID X

58-09-05 - Mud Pit UIE X

58-10-03 - Shaker Pad Area UIS X

58-35-01 - Bum Area X(same as 58-07-01 )'

58-44-01 - Drilling Mud/Grout Piles (2) Xwest of the CMP

58-44-02 - Drilling Mud/Grout Piles (2) Xsoutheast of UC-I GZ

58-44-05 - Grout Pile northeast of XUC-I GZ Area UIX

58-44-06 - Drilling Mud/Grout Pile Area XUIY

58-98-03 - Waste Pile east of Mud Pit A X

UC-3 Area


58-05-03 - Recording Trailer Park usr- X

58-05-05 - Septic Tank southeast ofUC-3 X

58-05-06 - Septic Tank at UC-3 Recording XTrailer Park

58-09-06 - Mud Pit U3A X

58-09-06 - Mud Pit U3B X

58-09-06 - Mud Pit U3C X

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Closure Report - CAU No. 417Central Nevada Test AreaSection: IntroductionRevision: 1Date: November 5. 2001

TABLE 1 - SUMMARY OF CLOSURE ACTIVITIES (Continued)

CLOSURE ACTIVITY

CORRECTIVEACTION SITE =~ CI)

~

~ ~.E:Ql

CI)...... Ql

Ql = I = CI) =·s -e ~ ....= e Ql •• = ;. .• ='" C. QJ~ 5 ...;l 5i> •• Ql1:::~~

CI);'

~r:~.. '"

~~~ ~8riilf58-09-06 - Mud Pit U3D X

58-09-06 - Mud Pit U3E X

58-10-01 - Shaker Pad Area U3S X

58-10-06 - Drill Mud/Cuttings Area U3X X

58-19-01 - Scrap & Trash Dump" X

58-25-01 - Area E Spill Southern Outlier X

58-35-02 - Burn Area X

58-44-03 - Drill Mud/Grout Spill Area U3Z X

58-44-04 - Drill Mud/Grout Spill Area U3Y X

58-98-01 - Waste Pile west ofUC-3 X

58-98-02 - Waste Pile south of UC-3 X

58-98-04 - Waste Pile southeast ofUC-3 X

58-99-01 - UC3 UST southeast ofUC-3 X

UC-4Area


58-09-03 - Mud Pit U4A X

58-09-03 - Mud Pit U4B X

58-09-03 - Mud Pit U4C X

58-09-03 - Mud Pit U4D X

58-09-03 - Mud Pit U4E X

58-10-02 - Shaker Pad Area U4S X

58-10-04 - Shaker Pad Area U4W X

58-10-05 - Shaker Pad Area U4X X

Not Assigned - Scrap & Trash Dump east of XUC-4

•The decontamination facility pit and "burn area" were originally identified as two separate sites. However, it was laterdetermined that what was thought to be the burned material was actually part of the asphalt-covered deeon pit liner.

b Underground Storage Tank• As stated in the NDEP-approved CADD (DOEINV, 1999), this CAS was never located in the field and therefore was not

closed by housekeeping activities.

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Closure Report - CAU No. 417Central Nevada Test AreaSection: IntroductionRevision: IDate: November 5. 2001

1.1 PURPOSE

The purpose ofthis document is to:

• Document the closure activities as proposed in the Corrective Action Plan (CAP) forCAD 417 (DOEINV, 2000).

• Obtain a Notice ofCompletion from the NDEP.

• Recommend the movement of CAU 417 from Appendix ill to Appendix IV of theFFACO.

1.2 SCOPE

The following closure activities were implemented for CAU 417:

• No further action was taken at CASs: 58-05-01,58-07-01,58-09-04,58-09-05 (Mud PitsC and D), 58-35-01, 58-05-02, 58-09-06 (Mud Pits A, B, C, and D), 58-10-06,58-19-01,58-35-02, 58-44-04, 58-05-04, and 58-09-03 (Mud Pit E only).

• Housekeeping activities, including removal ofused oil filters, aerosol cans, drums, ironscrap and piping, and grout/mud piles at CAS 58-44-01,58-44-02,58-44-05,58-98-03,58-98-01,58-98-02, and 58-98-04.

• Two small underground storage tanks (USTs), CASs 58-05-03 and 58-99-01, were cleanclosed by housekeeping activities that included excavation and backfilling with clean fillmaterial during 1998 site characterization support activities.

• Two septic tanks, CAS 58-05-05 and 58-05-06, were clean closed by removing the tankcontents (58-05-05 only), and backfilling with clean fill material during 1998 sitecharacterization support activities.

• Site posting, using concrete monuments with attached warning signs, and establishing userestrictions to prohibit intrusive activities for CAS 58-09-02, 58-09-05 (Mud Pit E only),58-09-06 (Mud Pit E only), 58-10-01, 58-25-01, 58-09-03 (Mud Pits A, B, and D) and58-10-05.

• Clean closure ofCASs 58-10-03, 58-44-06, 58-44-03, 58-10-02, and 58-10-04 byexcavating and relocating material with TPH levels above the NDEP Action level of100 mg/kg to the UC-1 Central Mud Pit (CMP) or UC-1 CMP mud relocation trench.Following excavation, each CAS was re-graded to its approximate original groundsurface contours. To encourage the establishment ofnative vegetation, the surface ofeach CAS was scarified to a depth of 0.3 m (1 ft) bgs.

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Introduction JRevision: IDate: November 5, 2001

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Constructing an engineered cover system over CAS 58-09-01 (UC-l CMP) and CAS58-09-03 (UC-4 Mud Pit C only). Storm water diversion channels and transplantingvegetation were incorporated into the UC-l CMP cover construction. Time-domainreflectometry (TDR) monitoring and data collection instrumentation was installed in theUC-l CMP cover to monitor cover soil moisture content.

Scrap metal unearthed during excavation and recovered during general site housekeepingactivities was transported to the Nevada Test Site (NTS) for reclamation or disposal. Allsanitary trash and debris was disposed of in the Tonopah Test Range (TTR) sanitarylandfill. Approximately 45.4 metric tons (50 tons) of scrap metal and approximately26.5 cubic meters (rrr') (34.7 cubic yards [yd3

]) of sanitary trash were transported off-sitefor disposal.

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1.3 .CLOSURE REPORT CONTENTS

This document is divided into the following sections.

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Section 1.0 - Introduction (purpose, scope, contents)Section 2.0 - Closure Activities (description, deviations, schedule, site plan)Section 3.0 - Waste Disposition (wastes encountered and their appropriate disposal)Section 4.0 - Closure Verification Results (laboratory analysis)Section 5.0 - Post-Closure Monitoring PlanSection 6.0 - Summary and RecommendationsSection 7.0 - ReferencesAppendix A - Verification Sampling Analytical ResultsAppendix B - Project PhotographsAppendix C - As-Built Engineering Drawings and Design Change NoticesAppendix D - Sectored Housekeeping Site Closure Verification DocumentationAppendix E - UC-3 Underground Storage Tank and Septic Tank Closure DocumentationAppendix F - Use Restriction DocumentationAppendix G - Sampling, Inspection, Testing, and Acceptance (SITA) Approval Matrix/

ChecklistAppendix H - Post-Closure Inspection ChecklistsAppendix I - NDEP Document Review Sheet

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Closure Certification - Not applicableWaste Disposition Documentation '- Not applicable

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This report was developed using information and guidance from the following documents:

• Nevada Environmental Restoration Project. Health and Safety Plan, Revision 3,DOEINV, 1998.

• Corrective Action Decision Document for Corrective Action Unit 417: Central NevadaTest Area Surface, Nevada, Revision 1, DOEINV-524, DOEINV, 1999.

• Corrective Action Plan for Corrective Action Unit 417: Central Nevada Test AreaSurface, Nevada, Revision 0, DOEINV-588, DOEINV, 2000.

Construction of the UC-l CMP cover was controlled by the construction drawings and quality-- assurance (QA) requirements developed in the Construction Quality Assurance Plan, Appendix E

ofthe CAP (DOEINV, 2000). The closure of the other CASs that comprise CAU 417 wascontrolled by QA requirements identified in the CAP (DOEINV, 2000). All QA requirementsidentified in the CAP (DOEINV, 2000) were met.

For the five CASs closed by excavation and removal ofhydrocarbon impacted material(Section 2.1.6), no formal data quality objectives were developed. A number of representativesoil verification samples were collected from the excavated areas and analyzed to assure cleanclosure of these sites. All QA requirements identified in the CAP (DOEINV, 2000) for closureofthese CASs were met. In addition, standard laboratory quality assurance/quality controlchecks were made during sample analysis by the contract laboratory. Results ofthese checks areincluded with the sample analytical results in Appendix A of this document.

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Closure ActivitiesRevision: 1Date: November 5, 2001

2.0 CLOSURE ACTIVITIES

This section of the CR details the specific corrective action activities implemented andcompleted during the closure ofCAU 417. This section also provides a detailed schedule ofsiteactivities as completed. Photographs showing representative activities during site closure areincluded in Appendix B of this document.

2.1 DESCRIPTION OF CORRECTIVE ACTION ACTIVITIES

The closure of CAU 417 occurred in two phases of field activity. Phase I activities werecompleted in October 1999 and are described in detail in Appendix B of the NDEP-approvedCAP (DOEINV, 2000). Section 2.1.2 of this document also gives a brief summary of the Phase Ifield activities. The Phase II field activities detailed in the CAU 417 CAP (DOEINV, 2000),began in July 2000 and were completed in April 2001, with the majority of activities completedby October 2000. The Phase II field activities are detailed below in Section 2.1.3. In addition,eight CASs (Section 2.1.4) were closed as housekeeping sites in June 1998 during the sitecharacterization field investigation by International Technology Corporation.

Note: For purposes of discussion, CAS closures will be grouped and discussed by closureactivity, rather than geographic location.

2.1.1 Preplanning and Site Preparation

Planning documents prepared prior to beginning CAU 417 closure field activities include theCAP (DOEINV, 2000), Field Management Plan (Bechtel Nevada [BN], 2000a), Site SpecificHealth and Safety Plan (BN, 2000b), a construction work package, a National EnvironmentalPolicy Act Checklist, a State ofNevada Class II Air Quality Operating Permit, Surface AreaDisturbance Permit, a DOEINV Real Estate/Operations Permit, BN Hot Work Permit, and a BNExcavation Permit. A project readiness review meeting was held on May 23, 2000, and a pre-jobbriefing was held in-June 2000.

2.1.2 Summary of Phase I - 1999 Field Activities

With NDEP approval, Phase I field activities were completed at CNTA between June 30 andOctober 15, 1999. Appendix B of the NDEP-approved CAP (DOEINV, 2000) provides adetailed discussion of the 1999 Phase I CNTA field accomplishments. As-built drawings for thePhase I work are included in Appendix C of this document (Drawings T1 - C9). Phase I fieldactivities included the following:

• Installation of a submersible pump in the HTH-2 supply well south ofUC-1. The wellsupplied the water used in soil conditioning for construction work.

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Closure Report- CAU No. 417Central Nevada Test AreaSection: Closure Activities ~Revision: IDate: November 5.2001

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Construction of two sumps close to the supply well to hold construction water and apipeline from 'the well to the sumps.

Upgrade and repair of site access and haul roads by limited grading.

Construction of the UC-4 Mud Pit C cover to prove the cover design and constructionmethods. Figure 4 gives a schematic cross section of the UC-4 Mud Pit C cover asconstructed. Cover construction activities included:- Construction of a mud relocation trench at the east end ofMud Pit C.- Excavation and relocation ofdrilling mud from UC-4 Area S, CAS 58-10-03, to the

relocation trench.- Installation of geogrid material directly over the mud pit and relocation trench.- Placement of a 0.6-m (2-ft) stabilization layer of clean and petroleum

hydrocarbon-impacted material (from UC-I Area S, UC-3 Area Z, and UC-4 Area W)directly on the geogrid.

- Placement of a 0.6-m (2-ft) shaping layer ofclean fill over the stabilization layer.- Placement ofa 15.2-centimeter (em) (6-inch [in]) bedding layer of clean fill over the

shaping layer.- Installation ofa geosynthetic clay liner on the bedding layer.- Placement of a 15.2-cm (6-in) buffer layer over the geosynthetic clay liner.- Placement of a O.3-m (I-ft) erosion control layer over the buffer layer.- Installation ofa cover fence, warning signs, and subsidence monuments.

Excavation of the UC-I CMP mud relocation trench. All excavated material was used inthe UC-4 Mud Pit C cover construction.

Installation ofconcrete above-grade monuments and warning signs at seven CASs(nine sites). Installation of temporary warning signs only at an additional six CASs(seven sites).

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In addition, settlement monitoring of the two subsidence monuments and three elevation hubsplaced by BN survey crew on the UC-4 Mud Pit C was done. Elevation data were collectedmonthly for the first seven months following completion of the UC-4 Mud Pit C cover. The datashow settlement values in agreement with expected calculated values. (See Section 2.1.1.3 ofAppendix A of the CAP [DOEINV, 2000]). Table 2 shows the data collected through June 1,2000. Settlement monitoring will be discussed in more detail in the Post-Closure MonitoringReport to be prepared in 2002. An as-built drawing showing the location of the three additionalsurvey hubs will be included in the 2002 Monitoring report.

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FIGURE 4 - UC-4 MUD PIT C COVER CROSS SECTION

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Closure Report - CAU No. 417Central Nevada Test Area 'Section: Closure Activities .JRevision: IDate: November 5, 2001

TABLE 2 - SUMMARY OF UC-4 MUD PIT C COVER ELEVATION •SURVEY DATA

SURVEY LOCATION I ELEVATION8 (meters)

West East North Hub Center Hub South HubSurvey Date Monument Monument

10/12/1999 1999.269 1999.062 b b b

11/29/1999 1999.260 1999.065 b b b

01/14/2000 1999.254 1999.052 1999.018 1999.082 1999.063

02/28/2000 1999.251 1999.053 1999.019 1999.084 1999.065

03/28/2000 1999.247 1999.052 1999.016 1999.082 1999.064

04/27/2000 1999.242 1999.050 1999.013 1999.079 1999.062

06/01/2000 1999.241 1999.050 1999.013 1999.079 1999.062"The 1929 National Geodetic Vertical Datum IS used as the elevation datum."The North, Center, and South hubs were installed on January 14,2000 by BN Survey crew.Monument locations are shown on Drawing C8, Appendix C.Hub locations will be shown in the first Post-Closure Monitoring Report for CAU 417.

2.1.3 Closure of CASs by No Further Action

Seventeen sites in thirteen CASs (Table 1) were closed by no further action. Analytical resultsfor characterization samples collected from these sites (Appendix D ofCADD [DOE/NV, 1999])showed no COC present at levels greater than preliminary action levels established in theCorrective Action Investigation Plan (DOE/NV, 1997). Therefore, these 16 sites are consideredclean and no further corrective action is required, or was performed.

In addition, as stated in Table 2.1 of the NDEP-approved CADD (DOE/NV, 1999), one site,CAS 58-19-01, originally identified as a housekeeping site located at the UC-3 Recording TrailerPark, was not located in the field. No further action was taken to close this CAS.

2.1.4 Closure of CASs by Housekeeping Activities

Table 1-1 ofthe CADD (DOE/NV, 1999) identifies nine CASs as housekeeping sites. Four ofthese identified CASs (58-98-01, 58-98-02, 58-98-03, 58-98-04) were closed by housekeepingactivities during 1998 site characterization activities. Three ofthese identified CASs (58-44-01,58-44-02,58-44-05) were closed by housekeeping activities during 2000 field work. Oneidentified housekeeping site, CAS 58-19-01, as noted in Table 2-1 of the CADD

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Closure ActivitiesRevision: IDate: November S. 2001

(DOEINV, 1999) was not located in the field and no further action was taken to close it. Also,housekeeping site UC-l Area Y, CAS 58-44-06, was clean closed by excavation(Section 2.1.6.2). In addition, four CASs, two USTs (58-05-03 and 58-99-01), and two septictanks (58-05-06 and 58-05-06) were closed by housekeeping activities during 1998 sitecharacterization activities. The following CASs were closed by implementing the indicatedhousekeeping activity:

CAS No.58-44-0158-44-0258-44-0558-98-03

58-05-03

58-05-05

58-05-06

-58-98-01

58-98-02

58-98-04

58-99-01

Description of CASDrilling mud/grout piles west ofUC-l CMP; material used in CMP cover.Drilling mud/grout piles southeast ofUC-I; material used in CMP cover.Grout pile northeast ofUC-l; material used in CMP cover.Waste pile (drums, filters, etc.) southwest ofUC-l CMP; metal sent to the NTSSalvage as scrap metal, remainder disposed of at the Ul Oc Landfill at the NTS(closed in 1998).Small UST (three interconnected 55-gallon [gal] drums) located at the UC-3recording trailer park; contents removed, solidified, tank removed and area overexcavated, verification samples collected and submitted for analysis. All wastesdisposed of at the NTS Area 6 Hydrocarbon Landfill (closed in 1998).Septic tank southeast ofUC-3; the tank was sampled, the contents removed bypumping, and then backfilled with clean fill (closed in 1998).Septic tank at the UC-3 Recording Trailer Park; the tank was sampled andbackfilled with clean fill (closed in 1998). No contents were removed as the tankwas empty.Waste pile (drums, filters, etc.) west ofUC-3; metal sent to NTS Salvage as scrapmetal, trash disposed of at the NTS UI0c Landfill (closed in 1998).Waste pile (drums, filters, etc.) south ofUC-3; metal sent to NTS Salvage asscrap, trash disposed of at the NTS UI0c Landfill (closed in 1998).Waste pile (metal, cable, etc.) southeast ofUC-3; metal sent to NTS Salvage asscrap metal, trash disposed ofat the NTS UI0c Landfill (closed in 1998).Small UST (four interconnected 55-gal drums) located southeast ofUC-3;contents removed, solidified, tank removed and area over excavated, verificationsamples collected and submitted for analysis. All wastes disposed of at the NTSArea 6 Hydrocarbon Landfill (closed in 1998).

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Copies of the Sectored Housekeeping Site Closure Verification Form for each CAS closed byhousekeeping activities are included in Appendix D.

2.1.4.1 USTs and Septic Tanks Closed by Housekeeping Activities

During June 1998, four CASs consisting of two USTs and two septic tanks located at UC-3 andthe UC-3 Recording Trailer Park were closed. The USTs (CAS 58-05-03, and 58-99-01) wereclosed by removing and solidifying the tank contents, excavating and removing the tanks

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Closure Report - CAD No. 417Central Nevada Test AreaSection: Closure ActivitiesRevision: IDate: November 5. 2001

(55-gal drums), over excavation of any stained soil beneath the tanks, and backfilling theexcavations with clean fill. Verification soil samples were collected from beneath the removedUST and from the pit sidewalls from each of the UST excavations and submitted for laboratoryanalysis. No samples had COC levels greater than preliminary action levels established in theCAIP (DOEINV, 1997) indicating that the USTs were clean closed. All waste, drums, andstained soils, were transported to the NTS and disposed of in the Area 6 Hydrocarbon Landfill.Notification of closure ofthe two USTs was transmitted from the National Nuclear SecurityAdministration, Nevada Operations Office (NNSAINV) to NDEP in December 1998 (personalcommunication, 1998). Attachment K ofAppendix D of the CADD (DOEINV, 1999) gives theanalytical results for the verification samples collected (U3UI01, U3UI02, U3U103, U3UI04,U3U105, U3U201, U3U202, U3U203, U3U204, and U3U205). Copies of the SectoredHousekeeping Site Closure Verification Form for each the closed USTs are included inAppendix D.

The septic tanks (CAS 58-05-05, and 58-05-06) were closed by collecting characterizationsamples from within the tanks, removing the tank contents (58-05-05 only), transporting thecontents to a licensed disposal facility, and backfilling the tanks with clean fill. The clean fillwas obtained from a borrow area just inside the old UC-3 fenced area. (The fence has beenremoved.) Approximately 7,570 liters (2,000 gal) of sludge was pumped from the UC-3 septictank (CAS 58-05-05) and hauled to a licensed disposal facility by a licensed contractor fromTonopah, Nevada. Attachment K ofAppendix D ofthe CADD (DOEINV, 1999) gives theanalytical results for the verification samples collected (CNTA5001, CNTA5002, CNTA5003,and CNTA 5015). Copies of the Sectored Housekeeping Site Closure Verification Form for eachthe closed septic tanks are included in Appendix D.

Copies of the letters from the state ofNevada to the NNSAINV acknowledging the closure of thetwo USTs (CAS 58-05-03, and 58-99-01) and the two septic tanks (CAS 58-05-05, and58-05-06) are included in Appendix E.

2.1.5 Closure of CASs by Site Posting

The CADD (DOEINV, 1999) identified ten sites (seven CASs) to be closed by site posting andimplementing land-use restrictions. Site posting consisted ofplacing above-grade monuments tomark the perimeter of each site. Each monument is cast concrete and has a 0.6 by 0.6-m (2 by2-ft) square base, is 0.9 m (3 ft) tall, and pyramidal in shape. Each monument was set in ashallow excavation 0.3 m (1 ft) bgs, backfilled with native soil, and extends approximately 0.6 m(2 ft) above the ground surface. Signs warning ofthe presence of buried petroleum-impacted soilalong with contact information were attached to each monument. A brass survey markerstamped with the coordinates of the monument (Universal Transverse Mercator [UTM], NorthAmerican Datum [NAD] 1927) was set in the top center of each monument using sulfasetcement.

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During 2000 field activities, it was determined that a more appropriate method of closure forCAS 58-44-06, UC-1 Area Y, was by clean closure by excavation (see Section 2.2) rather than bysite posting as stated in the CADD (DOE/NV, 1999). Four concrete monuments placed in 1999were removed and were reused to post CAS 58-10-05, UC-4 Area X. New survey data weregenerated for the reused monuments and is presented on drawing C4 in Appendix C.

The following sites were closed by posting with above-grade monuments and warning signsduring 2000 field activities.

CAS Number58-09-0258-09-0558-09-0658-10-0158-25-0158-09-0358-09-0358-09-0358-10-05

DescriptionUC-l Mud Pit A - 4 monumentsUC-1 Mud Pit E - 4 monumentsUC-3 Mud Pit E - 4 monumentsUC-3 Shaker Pad Area S - 4 monumentsUC-3 Area E Spill Southern Outlier - 8 monumentsUC-4 Mud Pit A - 4 monumentsUC-4 Mud Pit B - 4 monumentsUC-4 Mud Pit D - 4 monumentsUC-4 Area X - 4 monuments

Use restriction forms for the seven CASs (nine sites) are contained in Appendix F. Limits oftherestricted area boundaries are shown on Drawings C2, C3, and C4 in Appendix C.

2.1.6 Closure ofCASs by Excavation and Relocation of Petroleum-Impacted Material

The CADD (DOE/NV, 1999) identified four CASs to be clean closed by excavation and disposalofpetroleum hydrocarbon-impacted material in the UC-l CMP cover system (Table 1). Thesesites had petroleum hydrocarbon levels in soil/mud that exceeded the NDEP action level of100 mglkg. In addition to the four CASs identified in the CADD (DOE/NV, 1999), a fifth site,UC-1 Area Y (CAS 58-44-06), was clean closed by excavation (see Section 2.1.6.2). Cleanclosure was considered a preferable closure option to posting for this site because the levels ofTPH in the soil were low (197 mg/kg maximum value, Appendix D ofCADD [DOE/NV, 1999]),the volume of impacted soil was small, and the potential impact to site vegetation was minimal.

2.1.6.1 Closure ofUC-l Area S - CAS 58-10-03

A total ofapproximately 1,177 m3 (1,540 yd3) ofpetroleum hydrocarbon-impacted soil was

excavated from UC-1 Area S, CAS 58-10-03, and transported to and used in the UC-l CMPcover construction. On July 31 and August 1,2000, approximately 1,102 m3 (1,440 yd') ofmaterial was excavated from an area measuring approximately 45.5 by 40 m (150 by 130 ft) andextending to 0.6 m (2 ft) bgs. Five soil verification samples were collected from the bottom of

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Closure ActivitiesRevision: IDate: November 5,2001

the excavation on August I, 2000 (Figure 5) and submitted for TPH analysis to an off-sitecontract laboratory. Four of the samples had TPH levels below the NDEP action level forpetroleum hydrocarbons (100 mg/kg). Sample UC1SV1 had a TPH value of 170 mg/kg, whichwas greater than the NDEP action level (100 mg/kg). As a result, on August 7, 2000, anadditional 76.5 rrr' (100 yd') of soil was excavated from an area centered on the location ofsample UC1SV1, measuring approximately 12.5 by 12.5 m (41 by41 ft) to a depth of0.46 m(1.5 ft) bgs. The excavated soil was used in the construction of the CMP cover. A sixth soilverification sample, UCISV6, was collected on August 8, 2000, from the bottom of thisover-excavated area and submitted for TPH analysis. TPH results for sample UC1SV6 were lessthan the NDEP action level for petroleum hydrocarbons (100 mg/kg). Analytical results for theverification samples are provided in Table 3 and discussed in Section 4.1.1. Based upon theresults ofsample UC1SV6, it was determined that additional removal ofmaterial from UC-1Area S was not required (see Drawing C25, Appendix C).

All material removed from UC-1 Area S was excavated using a front-end loader and transportedto the CMP using dump trucks. After verification sampling indicated that clean closure wasachieved, the area was graded to restore natural drainage patterns and scarified to a depth ofapproximately 0.3 m (1 ft) bgs to encourage the establishment ofnative plant species. A watermaster was used to control dust generated during excavation and grading. Final site grading wascompleted on August 18, 2000.

2.1.6.2 Closure ofUC-l Area Y - CAS 58-44-06

A total of approximately 84 m' (110 yd') of petroleum hydrocarbon-impacted soil was excavatedfrom UC-1 Area Y, CAS 58-44-06, and transported to the UC-1 CMP. On August 25, 2000,approximately 38 rrr' (50 yd") of material was excavated from a 9 by 9 m (30 by 30 ft) area, to adepth of 0.5 m (1.6 ft) bgs. Two soil verification samples were collected from the bottom of theexcavation (Figure 6), and submitted for TPH analysis to a contract laboratory. SampleUC1 YV2 had a TPH value of 107 mg/kg, slightly greater than the NDEP action level forpetroleum hydrocarbons (100 mg/kg). As a result, on August 31, 2000, an additional 46 m'(60 yd') of soil was excavated from an area centered on the location of sample UC1YV2, andmeasuring approximately 12 by 12 m (40 by 40 ft) to a depth of 0.3 m (1 ft) bgs. A third soilverification sample, UC1YV3, was collected from the bottom of this over-excavated area andsubmitted for TPH analysis. Results for DC 1YV3 were less than the NDEP action level forpetroleum hydrocarbons. Analytical results for these samples are discussed in Section 4.1.1(Table 3). Based upon the results of sample UC1YV3, it was determined that additionalremoval ofmaterial from UC-1 Area Y was not required (see Drawing C37, Appendix C).

All soil removed from UC-1 Area Y was excavated using a front-end loader and transported tothe CMP using dump trucks. After verification sampling indicated that clean closure wasachieved, the area was graded to restore natural drainage patterns and scarified to a depth ofapproximately 0.3 m (1 ft) bgs to encourage the establishment ofnative plant species. A watermaster was used to control dust generated during excavation and grading. Final site grading wascompleted on September 12,2000.

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ClosureReport - CADNo. 117CentralNevadaTestAreaSection:IntroductionRevision: IDate:November5, 2001

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FIGURE 5 - UC-l AREA S VERIFICATIONSAMPLE LOCATIONS

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Closure ActivitiesRevision: IDate: November 5, 2001

TABLE 3 - SUMMARY OF ANALYTICAL RESULTS FOR TPH IN VERIFICATION SAMPLES

SAMPLE SAMPLE GASOLINE DIESEL OIL TOTALIDENTIFICATION DATE C8-C12 C12-C22 C12-C34 TPH

(mg/kg) (mg/kg) (mg/kg) (mg/kg)

UC-l Area S, CAS 58-10-03

UCISV1* 08/01/2000 N/A 170 N/A 170

UCISV2* 08/01/2000 N/A 41 N/A 41

UCISV3* 08/01/2000 N/A 62 N/A 62

UCISV4* 08/01/2000 N/A 20 N/A 20

UCISV5* 08/01/2000 N/A 24 N/A 24

UCISV6* 08/09/2000 N/A <20 N/A <20

UC-l Area Y, CAS 58-44-06

UCIYVI 08/25/2000 <10 39 <50 39

UCIYV2 08/25/2000 38 <10 69 107

UCIYV3* 08/31/2000 N/A <20 N/A <20

UC-3 Area Z, CAS 58-44-03

UC3ZV1* 08/03/2000 N/A <20 N/A <20

UC3ZV2* 08/03/2000 N/A <20 N/A <20

UC3ZV3* 08/03/2000 N/A <20 N/A <20

UC3ZV4* 08/03/2000 N/A <20 N/A <20

UC3ZV5* 08/03/2000 N/A <20 N/A <20

• • • • .~. L . .I •

20

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'I \,

) 1 \ , ) 1 1 1 1 '} '1 'I Clot 'port - . 'J'Io. 4 I 1\CentralNevadaTest AreaSection: ClosureActivitiesRevision: IDate:November 5, 2001

TABLE 3 - SUMMARY OF ANALYTICAL RESULTS FOR TPH IN VERIFICATION SAMPLESContinued)


(mg/kg) (mg/kg) (mg/kg) (mg/kg)

UC3ZV6* 08/03/2000 N/A <20 N/A <20

UC-4 Area S, CAS 58-10-02

UC4SV1 08/16/2000 <10 <10 <50 <10

UC4SV2 08/16/2000 <10 31 <50 31

UC4SV3 08/16/2000 <10 <10 <50 <10

UC4SV4 08/16/2000 <10 <10 <50 <10

UC4SV5 08/16/2000 <10 <10 <50 <10

UC4SV6 08/22/2000 <10 <10 80 80

UC4SV7 08/22/2000 <10 <10 <50 <10

UC4SV8 08/22/2000 <10 <10 <50 <10

UC4SV9 08/22/2000 <10 40 86 126

UC4SV10 08/22/2000 <10 <10 <50 <10

UC4SVl1 08/22/2000 <10 <10 64 64

UC4SV12 08/22/2000 <10 22 140 162

UC4SV13 08/22/2000 <10 <10 <50 <10

UC4SV14 08/22/2000 22 43 140 205

lJC4SV1,\ ')R ,~~ ,~~~~ <10 <10 <'\0 <10

21

ClosureReport- CAU No.417CentralNevadaTest AreaSection:ClosureActivitiesRevision: IDate:November 5, 2001

TABLE 3 - SUMMARY OF ANALYTICAL RESULTS FOR TPH IN VERIFICATION SAMPLESContinued)


(mg/kg) (mg/kg) (mWk~) (mg/kg)

UC4SV16 08/28/2000 N/A <20 N/A N/A

UC4SV17 08/28/2000 N/A <20 N/A N/A

UC4SV18 08/28/2000 N/A <20 N/A N/A

UC-4 Area W, CAS 58-10-04

UC4WVl* 08/04/2000 N/A <20 N/A <20

UC4WV2* 08/04/2000 N/A 38 N/A 38

UC4WV3* 08/04/2000 N/A 32 N/A 32

UC4WV4* 08/04/2000 N/A <20 N/A <20

UC4WV5* 08/04/2000 N/A 20 N/A 20

TTr4WV(l* OR/OAnllllll N/A <20 N/A <20Notes:See AppendixA for the data reports for all verificationsamples.* Sampleanalyzed for TPH in DieselRange Organics (CI0 to C28) only, Reporting (Detection) Limit is 20 mg/kg.The NDEP action level for TPH is 100 mg/kg.All verificationsamples were collected from the bottom of the indicatedexcavated areas (except for samplesUC4SVI -5, see section 4.1.1)"<" indicatesthat the result was less than the reporting limit. For example,"<10" means the result was less than the reporting limit of 10 mg/kg.TPH analysismethod was EPA Method SW8015M (EPA, 1996),Analyticalresults for blank and ms/msdqualityassurance/qualitycontrol samples are not shown,mg/kg - milligramper kilogramN/A - Not ApplicableTPH - Total petroleum hydrocarbons

22

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VERIFICATIONSAMPLE

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APPROXIMATEEXTENT OFEXCAVATION _______

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UC-l AREA YCAS 58-44-06

~

IOriginal Location of the onlycharacterization sample, UIYl,having TPH greater than 100 mglkg

SCALE• I •

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FIGURE 6 - UC-l AREA Y VERIFICATION SAMPLE LOCATIONS


2.1.6.3 Closure ofUC-3 Area Z - CAS 58-44-03

Between July 31 and August 3, 2000, a total of approximately 1,622 m' (2,120 yd') ofhydrocarbon-impacted soil was excavated from UC-3 Area Z, transported to the UC-l CMP, andincorporated into the CMP cover. An area measuring approximately 52 by 52 m (170 by 170 ft)was excavated to an approximate depth of 0.6 m (2 ft) bgs. Six soil verification samples(UC3ZVl through UC3ZV6) were collected from the bottom of the excavated area (Figure 7),and were submitted for TPH analysis to a contract laboratory. TPH levels for all six sampleswere below the NDEP action level for petroleum hydrocarbons (100 mg/kg). Sample analyticalresults are provided in Table 3 and discussed in Section 4.1.1. Based upon the verificationsample results, it was determined that additional removal ofmaterial from UC-3 Area Z was notrequired (see Drawing C26, Appendix C).

All soil removed from UC-3 Area Z was excavated using a front-end loader and transported tothe CMP using dump trucks. After verification sampling indicated that clean closure wasachieved, the area was graded to restore natural drainage patterns and scarified to a depth ofapproximately 0.3 m (1 ft) bgs to encourage the establishment ofnative plant species. A watermaster was used to control dust generated during excavation and grading. Final grading wascompleted on August 17,2000.

2.1.6.4 Closure ofUC-4 Area S - CAS 58-10-02

Between August 2 and 22,2000 approximately 5,872 rrr' (7,680 yd') ofhydrocarbon-impacteddrilling mud was excavated from UC-4 Area S and relocated to the UC-l mud relocation trench.The material was excavated using two front-end loaders and transported to UC-l using dumptrucks. UC-4 Area S spans a small east-west trending drainage located north of the UC-4emplacement hole. Area S has an upper area at the west end ofthe drainage, and a lower area atthe east end of the drainage adjacent to the dirt access road. The upper west excavation measuredapproximately 25 by 70 m (82 by 230 ft) and extended to approximately 2.4 m (8 ft) bgs. Themajority ofmaterial removed was on the south side of the drainage. The lower excavationmeasured approximately 30 by 30 m (98 by 98 ft) and extended to a depth of 1.83 m (6 ft) bgs.The drainage area joining the upper and lower areas was not excavated because no waste materialwas identified as being present during the characterization study (Appendix D of the CADD,[DOE/NV,1999]).

During the 1999 Phase I field activities, approximately 138m3 (180 yd'') of drilling mud materialwas excavated from the lower eastern portion ofArea S and used in the UC-4 Mud Pit C coverconstruction (see Appendix B of CAP [DOE/NV, 2000]). At this time, it was discovered that theupper west portion ofArea S consisted primarily of drilling mud material, and not granular soilmaterial as originally thought. To clean close the area, drilling mud was excavated from both theupper western, and lower eastern portions of the CAS. A total of 18 verification samples werecollected on three different dates from the site and submitted for TPH analysis. Analytical

24

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APPROXIMATE EXTENTOF REGRADING

VERIFICATIONSAMPLELOCATIONS

N 6416500

N6416400

N 6416300

o

SCN..E 1:7150

SC LE:


APPROXIMATEEXTENT OFEXCAVATION

FIGURE 7 - UC-3 AREA Z VERIFICATIONSAMPLE LOCATIONS

25


results for the samples are given in Table 3. Figure 8 shows the area layout and the location ofthe verification samples.

On August 16,2000, five samples (UC4SVI through UC4SV5) were collected from the area,three from the upper area along the southern wall ofthe excavation, and two from the lower areaalong the eastern wall of the excavation. All samples were collected from darkly stained materialdirectly from the walls of the excavation. At the request ofNDEP personnel and in an effort tolimit the extent of the area excavation, these samples were submitted for TPH analysis byfraction to determine if long-chain hydrocarbons were present (personal communication, 2000a).Sample results (Table 3) showed no hydrocarbon fractions in concentrations greater than theNDEP action level for petroleum hydrocarbons (100 mg/kg). These results established thesouthern boundary of the upper area excavation, and the eastern boundary (the dirt access road)of the lower area excavation.

On August 22, 2000, ten verification samples (UC4SV6 through UC4SVI5) were collected fromthe bottom of the upper and lower excavated areas (Figure 8). Samples UC4SV9, UC4SVI2,and UC4SV14 had TPH levels above the NDEP action level for petroleum hydrocarbons(100 mg/kg). As a result, at each of these three verification sample sites, an area measuringapproximately 6 by 6 m (20 by 20 ft) was over excavated to approximately 0.3 m(l ft) bgs and additional verification soil samples were collected. Samples UC4SVI6,UC4SVI7, and UC4SV18 were collected on August 28, 2000, from the bottom of these threeover-excavated areas and submitted for TPH analysis. TPH levels for these three verificationsamples were less than the NDEP action level for petroleum hydrocarbons (100 mg/kg). Theanalytical results are discussed in Section 4.1.1 (Table 5). Based upon the results of samplesUC4SVI6, UC4SVI7, and UC4SVI8, it was determined that additional removal ofmaterialfrom UC-4 Area S was not required (see Drawing C27, Appendix C).

All material removed from UC-4 Area S was placed directly into the UC-I CMP mud relocationtrench and stacked using a front-end loader. After verification sampling indicated that cleanclosure was achieved, the area was graded to restore natural drainage patterns and scarified to adepth of approximately 0.3 m (1 ft) bgs to encourage the establishment ofnative plant species. Awater master was used to control dust generated during excavation and grading. Final gradingwas completed on September 14,2000.

2.1.6.5 Closure ofUC-4 Area W - CAS 58-10-04

j

••..•..

•

•

UC-4 Area W is located in the wash south of the UC-4 Mud Pit C cover access road. On ..August 2 and 3, 2000, a total of approximately 290 m3 (380 yd') ofpetroleum hydrocarbon-impacted soil was excavated from Area W and used in the UC-l CMP cover construction. Anarea measuring approximately 40 by 12 m (140 by 40 ft) was excavated to an approximate depth ..of 0.6 m (2 ft) bgs. Six soil verification samples (UC4WVl through UC4WV6) were collectedfrom the bottom of the excavation on August 4, 2000 (Figure 8), and submitted for TPH analysis.

•26

••

FIGURE 8 - UC-4 AREAS SAND W VERIFICATION SAMPLE LOCATIONS

1

N64361500

N

N

RESTRICTED AREA ......--_...:111IIOUNDARYMONUMENTS

VERIFICATI~Oo::N:::f:1~=:"F:::~:t~~SAMPLELOCATIONS

UC-4AREAWCAS 58-10-04

1

SCALE:

MONUMENTS

Closure Report - CAU No. 417Central Nevada Test AreaSection: Closure ActivitiesRevision: IDate: November 5. 2001

TPH results for the six verification samples were less than the NDEP action level for petroleumhydrocarbons (100 mg/kg). The analytical results are provided in Table 3 and discussed inSection 4.1.1. Based on the sample results, additional removal ofmaterial from UC-4 Area Wwas not required (see Drawing C27, Appendix C).

All soil removed from Area W was excavated using a front-end loader and transported to theCMP using dump trucks. After verification sampling indicated that clean closure was achieved,the area was graded to restore natural drainage patterns and scarified to a depth of approximately0.3 m (1 ft) bgs to encourage the establishment ofnative plant species. A water master was usedto control dust generated during excavation, grading, and scarifying. Final grading wascompleted on August 11, 2000.

2.1.7 Closure ofUC-l Central Mud Pit - CAS 58-09-01 Corrective Actions

The UC-l CMP was closed by constructing an engineered cover over the mud pit. Theconstructed cover system consists of a geogrid placed directly over the drilling mud to supportheavy equipment, covered by a vegetated monolayer cap. Figure 9 shows a schematic crosssection of the constructed cover. As-built drawings for the cover construction are found inAppendix C.

Cover construction activities included the following. The mud relocation trench adjacent to thewestern end ofthe CMP excavated in 1999 was enlarged to hold the additional drilling muddiscovered at UC-4 Area S. An anchor bench was cut around the CMP and geogrid placed on themud surface and anchored to the bench. Once all the mud from UC-4 Area S had been placed inthe mud relocation trench, an anchor bench was cut around the trench and geogrid placed overthe mud and anchored to the bench. The vegetated stabilization layer was constructed by placingtwo 0.6-m (2-ft) lifts of soil over the geogrid. The first 0.6-m (2-ft) lift consists of clean soilfrom the original berms surrounding the CMP and from the excavation of the mud relocationtrench, and hydrocarbon-impacted soil excavated from five CASs that were clean closed (Section2.1.6). Material for the initial 06-m (2-ft) stabilization layer lift was dumped at the edges of theCMP and pushed into placed on the geogrid using Low Ground Pressure (LGP) bulldozers. Thesecond 0.6-m (2-ft) stabilization layer lift consists of clean soil from the CMP berms and theexcavation ofthe flood diversion channels. Clean soil was dumped on the initial lift, and pushedinto place using LGP and D9 bulldozers. The cover was then scarified to a depth of 0.3 m (1 ft)using a motor grader, seeded with native plant species, and mulched with straw to prevent winderosion. Diversion channels to route run-on and run-off away from the cover were excavated tothe west and east of the cover. Twelve subsidence monuments were placed on the cover tomonitor subsidence. A barbed wire and mesh fence was constructed to limit access to the cover.TDR probes and recording instrumentation used to measure the soil moisture in the cover wereplaced at two locations in the cover. In April 2001, approximately 5,000 native plants weretransplanted by hand to the cover. Specific details regarding the cover construction are discussedbelow.

28

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N\0

)

RELOCATE(DISTURBED)

DRILLING MUD

) .) ·1

f-.------DRILLING MUD

l

FIGURE 9 - UC-l CENTRAL MUD PIT COVER CROSS SECTION

tl~QWOa < t:I n 0R -'c; :t. rn

ZS·I!. s Ei::s ....~ .. Z('J'"n_~_n

3 ~ iil 'ggo .. Ei::l..... ~n.

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.. .. 0'" .~.....

Closure Report - CAU No. 417Central Nevada Test AreaSection: Closure ActivitiesRevision: 1Date: November 5. 2001

2.1.7.1 Site Preparation

Eight abandoned stand pipes, located in the CMP, measuring approximately 0.9 m (3 ft) indiameter and extending approximately 0.6 m (2 ft) above the surface of the mud, were cut using acutting torch and moved to the scrap metal pile. A "raft" constructed of two 208 L (55 gal)drums and wood planking was moved from the CMP to the scrap/trash pile. Iron pipingimbedded in the northern berm was pulled free from the berm, cut into manageable sized lengths,and moved to the scrap metal pile using a front-end loader. All rocks and debris lager than 15em (6 in) in diameter were removed from the CMP mud surface by hand. The existing barbedwire fence, wood and metal fence posts, and attached warning signs were removed. The bermssurrounding the CMP and the area separating the CMP from the mud relocation trench werecleared ofbrush using a front-end loader. An access path for heavy equipment was cut in theexisting berms. Minor road repairs and improvements were made to the UC-l and UC-4 accessroads using a motor grader. A site command trailer and generator to provide electrical power, aConex box for storage, two-above ground fuel tanks (1,893 and 3,785 L [500 and 1,000 gal]),two portable toilets, a temporary loading dock, and a small brushed area for emergency airvehicles were established as the site command center. An electrical generator to power thesubmersible pump in well HTH-2 was connected and the pipe line from the well head to thesumps was reestablished.

2.1.7.2 Relocation Trench Construction

JI..

1....

•During the 1999 field activities, a trench was excavated adjacent to the UC-l CMP. The trench ..was originally designed to hold an estimated 1,145 nr' (1,500 yd') ofdrilling mud that was to berelocated from UC-4 Area S. During 1999, additional drilling mud material was discovered atthe west end ofUC-4 Area S bringing the approximate total amount ofmud to be excavated and •moved to UC-l to 5,202 m' (6,800 yd"). As a result of the discovery of the additional mud, theUC-l mud relocation trench was expanded during year 2000 field activities. ..

From August 2 to 22, 2000, the UC-l mud relocation trench was expanded from the originaldimensions. The final excavated trench measured approximately 23.5 by 40.7 m (77.1 by ..133.5 ft) at the bottom ofthe trench, and was 6.5 m (21.3 ft) deep on the western bank, and was3.7 m (11.5 ft) deep on the eastern bank. The north and south ends ofthe trench were cut to aslope of 4:1 or shallower to allow access ofheavy equipment. The additional clean soil •excavated from the trench, was used in the CMP cover construction. A bulldozer and twoscrapers were used to excavate the relocation trench. Also, the berm separating the CMP and themud relocation trench was cleared of brush and cut to the designed height and slope angle using a ..bulldozer and scrapper. The bench was sloped to the east to blend the higher mud relocationtrench with the lower CMP (see Drawing C29, C30, and C31 Appendix C).

•30

••


2.1.7.3 Relocation of Drilling Mud from UC-4 Shaker Pad Area S - CAS 58-10-02

From August 2 to 22, 2000, approximately 5,872 nr' (7,680 yd') ofdrilling mud was excavatedfrom DC-4 Area S, transported to DC-I, and placed in the mud relocation trench adjacent to theCMP. The material was excavated using two front-end loaders and transported using four enddump trucks. The trucks drove into the relocation trench and dumped the drilling mud directlyon to the bottom ofthe trench. The drilling mud was then moved and stacked to the final heightusing a front-end loader.

Once all the drilling mud had been placed in the trench, a geogrid anchor bench was cut aroundthe trench perimeter. The west portion of the anchor bench was cut using a track hoe. The trackhoe was operated from the top of the west bank of the trench to reach down into the trenchapproximately 3 to 4.5 m (10 to 15 ft) and cut the anchor bench. The north and south portions ofthe anchor bench were cut using a front-end loader. The berm separating the relocation trenchand the CMP served as the east side of the anchor bench. This berm was graded to slope to theeast using scrapers, a bulldozer, and a motor grader. This configuration produced a smoothtransition from the higher relocation trench to the lower CMP. The surface of the mud in thetrench was leveled by tamping with the track hoe bucket. Finally, geogrid was placed by handover the surface of the mud in the trench (see Section 2.1.7.4).

2.1.7.4 Installation of Geogrid

2.1.7.4.1 The Central Mud Pit

A geogrid material manufactured by Huesker Inc. (product name Fornit 30 Geogrid) was placeddirectly over the surface ofthe mud in the CMP. The geogrid was a heavy woven plasticmaterial that laterally distributed the weight of the overlying cover soils, supported the heavyequipment used to place soils, and provided a suitable sub-base for the cover. A forklift fittedwith a carpet stinger was used to retrieve rolls of the geogrid from the loading area and tosuspend the roll while the leading edge was advanced by hand across the CMP. Each panel ofgeogrid material was rolled out from the south anchor bench, across the CMP to the north anchorbench, and cut to extend a minimum of 1.5 m (5 ft) onto both anchor benches. Once in place, afront-end loader was used to place a 0.6-m (2-ft) thick anchoring layer ofclean soil on thegeogrid over the anchor bench. The anchoring soil layer was placed from the outside edge ofthegeogrid inward for 3 m (10 ft) around the entire perimeter ofthe CMP. Panels of geogridmaterial were laid in place beginning at the east end of the CMP and progressing to the west endofthe CMP. Edge overlaps of geogrid panels measured a minimum of 1.2 m (4 ft), and endoverlaps of panels measured a' minimum of3 m (10 ft) (Appendix E ofCAP [DOE/NV, 2000]).

rr A total of 40 panels (35 rolls) of geogrid material were used to cover the CMP surface and wereplaced in on July 26, 27, and 28, 2000.

31

._----- _ .•..~---------------------~


2.1.7.4.2 The UC-l Mud Relocation Trench

Once the mud relocation trench was filled with drilling mud and the surface leveled, geogridmaterial (Fornit 30 Geogrid) was placed by hand directly over the mud surface. Due to thephysical properties of the drilling mud, the cover design specified that two layers of geogrid beused to used to cover the relocated drilling mud to assure that cover soils and the equipmentwould be supported. The first layer ofgeogrid material was placed from the anchor bench on thewest edge of the trench, over the trench, over the berm at the east edge of the trench, andoverlapping onto to CMP geogrid approximately 1.5 m (5 ft). These panels were placedbeginning at the north end of the trench, and ending at the south end ofthe trench. The secondlayer of geogrid was placed in panels running from the south anchor bench to the north anchorbench. This layer was laid in panels beginning at the west side of the trench, and working to theeast anchor bench. Edge overlap for geogrid panels measured a minimum of 1.2 m (4ft), andend overlaps ofpanels measured a minimum of3 m (10 ft) (Appendix E of CAP [DOE/NV,2000]). Twenty-one panels were placed running west to east for the first geogrid layer. Eightpanels were placed running south to north for the second geogrid layer. After the second layer ofgeogrid material was laid out, a front-end loader was used to place a 0.6-m (2-ft) thick anchoringlayer ofclean soil on the geogrid over the anchor benches. The anchoring layer was placed fromthe outside edge ofthe geogrid inward for 3 m (10 ft) around the entire perimeter of the mudrelocation trench. A total of 17 rolls of geogrid was used to cover the relocation trench. Geogridplacement over the mud relocation trench was completed on August 24,2000.

2.1.7.5 UC-l Central Mud Pit Cover Construction - CAS 58-09-01

JJJ

..

•

The UC-1 CMP cover is a vegetated monolayer design that follows the pre-existing contours ofthe CMP. Figure 9 presents a schematic cross section ofthe CMP cover as constructed. Thecover is concave and designed to drain run-off to the cover center and then east offthe coverthrough a cut in the cover berm. Precipitation that infiltrates into the cover is removed from thecover by transpiration by the plants growing on the cover. Construction ofthe CMP cover beganon July 18, 2000, and was completed on September 12,2000. The seeding of the cover wascompleted on October 20, 2000, and the transplanting ofnative species was completed onApril 13,2001. Cover construction activities consisted ofthe following:

••••••••••

Removing piping and debris from the CMP.Cutting an anchor bench around the CMP and mud relocation trench.Installing geogrid material over the drilling mud (Section2.1.7.3).Placing a 1.2-m (4-ft) stabilization layer as two 0.6-m (2-ft) thick lifts over the geogrid.Constructing a fence around the cover.Scarifying and seeding the cover surface.Placing subsidence monuments on the cover.Installing soil moisture monitoring instrumentation.Constructing diversion channels to route run-on and run-off away from the cover.Transplanting native plants onto the cover.

32

..

•••


Once the geogrid was installed and anchored in place, work began on placing the first 0.6-m(2-ft) lift of the stabilization layer. The first lift was comprised ofboth clean soil and petroleumhydrocarbon-impacted granular soil. Clean fill was obtained from the excavation of the mudrelocation trench, and from the existing earthen berms surrounding the CMP. Petroleumhydrocarbon-impacted soil was from the clean closure of four CASs, 58-10-03, 58-44-06, 58-4403, and 58-10-04. Both clean soil and hydrocarbon-impacted soil was placed at the edge of theCMP on the geogrid anchoring layer and pushed onto the geogrid using LGP bulldozers. A0.6-m (2-ft) lift of fill was advanced from the edges to the center of the CMP from both the northand south sides of the CMP, always maintaining a minimum of 0.6 m (2 ft) ofmaterial beneaththe LGP bulldozers. Elevation stakes showing a level 0.6 m (2 ft) above the mud surface wereplaced and maintained by a grade checker throughout the CMP. The first lift had a minimumthickness of 0.6 m (2 ft).

The second 0.6-m (2-ft) lift of the stabilization layer was clean soil obtained from the originalberms surrounding the CMP and the excavation of the diversion channels. Clean soil was placednear the edges of the cover and pushed into place using LGP and D9 bulldozers. Elevationstakes showing a level 1.2 m (4 ft) above the mud surface were placed and maintained by a gradechecker throughout the CMP while this lift was placed. This layer was first laid across the centerof the CMP and then advanced toward both the east and west ends of the CMP. The second lifthad a minimum thickness of0.6 m (2 ft). The final surface of the second lift was shaped to thedesigned slope as shown on Drawing C30, Appendix C.

The stabilization layer over the mud relocation trench was constructed of two 0.6-m (2-ft) thicklifts. Both lifts are clean soil from the excavation of the diversion channels. Soil was placed atthe north and south edges of the trench and moved into place using LGP dozers. Thestabilization layer over the berm dividing the CMP and mud relocation trench, was used to blendthe higher finished trench cover surface with the lower finished CMP cover surface as the coverdesign specified (see Appendix C, Drawing C33).

Following the completion ofthe final grading ofthe cover, the entire cover surface was scarifiedto a depth ofapproximately 0.3 m (1 ft) bgs to encourage the establishment ofcover vegetation(see section 2.1.7.6). Twelve subsidence monuments were installed, three over the relocationtrench, and nine on the CMP. The pre-cast concrete monuments measured 0.6 by 0.6 m by15 em (2 by 2 ft by 6 in) thick, and were set 10 em (4 in) below grade in a grout slurry andbackfilled with soil (see Drawing C36). A brass survey pin was set in the center of eachmonument using Sulfaset. Coordinates for each survey pin were stamped onto the pin (seeDrawing C36). Subsidence data (changes in the elevation ofthe subsidence monuments) will beprovided in future CAD 417 Post-Closure Monitoring Reports.

A 1.2-m (4-ft) high four strand barbed wire and chicken wire fence was constructed around theCMP cover area (see Appendix C, Drawing C32). Fence posts were driven into the ground at1.5-m (5-ft) intervals around the cover. Each fence post was driven approximately 0.5 m (1.6 ft)into the ground with approximately 1.2 m (4 ft) ofpost exposed. A grader was used to cut aO.3-m (l-ft) deep "V" shaped trench at the base of the fence line. A 1.2-m (4-ft) lap ofchicken

33

Closure Report - CAD No. 417Central Nevada Test AreaSection: Closure ActivitiesRevision: 1Date:·November 5. 2001

wire mesh was placed at the bottom of this cut and attached to the barbed wire fence. The graderwas used to back fill the cut burying the first 0.3 m (l ft) ofmesh, leaving 0.9 m (3 ft) ofmeshexposed and attached to the wire fence. The mesh fencing is required to prevent animals fromburrowing under the fence and destroying the vegetation. Signs warning ofthe presence ofburied petroleum-impacted soil were attached to the fence at 14 locations (see Appendix C,Drawing C32).

2.1.7.6 Establishment of Vegetative Cover

Vegetation was established on the cover by first preparing the cov:er for seed, seeding the cover,applying mulch to encourage seed germination and provide protection from the wind, and finallytransplanting the year-old native plant species.

The cover was prepared for seeding by scarifying the surface to an approximate depth of 0.3 m(1 ft) bgs. Next, a seed mix ofnative species was broadcast on the cover using a seed drill andharrowed into the cover surface using a drag chain. Straw was then blown over the cover using astraw blower, and crimped into place using a crimping machine. The straw acts as mulch for theseed, provides organic mater, and reduces the potential for erosion of the cover. A total of 105kilograms (231.7 pounds) ofbulk seed mix was applied to the DC-l CMP cover. Table 4 givesthe breakdown of the seed mixture by species and percentage of the total mixture.

During April 2001 approximately 5,200 native transplants were planted on the DC-l CMP cover.The transplants consisted of a mix ofbig sagebrush, fourwing saltbush, rubber rabbitbrush, andDouglas rabbitbrush. All of the plant species are native to the CNTA area. Each transplant wasplaced by hand in a 13-cm (5 in) diameter hole drilled to a depth of 30.5 to 40.6 em (12 to16 in) bgs using a gasoline-powered hand auger. Soil was backfilled and tamped firmly intoplace by hand around the root ball of each transplant. Following planting, each transplantreceived approximately 3.8 L (1 gal) ofwater. Table 5 gives the number and type of plantstransplanted to the CMP cover.

2.1.7.7 Installation of TDR Soil Moisture Probes

After completion of construction and prior to seeding of the CMP cover, a TDR system wasinstalled to monitor soil moisture in the cover. The system consists of 16 TDR sensors, cablingconnecting each sensor to a datalogger which collects the data, a battery and solar panel to powerthe equipment, and a transceiver for remote retrieval of data and access to the dataloggerprograming. The TDR sensors were placed in two pits excavated with a backhoe on the cover.The pits measured approximately 0.9 by 1.8 m (3 by 6 ft), and were dug to a depth ofapproximately 1.4 m (4.5 ft.) below the cover surface, down to the level of the geogrid. In eachpit, two TDR sensors were placed at 0.15, 0.5 0.76, and 1.1 m (0.5, 1.5, 2.5, and 3.5 ft) bgs, oneon each side of the pit. The cables from each sensor were combined and placed into 10-cm

34

•

•

•••

..•

••

••

•

•I

Closure Report- CAU No. 417Central Nevada Test AreaSection: Closure ActivitiesRevision: 1Date: November 5. 2001

TABLE 4 - SEED MIXTURE USED ON THE UC-l CENTRAL MUD PITCOVER

SPECIES PERCENT SEED BULK SEED MIX WEIGHTMIX kilograms (pounds)

Artemisia tridentata tridentata 3 4.9 (10.9)Basin Big sagebrush

Atrip/ex canescens 47 27.8 (61.3)Fourwing Saltbush

Chrysothamnus viscidiflorus 5 26.0 (57.3)Low Rabbitbrush

Ericameria nauseosa 10 33.7 (74.3)Rubber Rabbitbrush

Achnatherum hymenoides 17 6.6 (14.6)Indian Ricegrass

Aristida purpurea 3 --Three Awn

E/ymus e/ymoides 15 6.0 (13.3)Squirreltail Grass

TOTAL BULK SEED WEIGHT 105.1 (231.7)

PURE LIVE SEED TOTAL 37.4 (82.5)WEIGHT

(4-in) flexible conduit. The conduits were placed in two shallow trenches, approximately 0.46 m(1.5 ft) bgs, running from the sensor pits to an instrument vault. The instrument vault, measuring0.9 by 1.8 by 1.4 m (3 by 6 by 4.5 ft), is located at the approximate midpoint of the southern edgeof the cover, just off the cover, approximately 3 m (10 ft) inside the fence line. The vault is flushmounted (recessed below ground surface). The TDR sensor pits are located approximately 45.7m (150 ft) north and west of the instrument vault. Figure 10 depicts the TDR instrumentationinstalled in the CMP cover. Drawings WI and W2 (Appendix C) provide details ofthe TDRinstrumentation installation.

TDR soil moisture calibration curves were developed for the CNTA cover soils. A laboratorysetup analogous to the field instrument configuration was established using the same soil type,percent compaction achieved for the cover, and sensor cable length. The laboratory setupdetermined the change in soil moisture by weight and the corresponding TDR sensor voltageoutput. Direct TDR measurements from the TDR pits are then compared to the calibration curveand a soil moisture percentage estimated (personal communication, 2001). Soil moisture data

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Closure Report - CAD No. 417Central Nevada Test Area JSection: Closure Activities .Revision: IDate: November 5, 2001 .

TABLE 5 - SUMMARY OF TRANSPLANTS USED ON THE UC-l JCENTRAL MUD PIT COVER

TRANSPLANT SPECIES PERCENT OF TOTAL NUMBER OFTRANSPLANTS TRANSPLANTS

Artemisia tridentata tridentata 50 2600Basin Big Sagebrush

Atriplex canescens 25 1300Fourwing Saltbush

Ericameria nauseosa 10 520Rubber Rabbitbrush

Chrysothamnus viscidiflorus 15 780Low Rabbitbrush

collected from the TDR system will be used to determine how the cover performs over timecompared to the predicted performance indicated by modeling results (Appendix D ofthe CAP[DOEINV, 2000]). TDR data and the method used to develop the calibration curves will bereported and discussed in the annual Post-Closure Monitoring report for CAU 417.

2.1.7.8 Excavation ofUC-l Cover Diversion Channels

2.1.7.8.1 Western Diversion Channel

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If

•To prevent run-on onto the CMP cover, a diversion channel was excavated to the west ofthecover. The west diversion channel is approximately 391 m (1,282 ft) in length and is "U"shaped, with the base of the "U" positioned to the west of the CMP. The channel measures IIIapproximately 6 m (19.6 ft) wide at the bottom, with side slopes constructed at a ratio of4:1. Atthe deepest point, the channel is approximately 2 m (6.5 ft) bgs. The northern leg of the channelis the shortest and trends to the northeast, crosses the existing UC-l access road and daylights in ..a shallow natural drainage feature. The southern leg ofthe diversion channel parallels thesouthern edge of the CMP and daylights at the east end of the CMP into an existing naturaldrainage. The as-built configuration ofthe western diversion channel is shown on Drawing C34, •Appendix C.

2.1.7.8.2 Eastern Diversion Channel

At the east end of the CMP, a diversion channel was constructed to divert water away from thecover and to collect run-off from the cover (Drawing C35, Appendix C). The east diversionchannel measures approximately 100 m (328 ft) in length and runs along the eastern end of theCMP from the dirt access road to an existing drainage. Precipitation that collects on the CMP

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Closure Report • CAU No. 117Central Nevada Test AreaSection: IntroductionRevision: IDate: November 5, 2001

Drill MudRelocation Trench Approximate Location of ---~r;m

TDR Instrumentation Vault

NOT TO SCALE

UC-l CMPCOVER

BACKFILLEDINSTRUMENTATION

TRENCH

· ,· .To Instrument Vault ·--0"15 ~r:=--=:=1'--'---+-

: / :: ..~/ :• ! •: .•:'TL_.._~ :

0.46 m (1.5 ft)~_.__. ! -"~--'--r--

Time Domain ! I ! ~Reflectometry ! \ ! e

Sensors : ~ : N0.76m (2.5 ft) ........_. ..r---)"-'-'---+-- ...;

: (. :· .· .· .· .· .: A :1.07m (3.5 ft) i '.-'---'-.j...-· .· .· .· .

I TRENCH PROFILE!

FIGURE 10UC-l CMP COVER MONITORING INSTRUMENTATION

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Closure ActivitiesRevision: IDate: November 5.2001

cover that is not transpired by the vegetated cover is directed to the east end of the cover, drainedthrough the designed cut in the cover perimeter berm, and channeled to the east by the eastdiversion channel. Run-off that collects along the south side of the UC-I access road near thecover is directed to the east diversion channel, which outlets to an existing natural drainage.

2.1.8 Disposal of Other Wastes

Scrap metal was uncovered during the excavation of the UC-l CMP mud relocation trench,grading ofthe pre-existing CMP berms, clearing the CMP, during the regrading ofUC-4 Area S,and by general site housekeeping activities. All scrap metal was temporarily piled away fromconstruction activities near the UC-l loading dock. The scrap metal was loaded into end dumptrucks and transported to the NTS scrap yard in Mercury, Nevada. A total of five truck loads,approximately 45.5 metric tons (50 tons) was transported from CNTA to the NTS Area 23 scrapyard between September 17 and 28, 2000. The metal was subsequently recycled as scrap metalby a contracted recycling company. All materials that were not recycled were disposed ofin theNTS Area 23 sanitary landfill.

2.1.9 Decontamination of Equipment

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..All heavy equipment used in handling the mud (front-end loaders, dump trucks, tack hoe,bulldozers) were cleaned of any residue. Cleaning was performed by first using hand tools(shovels and bars) to remove dried/caked-on mud, followed by high-pressure washing using a •water master and fire hose. All removed material and water was placed/used in the constructionof the CMP cover. ..Stainless steel scoops used to collect soil samples were decontaminated before and after samplecollection using a laboratory-grade detergent solution, an isopropanol alcohol rinse, and a triplerinse with deionized water. Less than 8 L (2 gal) of detergent solution and rinsate was generatedfrom the decontamination of scoops used to collect samples. The collected rinsate was used inthe construction of the CMP cover.

2.2 DEVIATIONS FROM THE CAP, AS APPROVED

No significant deviations occurred from the approved scope ofwork as outlined in the CAP(DOEINV,2000). The following minor deviations occurred from the approved scope ofwork:

••

• The layout/design ofthe western diversion channel for the CMP was changed tominimize the area disturbed by construction activities, and to reduce the volume ofmaterial required to excavate. This change was documented by issuing Design ChangeNotice Number 00/08-419 included in Appendix C.

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• With NDEP concurrence, UC-1 Area Y (CAS 58-44-06) was clean closed by excavatingapproximately 84 m3 (11.0 yd') ofhydrocarbon-impacted soil and using it in the CMPcover (see Section 2.1.4.3 above) (personal communications, 2000b). Three verificationsamples were collected and analyzed for TPH concentration. The area was regraded, andthe surface scarified to encourage the establishment ofvegetation. Drawing C37(Appendix C) shows the location ofUC-1 Area Y.

• UC-1 Mud Pit E, CAS 58-09-05, was closed by site posting and placement of four abovegrade concrete monuments, during 1999 field activities. During the clean closure byexcavation ofUC-1 Area S, CAS 58-10-03, it was necessary to relocate the southwestcomer monument previously placed for Mud Pit E. The monument was movedapproximately 4.6 m (15 ft) north of its original location to provide better access forexcavation equipment. The monument location was resurveyed and its correct position isshown on the Drawing C25, Appendix C.

• Minor repairs were made to the UC-4 Mud Pit C cover on September 15,2000. Severalsmall erosion rills had formed on the eastern side slope of the cover; A front-end loaderwas used to place and compact clean fill in these rills. All repair work was documentedby photographs and field notes which will be included in the first annual Post-ClosureMonitoring Report. In addition, before demobilizing from UC-4, a motor blade was usedto rip the small staging areas to the west and northeast ofUC-4 Mud Pit C fence line.The staging areas were scarified to approximately 25 em (lOin) bgs to encourage theestablishment ofnative vegetation and reduce erosion.

• Page 10 of the CAP (DOE/NV, 2000) mistakenly stated that CAS 58-44-04, UC-3Area Y would be closed by relocating drilling mud/grout to the CMP cover as ahousekeeping site. Area Y is approximately 283 by 55 m (930 by 180 ft), and is locatedto the southwest ofthe UC-3 emplacement hole. No COCs above action levels werefound at this site during the 1998 site characterization, Appendix D of CADD (DOE,1999). Therefore, a No Action closure alternative was selected for this CAS at stated inthe NDEP-approved CADD (DOE/NV, 1999) and was implemented for CAS closure in2000.

• It was mis-stated in the CAP (DOE/NV, 2000) that CAS 58-19-01 was closed byhousekeeping activities in 1998. This CAS was not located in the field as stated in theNDEP-approved CADD (DOE/NV, 1999). No action was taken to close CAS 58-19-01.

2.3 CORRECTIVE ACTION SCHEDULE, AS COMPLETED

The correctiveaction field activities were performed in two phases. Phase I field activities beganon June 30, 1999, and were completed on October 15, 1999. Figure 2 ofAppendix B of theCAP (DOE/NV, 2000) shows the Phase I field activities as completed.

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Phase IT construction activities began on July 17, 2000, and were completed on September 26,2000. Seeding of the cover and the installation ofTDR instruments was completed duringOctober 2000. Transplanting native plant species onto the cover was completed during April2001. A Phase IT field activities schedule, as completed, is shown in Figure 11. Activities suchas post-closure monitoring are ongoing and are not included in this schedule.

2.4 eVA 417 FINAL SURVEY AS-BUILT DRAWINGS

The final engineering as-built drawings for the engineered covers, sites clean closed, and sitesclosed by posting are located in Appendix C. Figure 4 shows a cross section ofthe UC-4 MudPit C cover, and Figure 9 depicts a cross section ofthe UC-l CMP cover as constructed.

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J

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1

Activity MONTHSACTIVJ.T¥DESCRIPTION Duration 1---- -- -- ---~-~._- ---.-~- .-

JULY AUGUST SEPTEMBER OCTOBER 2000 APRIL2001--

II

... ..Mobilization 15

I----

Clean Closure ofUCl Area Y 2 •f--- ------ ------ --- f -_ .. .......,-- --- -----

Clean Closure ofUCl Area S 3 ~ if(

4 ~ lJfi

Clean Closure ofUC3 Area Z------- -_.-. ...... ,-_.- -"._--. --

42 -Clean Closure ofUC4 Area S -Clean Closure ofUC4 Area W 2 til

1-- ._-- -- ---- -_....._- .._.._- f--- ---- ----_... ..........._--_. .,-_.......... -- -_._----_...--UC-l CMP Cover Construction 54 - .. 1i

Fencing Installation 10 ~~I--- ..... - ---- --- ---------- _._-...... -_._---.- -_..._-_._..._-_._---

Subsidence Monument Installation 2 ~

Seeding and Mulching CMP cover 5 .4~1-- -- ------ - ------ --- ---- ..'._----_. ..,--,---..._.-. --_...... -_.._.- .__..",._-_. '---- _..... - -_.__... -'"'---''' ...._--". _._-_........_......._--,,_...,._..__.

TDR Installation 2 .4'"Transplanting Seedlings to CMP cove 5 .1-_ j~

--..-- --- ---,. .__....- _._._- -- ~----- f--- - -- --- f--- ---- --I- -

Demobilization 15 ... 1--

FIGURE- 11CAD 417 SCHEDULE OF ACTIVITIES AS COMPLETED


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Closure Report - CAU No. 417Central Nevada Test AreaSection: Waste DispositionRevision: 1Date: November 5. 2001

3.0 WASTE DISPOSITION

Wastes generated during the closure ofCAU 417 consisted of scrap metal, sanitary trash, and asmall amount ofpetroleum hydrocarbon-impacted soil.

Scrap metal generated by site activities was hauled to the NTS Area 23 Scrap Yard for salvage.A total of five truck loads, approximately 45.4 metric tons (50 tons), of scrap metal was hauled tothe NTS. The metal was subsequently recycled as scrap metal by a contracted recyclingcompany. All materials that were not recycled were disposed of in the NTS Area 23 sanitarylandfill.

Sanitary trash generated by site activities included paper, plastic, aluminum, and wood. Thiswaste was packaged into 9.2 L (35 gal) trash bags daily (four bags per work day) and transportedto the TTR for disposal. A total of approximately 26.5 rrr' (34.6 ft') of sanitary trash wasdisposed of during 2000 field work.

Petroleum hydrocarbon-impacted materials were removed from heavy equipment during thecleaning activities. All removed materials were incorporated into the UC-l CMP cover.

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Closure VerificationRevision: IDate: November 5, 2001

4.0 CLOSURE VERIFICATION RESULTS

CAU 417 was closed by implementing one offive closure actions at each CAS: No Action,Housekeeping, Administrative Closure by Site Posting, Clean Closure by Excavation, andclosure in place by constructing an Engineered Cover. Closure verification of the UC-l CMP byconstruction of an engineered cover consisted of a signed CAU 417 SITA ApprovalMatrix/Checklist located in Appendix G. Guidance for the UC-l CMP cover construction andverification was provided in the approved SITA Plan Phase II, Appendix E of the approvedCAP (DOEINV, 2000).

Guidance for the UC-4 Mud Pit C cover construction and verification was provided in theapproved SITA Plan Phase I, Appendix A of the approved CAP (DOEINV, 2000). A copy of thesigned SITA Approval Matrix for the Phase I construction activities is included in Appendix Aof the CAP (DOEINV, 2000).

4.1 DATA QUALITY ASSESSMENT

The closure of CAU 417 did not require the development of formal data quality objectives.Construction of the UC-l CMP and UC-4 Mud Pit C engineered covers were guided by thePhase I and Phase II SITA Plans, respectively. Phase II construction followed a SITA ApprovalMatrix and Checklist provided in Appendix E ofthis document. Phase I construction followed aSITA Approval Matrix and Checklist provided in Appendix A ofthe approved CAP (DOE,2000). For the CASs that were clean closed by excavation, soil verification samples werecollected and analyzed for the presence ofpetroleum hydrocarbons. Sample results are discussedbelow and included in Appendix A. All constructions and sampling QA standards identified inthe CAP (DOEINV, 2000) were met.

4.1.1 VERIFICATION SAMPLE ANALYSES

Five CASs (58-10-03 UC-l Area S, 58-44-06 UC-l Area Y, 58-44-03 UC-3 Area Z, 58-10-02UC-4 Area S, and 58-10-04 UC-4 Area W) were clean closed by the excavation ofhydrocarbonimpacted material. Verification soil samples were collected from 39 locations after theexcavations reached designated boundaries. The samples were collected with decontaminatedstainless steel sampling scoops and placed in labeled 250 milliliter (8 ounce) clear glass samplecontainers and secured with custody seals. The containers were placed in zip-lock plastic bags,in an ice-filled chest, and transported under chain-of-custody to Nevada EnvironmentalLaboratories in Las Vegas, Nevada for TPH analyses. Samples from 39 locations were analyzedfor TPH byU.S. Environmental Protection Agency (EPA) Method 8015M (EPA, 1996).Laboratory quality assurance and quality control results obtained during the analysis of theverification samples are included with the analytical results in Appendix A.

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Closure Report - CAD No. 417Central Nevada Test AreaSection: Closure VerificationRevision: IDate: November 5.2001

CAS 58-10-03, UC-l Area S Verification Results

Following excavation, five verification samples were collected at UC-I Area S on August I,2000 (Figure 5). One sample, UCISVI, exceeded the NDEP TPH action level of 100 mg/kg.Additional material was excavated from the immediate area around this sample location,approximately 6 by 6 by 0.3 m (20 by 20 by 1 ft) volume ofmaterial was removed. A sixthverification sample (UC1SV6) was collected from the bottom of the second excavation andsubmitted for TPH analysis. This sample did not exceed the TPH action level. After excavatingapproximately 1,177 m3 (1,540 yd') ofhydrocarbon-impacted material, and moving it to theCMP cover, UC-1 Area S is considered clean closed. Sample analytical results are found inTable 3 and in Appendix A.

CAS 58-44-06, UC-l Area Y Verification Results

.,

..III

•Following excavation, two verification samples were collected at UC-I Area Y (Figure 6). Onesample (UCIYV2) exceeded the NDEP TPH action level of 100 mg/kg. Additional material wasexcavated from the immediate area of this sample location; approximately 4.6 by 4.6 by 0.5 m III(IS by 15 by 1.5 ft) volume ofmaterial was removed. A third verification sample (UCIYV3)was collected from the bottom ofthis over-excavated area and submitted for TPH analysis. Thisdeeper sample did not exceed the TPH action level. Therefore, after excavating approximately III84 m' (110 yd') ofhydrocarbon-impacted material, and moving it to the CMP cover, UC-I AreaY is considered clean closed. Sample analytical results are found in Table 3 and in Appendix A.

•CAS 58-44-03, UC-3 Area Z Verification Results

Following excavation of approximately 1,621 m3 (2,120 yd') ofhydrocarbon-impacted material,six verification samples were collected at UC-3 Area Z (Figure 7). No sample exceeded theNDEP TPH action level of 100 mg/kg. Therefore, UC-3 Area Z is considered clean closed.Sample analytical results are found in Table 3 and in Appendix A.

CAS 58-10-02, UC-4 Area S Verification Results

UC-4 Area S is located in a east-west trending drainage ravine just north of the UC-3emplacement hole. Area S was excavated as two distinct areas, the upper western site and thelower eastern site. The area between the upper and lower sites was not extensively excavated ascharacterization results indicated no contaminated material present.

Verification samples were collected from both the upper and lower excavation sites. SamplesUC4SVI and UC4SV2 were collected from a O.3-m (I-ft) thick seam of dark material/mudexposed during excavation of the lower eastern site. The seam was confined to the lowerexcavation area. Results for the two samples were less than the TPH action level.

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Closure VerificationRevision: IDate: November 5. 2001

Samples UC4SV3, UC4SV4, and UC4SV5 were collected from a l-m (3.3-ft) thick dark seam ofmaterial/mud present in the southern wall ofthe upper excavation site. The seam was locatedapproximately 3 m (10 ft) below the top of the berm forming the Area S southern boundary, andappeared to continue south under the berm and beyond the boundary. With NDEP concurrence,the collected samples were analyzed for TPH components, gasoline, diesel, and oil to determineif any long-chain hydrocarbons were present in the stained material (personal communication,2000a). Results for the three samples were less than the TPH Action Level and this informationwas used to bound the lateral extent to the south of the upper area excavation.

Following excavation, 18 verification samples were collected at UC-4 Area S (Figure 8). Threesamples (UC4SV9, UC4SVI2, UC4SVI4) exceeded the NDEP TPH action level of 100 mg/kg,After additional excavation of the immediate area about these sample locations, deeper sampleswere collected (UC4SVI6, UC4SVI7, UC4SVI8) which did not exceed the action level.Sample analytical results are found in Table 3 and in Appendix A.

CAS 58-10-04, UC-4 Area W Verification Results

Following excavation, six verification samples were collected at UC-4 Area W (Figure 8). Nosample exceeded the NDEP TPH action level of 100 mg/kg. Sample analytical results are foundin Table 3 and in Appendix A.

4.2 LAND-USE RESTRICTIONS

CAU 417 has been closed in accordance with the approved CAP (DOE/NV, 2000). Site closureincluded the closure of two CASs by constructing engineered covers, and seven CASs (ninesites) by site posting. The future use of any land related to these 11 sites is restricted from anyactivity that may alter or modify the buried contaminated soil/material as approved by the Stateand identified in this CR unless appropriate concurrence is obtained in advance from the NDEP.

The specific location of the site boundary monuments and fence comers for the 11 sites that arerestricted are given on the CAU Use Restriction Information forms and drawings provided inAppendix F. This information is entered into the NNSAINV Facility Information ManagementSystem and the Central Data Repository. The original CAU Use Restriction Information form isfiled with the CAU 417 project file. In addition, the land-use restriction information will beplaced in the official BLM land withdrawal file (See BLM letter to DOE, Appendix F).

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Closure Report- CAU No. 417Central Nevada Test AreaSection: Post-Closure MonitoringRevision: IDate: November 5. 2001

5.0 POST-CLOSURE MONITORING PLAN

Post-closure monitoring of the CNTA sites is intended to determine:

• If maintenance and repairs to the UC-I CMP or the UC-4 Mud Pit C covers, fences, anddiversion channels are needed.

• If the UC-I CMP or UC-4 Mud Pit C covers are subsiding.

• If the UC-I CMP cover is performing as designed.

• The state of the health of the vegetation on the UC-I CMP cover.

• Ifmaintenance and repairs to the above-grade monuments and warning signs are needed.

• Ifmodifications to the use restriction administrative controls are needed.

Table 1 lists 24 CASs (29 sites) that were closed by taking no action or by housekeepingactivities. Sites include those having no COCs above Action Levels, housekeeping sites thathave been remediated, two septic tanks that were closed in place by backfilling with clean soil,and two USTs that were removed. These sites do not require any post-closure monitoring orinspections. In addition, the five CASs that were closed by excavation and limited regrading(Table 1), also require no post-closure monitoring. In total, 29 CASs (34 sites) do not requireany post-closure monitoring.

5.1 POST-CLOsuRE MONITORING REQUIREMENTS

The components of the CNTA post-closure monitoring plan are provided below.

5.1.1 Site Inspections

Post closure inspections of CAU 417 will be done quarterly, four times a year. Site inspectionswill include visual observations of the UC-I'and UC-4 covers, and all above ground monuments,attached warning signs, and survey pins. Each site inspection will be documented on a siteinspection form and with site photographs. The post-closure inspection will consist of thefollowing:

• A detailed visual inspection of the UC-I CMP cover and the UC-4 Mud Pit C coverfencing. The perimeter of the fencing at both covers will be walked by the inspector andthe condition ofthe barbed wire and the chicken wire fencing, warning signs, and

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Post-Closure Monitoring ..Revision: IDate: November 5, 2001

entrance gate and lock will be documented. ..

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•

•

A visual inspection of all above-grade monuments, attached warning signs, and affixedsurvey pins placed at UC-I, UC-3, and UC-4 sites for signs ofwear, disturbance,vandalism, presence of animal burrows, etc. Repairs to monuments and/or attached signswill be made during site inspection visits, or if necessary scheduled for later in thecalendar year.

Determine the condition of the two subsidence monuments on the UC-4 cover, and the 12subsidence monuments on the UC-I CMP cover. In addition, twice a year all subsidencemonuments will be surveyed to determine if the covers have subsided.

Any changes to the cover or fenced area will be documented. Specific changes include,but are not limited to, the presence of trash/debris inside the fenced area, animal burrowson the cover or under the perimeter fence, the presence oferosion features on the cover,cover side slopes, or diversion channels. Any changes in the health of the CMP covervegetation will also be documented.

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5.1.2 Cover Monitoring ..The UC-I CMP cover was designed to limit infiltration into the underlying waste unit byremoving soil moisture from the cover by transpiration by vegetation on the cover surface. Theeffectiveness of the cover design will be determined by monitoring soil moisture content in thecover. Soil moisture content will be measured by TDR sensors buried at various depths in thecover. ..TDR sensors were buried in the cover at two locations during cover construction (see Section2.1.7.7 and Figure 10). At each location two TDR sensors were placed at 0.15,0.46,0.76, and1.07 m (0.5, 1.5,2.5 and 3.5 ft) below the surface of the cover (Figure 10). The TDR nests arelocated approximately 48 m (157 ft) northwest and 48 m (157 ft) northeast of the location of theinstrument vault located off the southern edge of the cover (Figure 10, Drawing WI, AppendixC). Data is collected once per day from each TDR sensor and stored in a datalogger located inthe instrument vault. The stored TDR data and precipitation data are retrieved periodically bysatellite link for processing and analysis.

5.1.3 Compliance Criteria

The CNTA UC-I CMP cover boundary is defined by the fence installed around the cover. Thefence encloses approximately 6 hectares (14.8 acres). The point ofcompliance for the UC-Icover is the depth ofthe deepest TDR soil moisture probe (approximately 1.07 m [3.5 ft] bgs).Cover compliance will be based on the soil moisture content of the cover. The specific criteria

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Post-Closure MonitoringRevision: IDate: November 5. 2001

will not be set until the cover has had sufficient time to reach equilibrium. Once the soilmoisture content within the cover has reached equilibrium, soil moisture trigger values will beagreed upon with the NDEP.

If soil moisture data indicate that the cover is not operating according to established compliancecriteria, the NDEP will be notified ofthe noncompliance within 14 days. After NDEP has beennotified ofnoncompliance, a work plan will be submitted to the NDEP within 90 days outliningthe proposed remediation/investigation plan. All corrective actions will be documented in theannual Post-Closure Monitoring Report.

5.1.4 Site Maintenance and Repair

If a site inspection shows conditions that require major repairs, or that either the UC-l CMPcover or UC-4 cover are not in compliance, the NDEP will be notified and a work plan proposingthe corrective actions prepared and submitted to the NDEP within 90 days.

• Non-critical cracks, animal burrows, settling features less than 15 em (6 in) deep will berepaired by hand during site inspection visits.

• Minor features such as the presence of small mammal burrows, cracks, settlingimperfections, or erosional rills «15 em [6 in]), etc., will be repaired during inspectionvisits, or ifnecessary, scheduled for repair on an annual basis.

• In critical areas (on side slopes adjacent to the cover, or on the cover itself), cracks,settling features, erosional rills, animal burrows larger than 15 em (6 in) deep whichextend 1 m (3 ft) or more will be evaluated and repaired within 60 days of detection.

• Twice a year the 12 subsidence monuments on the UC-l CMP cover and the twosubsidence monuments on the UC-4 Mud Pit C cover will be surveyed to determine if thecover has subsided.

• Damage to the fencing surrounding the UC-l cover and the UC-4 cover will be evaluatedand repaired within 60 days of detection.

All repair work will preserve the original cover "as built" design and will be documented in theannual post-closure inspection report. If repair of the cover requires modification to the coverdesign, the NNSNNV will present a formal design modification request to the NDEP prior tomaking the repairs.

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Closure Report - CAUNo. 417Central Nevada Test AreaSection: Post-Closure Monitoring iiiRevision: IDate: November 5. 200 \

5.1.5 Annual Reporting IIIIi

A post-closure inspection will be made twice a year for five years following completion ofclosure field activities. All inspection and maintenance activities conducted during the year will IIIibe documented and included in the annual monitory report. The annual Post-Closure MonitoringReport will be submitted by the NNSA/NV to the NDEP and will include the followinginformation: ..

• A brief narrative and discussion of all post-closure inspection activities and observations.•

• Copies off all completed inspection checklists (Appendix H) and maintenance records.

• UC-l CMP soil moisture content profiles through the previous year.

• Survey settlement data. IIIi

• Maintenance and repair documentation (if any).

• Specific recommendations for non-standard maintenance or changes in post-closuremonitoring.

All closure and post-closure monitoring documentation will be retained in project files and willbe available on request.

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Closure Report - CAU No. 417Central Nevada Test AreaSection: Summary & Recom.Revision: 1Date: November 5. 2001

6.0 SUMMARY AND RECOMMENDATIONS

6.1 SUMMARY

The following site closure activities were performed at the 34 CASs comprising CAU 417 andare documented in this report:

• No closure action was taken at 13 CASs (17 sites): 58-05-01,58-07-01,58-05-04,58-09-05 (Mud Pits C and D only), 58-35-01, ~8-05-02, 58-09-06 (Mud Pits A, B, C, andD), 58-10-06, 58-19-01,58-35-02, 58-44-04, 58-05-04, and 58-09-03 (Mud Pit E only).

• Housekeeping activities, collecting scrap materials, and transporting to approved landfillsites at the NTS were used to close seven CASs: 58-44-01,58-44-02,58-44-05,58-98-03,58-98-01,58-98-02, and 58-98-04.

• Two CASs (58-05-03 and 58-99-01) were closed by excavation and removal ofUSTs.

• Two septic tanks (CASs 58-05-05 and 58-05-06) were closed by backfilling with cleanfill.

• Site posting with above-grade monuments and attached warning signs and land-userestrictions were used to close seven CASs (nine sites): 58-09-02,58-09-05 (Mud Pit Eonly), 58-09-06 (Mud Pit E only), 58-10-01, 58-25-01, 58-09-03 (Mud Pits A, B, and D),and 58-10-05.

• Clean closure by excavation soil with TPH levels greater than the NDEP action level of100 mg/kg and limited regrading was used to close five CASs: 58-10-03,58-44-06,58-44-03,58-10-02, and 58-10-04.

• Construction of engineered covers was used to close in place two CASs: 58-09-01 and58-09-03 (Mud Pit C only). Following construction, a fence was constructed around eachcover to prevent damage to the cover or intrusion by wildlife.

6.2 RECOMMENDATIONS

Since the closure activities for CAU 417 have been completed following the NDEP-approvedCAP (DOEINV, 2000) as documented in this CR, the NNSAINV requests:

• A Notice ofCompletion be provided by the NDEP to NNSAINV for the closure ofCAU 417 (CAS 58-05-01, 58-07-01, 58-09-01, 58-09-02, 58-09-04, 58-09-05,58-10-03,58-35-01,58-44-01,58-44-02,58-44-05,58-44-06, 58-98-03, 58-05-02, 58-05-03,58-05-05, 58-05-06,58-09-06,58-10-01,58-10-06,58-19-01, 58-25-01, 58-35-02,

53

Closure Report - CAU No. 417Central Nevada Test AreaSection: Sununary & Recom.Revision: 1Date: November 5, 2001

58-44-03,58-44-04,58-98-01,58-98-02,58-98-04, 58-99-01, 58-05-04, 58-09-03,58-10-02, 58-10-04, 58-10-05)

• CAU 417 be moved from Appendix ill to Appendix N of the FFACO "ClosedCorrective Action Units."

•

54

•

•

1

•

II

Closure Report - CAU No. 417Central Nevada Test AreaSection: ReferencesRevision: IDate: November 5, 200 I

7.0 REFERENCES

BN, see Bechtel Nevada.

Bechtel Nevada, 2000a. Field Management Plan for Corrective Action Unit 417 Central NevadaTest Area Surface. Nevada, Las Vegas, NV.

Bechtel Nevada, 2000b. Site Specific Health and Safety Plan for Closure Activities for the CentalNevada Test Area: CAU 417, Revision 1, Las Vegas, NV.

DOEINV, see U.S. Department ofEnergy, Nevada Operations Office.

EPA, see U.S. Environmental Protection Agency.

FFACO, see Federal Facility Agreement and Consent Order.

Federal Facility Agreement and Consent Order of 1996 as amended. Agreed to by the NevadaDivision of Environmental Protection, U.S. Department ofEnergy, and U.S. DepartmentofDefense.

Levitt, Dan. 2001. Personal communication to K. Campbell, Bechtel Nevada EnvironmentalRestoration.

Nevada Administrative Code, 1996. NAC 445A.2272, "Contamination of soil: Establishment ofaction levels," As adopted by the Nevada Environmental Commission, October, CarsonCity, NV.

Sanders, Peter. 2000a. Personal communication from Paul J. Liebendorfer, P.E., ChiefDepartment of Conservation and Natural Resources, Nevada Division of EnvironmentalProtection, during August 16, CNTA site visit.

Sanders, Peter. 2000b. Personal communication from Sig Jaunarajs, Nevada Division ofEnvironmental Protection.

U.S. Department ofEnergy, Nevada Operations Office, 1997. Corrective Action InvestigationPlan for Central Nevada Test Area CAU No. 417, Revision 0, DOEINV-450, Las Vegas,NV.

U.S. Department of Energy, Nevada Operations Office, 1998. Nevada EnvironmentalRestoration Project. Health and Safety Plan, Revision 3, Las Vegas, NV.

U.S. Department ofEnergy, Nevada Operations Office, 1999. Corrective Action DecisionDocument for Corrective Action Unit 417: Central Nevada Test Area Surface. Nevada,Revision 1, DOEINV-524, Las Vegas, NV.

55

Closure Report - CAU No. 417Central Nevada Test AreaSection: References •Revision: IDate: November 5. 2001

U.S. Department ofEnergy, Nevada Operations Office, 2000. Corrective Action Plan for IIICorrective Action Unit 417: Central Nevada Test Area Surface. Nevada, Revision 0,DOE/NV--588, Las Vegas, NY.

IIIU.S. Environmental Protection Agency, 1996. Test Methods for Evaluating Solid Waste.

PhysicaVChemical Methods, EPA Publication SW-846, Third Edition.

Wycoff, Runore, 1998. Letter to Paul J. Liebendorfer, P.E., ChiefDepartment of Conservationand Natural Resources, Nevada Division of Environmental Protection, December 30,1998.

IIIll

•

..

56

APPENDIX A

VERIFICATION SAMPLINGANALYTICAL RESULTS

THIS PAGEINTENTIONALLY LEFTBLANK

•....

•

•..

II

••

•

•....

•

CLIENT:

ATIN:

NEL LABORATORIESReno • Las Vegas • Boise

Phoenix • Sacramento

BechtelNevadaP.O. Box 98521,MISNTS273Las Vegas,NV 89193-8521Ted Redding

Las Vegas Oivisiol4208 Arcata Way. Suite A • Las Vegas. NV 89031

(702) 657-1010· Fax: (702) 657-15~1-888-368·328:

PROJECI'NAME: V853PROJECI'NUMBER: 17777

NELORDERID: LOOO8027

Attachedare the analyticalresults for samplesin supportofthe abovereferenced project.

Samplessubmittedfor thisproject were not sampledby NEL Laboratories. Sampleswere receivedby NEL ingood condition. under chain ofcustodyon 8/2/00.

. Shouldyou have any questionsor comments, please feel free to contactour ClientServicesdepartmentat (702)657-1010.

r

~o/bate

CERTIFICATIONS:Reno Las Vegas S. California Reno LasVegas S. California

Arizona AZ0520 AZ0518 AZ0605 Idaho Certified Certified"""" California 1707 2002 2264 Montana Certified Certified

US ArmyCorps Certified Certified Nevada NV033 NVOS2 CA084ofEngineers L.A.C.S.D. 10228

NEL LABORATORIES •

Total Extractable Petroleum Hydrocarbons by EPA Method 8015M, December 1996EPA8015M ..L0008027

Solid ANALYST: SLB - Las Vegas Division --

SAMPLE NEL RESULT Reporting Surrogate iiiDATE SAMPLEID mglkg g Limit Recovery* EXTRACI'ED ANAL¥ZED

811100 L0008027-o1 170 D 20.mg/kg 91 % 8/2/00 813/00

•8/1100 LOOO8027-02 41 D 20.mgIkg 82 % 812100 813/00

8/1100 LOOO8027-03 62 D 20.mg/kg 91 % 812100 813100 ..811100 L0008027-04 20 D 20.mglkg 90 % 8/2/00 813/00 ..811100 LOOO8027-05 24 D 20.mg/kg 86 % 812100 813/00 -,

...I'

•

CLIENT:PROJECI'ID:PROJECI'#:

TEST:MElHOD:ORDERID:

MATRIX:

CLIENTSAMPLEID

UCISVI

UCISV2

UClSV3

UClSV4

UClSV5

Bechtel NevadaV85317777 III

•...

•C.R.: Carbon Range

D Diesel Range Organics (CI0 to C28).QUALITYCONTROL DATA (Total for DieselRange):Sample In Result Acceptable Range Surrogate Recovery* Sample Number

Blank, 000802TP -BLK NO < 20 mg/kg 94 % NA

LCS,000802TPHS-LCS 68 % 54 - 91 % 100 % NALCSD,000802TPHS-LCSD 65 % 54 - 91 % 91 % NA* Surrogate used was Oetaeesane, acceptance Umits 55-130%.

NO - Not DetectedThisreport shall not bereproduced except infull, withoutthe written approvalofthe laboratory.

2

..•

III

III

•

1

BechtelNevada

V 1 1 I T "II J )! I~

L00'0 ~:?o:;).7 "1)/3 . CUlilUQV tleallnlal:t: &M "nnn.6 ..ANALYTICAL SERVICES LABORATORY CondtIon....1IGIIv8d: Fa , '4

SERVICES REQUEST & CHAIN OF CUSTODY RECQ,BD "l5"age.Lof.....LREPORTINFORMATION

'5endReportto: lAteN. /11~~~~~pt;:;~-72.// IFi4~_ 77'/ I~ .i'"Turnaround' ( ) Standard - 30 days~~~,DaYS.f!!!t. r~·_··-----.H Rush Prelinlnary by: InuJ'£ Elnal by.

~ VOl, final reporttonna~ Standard ( ) NTS-WAC ( ) Other:

PROJECT' a.IENT INFORMATION

Project: CAlrl1tJAl7O BNOrgl: 2.r5"'z,Charge N°'i::..l;t;..D/lfAc. ASl Prog.:

ProjectManager: WtJ.YIf~ .:s;,/'flr-o;J'2JS:0S'73 IF~5'- 7'7,(/

LAB USE ONLJ

(~es ( )No

RadSGD:

RadPackel:

ClIent ServIces Representative:

VBs"3 ANALYSES & METHOD

Non-RadSOO: ~,,;,!.J6SAMpLE RECEIPTINFOA~

Areansample contaJnera receivedIntactuYes ( ) NoComrnenIs:_' _

Dothe labelsagreewithIhIsform?Comments: _

Win theseanalyses be performedllncl8r a signed SOW? () YES ( ) NOII so,do analyses entered here agree with the SOW? ( ) YES ( ) NO ( ) NlAII not,ldentifylhe varlatlon _

CSRInitialsindicating review and approval: Date: _

Wasa Material Clearance Tag 8UbmIIted? ~es ( ) NoComments:

,J

.,"J'.."

COMMENTS(Pre..rvatlve, .Izelvolume, MSIMSD.

...-cIa! analyal., ... rnatrbl code, count time,etc.)

"'»;/ 5'~.1'~1 -CalNl 11&1 J-.. .r OJ /. ~I' ' .AHU. S .,

.- ....

".

MATRIXSAMPlING

DATE nME

1'..,....,0 '''(lfJ SoIl.1/' 1tJt1 Ib~ :4.:JillvlJl~p ,,,, -rJdIEh/p# IIV f" IIs,,~~ 1/1'-1' 'fJI1

\.

10'DESCRIPTION

IJL~<vl

t..lL.J(;.Uz..

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7

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~OS 45

8

9Transler01 S8Il1lIes submItIed foranalyses Completeforsamplesshipped toan OFF-8ITE Subcontract ubcniory ·IJ~'-8ampledlRellnquished (SignatureJOrganlzallon)

I

DATE'TIME Rqlved by (SignalUre.'Organlzatlon)

fhlN /~Z1 ." I. - 'a JII/GR-e~ ~c:;;;,. :l .0 l'./' ~/,~ " ..-~o1(o S'~. - ~,

Relnqulshed (BN Representative SIgnature) DATEI TIME ReceIved (Courier& TrackingInlo.)

dU ~ A 'rrJ~'-J$f1:J !IJNt:tJul''''Y- "JAL"~1r'

Re (Courier& TrackingInfo.) DATE' TIME ~lved (1st~ ..,.....uaetor Rep)

Relinquished (1st tier Subcontractor Rep) DATE' TIME ReceIved(2nd tI4r~ractor Rep)

BNo0732 (o:?J98)

CLIENT:

ATIN:

NEL LABOh~TORIESReno • Las Vegas • Boise


BechtelNevadaP.O. Box 98521, MIS NTS273Las Vegas,NY 89193-8521Dave Madsen

las Vegas Divisic4208 Arcata Way, Suite A • las Vegas. NV 890~

(702) 657-1010· Fax: (702) 657-1571·888·368-321:

PROJECT NAME: V870PROJECTNUMBER: 17777

NEL ORDERID: LOOO8129

Attachedarc the analytical results for samples in supportofthe abovereferencedproject.

Samples submittedfor thisproject werenot sampledby NEL Laboratories. Sampleswere receivedby NEL ingood condition, under chainofcustodyon 8/10/00.

Shouldyou have any questions or comments, please feel free to contactour ClientServicesdepartment at (702)657-1010.

"3hJmDate

CERTIFICATIONS:Reno. Las Vegas

ArizonaCaliforniaUSArmy CorpsofEngineers

AZ0520 AZ05181707 2002Certified Certified

S. CaliforniaAZ06052264

IdahoMontanaNevadaL.A.C.S.D.

Reno Las Vegas S. CaliforniaCertified CertifiedCertified CertifiedNV033 NY052 CA084

10228

NEL LABORATORIES

Bechtel NevadaV87017777 •

SLB - Las Vegas DivisionANALYST:

Total Extractable Petroleum Hydrocarbons by EPA Method 8015M, December 1996EPA801SMLOO08129

Solid

CLIENT:PRomcrID:PROJECf#:

TEST:METHOD:ORDERID:

MATRIX:

CLIENTSAMPLEID

UCISV6

SAMPLEDATE

819/00

NEL RESULTSAMPLE ID mglkg

L0008l29-01 NOCoR.

NO

Reporting SurrogateLimit Recovery* EXTRACTED ANAL¥ZED

20. mg/kg 85 % 8111/00 8111/00

..r

III

•

..-C.R.: Carbon Range

QUALITYCONTROL DATA (Totalfor DieselRange):

SampleID Result Acceptable Range Surrogate Recovery* Sample Number

Blank, 000811TP -BLK NO < 20 mg/kg 81 % NA

LCS, 000811TPHS-LCS 68 % S4 - 91 % 78 % NALCSD, 000811TPHS-LCSD 65 % 54 - 91 % 78 % NAMS, 000811TPHS-MS 79 % 34 - 110 % 93 % L0008118-03MSD, 000811TPHS-MSD 74 % 34· - 110 % 88 % L0008118-03* Surrogate used was Octacosane, acceptance limits 55-1300/••

..

NO - Not DetectedThis reportshall not be reproducedexcept infull. withoutthe written approvalofthe laboratory.

2 ',.,...•

\ 1 1 I t ) l

Bechtel Nevada.......................ANALYTICAL SERVICES LABORATORY

SERVICES REQUEST& CHAIN OF CUSTODY RECORD Page J of (

ProjectManager: LvJIl Y~ -::J<,~tlj07YJ

Phonei."fS-- 051~ IF8X":2..,S-- 77 / 1 I~ 3{)~

REPORTINFOR~~

send Reportto: Dll"~ II.. te:

p~.,.- 72.11 IFax:21'')- -17M IMI5~.H"6Turnaround' ( ) Standard- 30 daysNon-~?:!! ~ts Rad, Other: _

. W-Rush Pl1llimlnary by. YJ 1:"11() U Rnal by.

Final reportformat: ( ) Standard ( ) NTS-WAC ( ) Other:

()LYes ( ) No

COMMENTS(P.....rvatlve. alzelvolume, MSIMSD.

apeclalanalyala, rad matrix code, count time. etc.)

SAMPLE RECEIPTINFORMApgtt~san:'econtainers received Intact \c':) Yes ( ) No

00 the labelsagree with thisform?Comments: _

Was a MaterialClearance Tag submitted? (\h Yes ( ) NoComments: T:-----------

ANALYSES. METHOD

./

MATRIX

()YES()NO( ) YES ( ) NO ( ) NlA

SAMPUNG

DATE nME

YBUSEONLY

Non-RadSOG: \Jg 1-0INon-RadPacket: LV Iq J'f

IDI DESCRIPTION

3

ITEM

2

AadSGD:

Wilthese analysesbe performed undef a signed SOW?If BO,do analysesentel1ld hel1lagreewiththeSOW?If nol, identifythe varlalion _

CSR initialsIndlcatingreviewandapproval: Date: _

RadPacket:

Clientservices Representative:

l'( 01

4

5

6

7

.'1ft'CII-- .....-

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9Translerof samplessubmittedfor analyses Complete for samplesshipped toan OFF-srrE SUbcontrlct LabcntOl'y I.JE!LSampledlAe!inquished (Slgnatul1llOrganizalion) DATE' TIME Received by (SignaturelOrganizalion) Relnqulshed (BN Representative Slgnatul1l) DATE' TIME Received (Courier& Tracking Info.)

- 1

ReU':'lfllshed(Courier& TrackingInfo.) D~E ,'rIME RecelvedjsJ,le/Subcontraetor Rep)

IIT~ r ·Alnrt... t 1LfL, V'o-ltJHo "4 ,£, .fYA. ~ReUnqulshed (1st tier SubcOntractor Rep) CATE' TIME R~ (2ndIier Subcontractor Rep)

IBN.Q732 102198\

..- CLIENT:

ATIN:

NEL LABORATORIESReno. Las VegasPhoenix. Boise

Bechtel NevadaP.O. Box 98521, MiS NTS273Las Vegas, NY 89193-8521Dave Madsen

Las Vegas Division4208 Arcata Way, Suite A • Las Vegas, Nevada 89030

702-657-1010. Fax: 702-657-15771-888-368-3282

PRomCf NAME: V884PROmCf NUMBER: 17777

NEL ORDER ID: L0008325

Attached are the analytical results for samples in support of the above referenced project.

Samples submitted for this project were not sampled by NEL Laboratories. Samples were received by NEL ingood condition, under chain of custody on 8/28/00.

Should you have any questions or comments, please feel free to contact our Client Services department at (702)657-1010.

Stan VanWagenenLaboratory Manager

CERTIFICATIONS:Reno Las Ve~as

-ArizonaCaliforniaUS Anny Corpsof Engineers


S, CaliforniaAZ06052264


Reno Las Vel:as S. CaliforniaCertified CertifiedCertified CertifiedNV033 NY052 CA084

10228

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 801SM, July 1992EPA 8015M ANALYST: JRW - Las Vegas DivisionSolid EXTRACTED: 8/29/00I ANALYZED: . 8/29/00

CLIENT:PROJEcrID:PROJEcr#:

TEST:MEmOD:MATRIX:nrurrrox

Bechtel NevadaV88417777

CLIENT ID: UCIYVIDATE SAMPLED: 8/25/00NEL SAMPLE ID: L0008325-01

•PARAMETERGasoline Range (C8-C12)Diesel Range (CI2-C22)Oil Range (C22-C34)Total

QUAUTY CONTROL DATA:

SurrogateOctacosane

ResultNO39 mg/kg

NO39 mg/kg

% Recovery

96

ReportingLimit

10. mg/kg10. mg/kgSO. mglkg10. mg/kg

Acceptable Range54- 130

••

ND - Not DetectedThis reportshall not be reproducedexcept infull, withoutthe written approval0/the laboratory.

2

•

••

..••

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 8015M, July 199ZEPA 801SM ANALYST: JRW - Las Vegas DivisionSolid EXTRACTED: 8/29/001 ANALYZED: ·8/29/00

CLIENT:PROJECfID:

PROJECf#:

TEST:METIIOD:MATRIX:DILunON:


CLIENT ID: UCIYVZDATE SAMPLED: 8/25/00NEL SAMPLE ID: LOO08325-02

PARAMETERGasoline Range (C8-CIZ)Diesel Range (CI2-ell)Oil Range (C22-C34)Total


Surrogate

Octacosane

Result

38 mg/kg

NO69 mg/kg

107 mg/kg

% Recovery

106

ReportingLimit

10. mg/kg

10. mg/kg

SO. mg/kg

10. mg/kg


ND - Not DetectedThis report shall not be reproduced except injull. without the written approval ofthe laboratory.

3



CLIENT 10: Method BlankDATE SAMPLED: NANEL SAMPLE 10: 000828TPHS-FPI-BLK

l•

TEST:METIIOD:MATRIX:

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 8015M, July 1992EPA 8015M ANALYST: JRW· Las Vegas DivisionSolid EXTRACTED: 8/29/00

ANALYZED: . 8/29/00

•PARAMETERGasoline Range (C8.CI2)Diesel Range (CI2-C22)Oil Range (C22-C34)Total

QU.A.UTY CONTROL DA.TA:

SurrogateOctacosane

Result

NONONONO

% Recovery93

ReportingLimit

10. mg/kg10. mg/kgSO. mglkg10. mg/kg

Acceptable Range54- 130 .

••

NO • Not DetectedThis report shall not be reproducedexcept infull, without the written approvalofthe laboratory.

4

•

•

III

•

) I 1 ) 1 1 1 1

Irlchtsl Ns,p"a n... A_ ANALYTICAL SERVICES LABORATORY / ~A/I'17\ ('}7Z r-E ....... onUSERVICESREQUEST&CHAIN OFCUSTODY RECORD tJ/vu. 0./ )Page..Lo'.L

ProfecI: t::UTA~ r'I", BN0rgI: :Jjt;")..

1D1a,geNo·~9e;..:,14A~ I~~~u

ProjectManager: W ~y,u. .:;r.,LItfI~ Y1

Phone: ' I,.ax: I ~~-U~- 0'-("7 3 2/(~- 77'1 1~30'

.BEPCIIT IFOBMAIQI

SIInd Report 10: ~VI! Ihll tI"PI

1~~-7J..1/ IFIr,..,S'"_ 7 U '/ IMfS

:IV7_C; '?vA( ) SIandInI· 30 day8NcJn.rad. 80 Days Rad,0Ihllr.

Tumlround: bfRush PfeImktary by: !dhwa§' :"2~·---:I!n/::-:JO~iR)--

FInIIreport formal: ( ) Standard ( ) NTS·WAC ( ) Ohlr.

RadSGD:

f)6VH ( )No

W..a Me.....aea,.. TagUlmIIIlId'I ~VU ( )NoCommenIa: ----------

fWIII.E BECEti 1NfQB1IA~ .Aled .....,.. corUlnIra recelved InIacI Ve. ( )NoCommenIa:

'-~--------

Do..1IbeII....wlI\ tillonn?ca••ulnll: _

ANALYSES .. METHODUIUSEQNLY

-'..... ~I

WI beperIonned 1Igned SON? ( ) YES ( ) NO QlN10, do enliIfedhint aGree SON? ( ) YES ( ) NO ( ) HlA u1 c

" not,IdIIlIfr lie varlalon VCSA""1ndIcaIIng review andappronI: Dale: _

COMMENTS(PrHervaUft, 1IIeIvoI...... MSlMSO•......anal"'" rad matIIa code. count uma.ete.)

!ZJ(..,A6 .h-JA", Ii,

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2

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ReInquIshed (BN~lIve SIgnature) DATE'TIME Reoelved(Courier & Tracldnllinlo.)

AeInquiIhed (CourIer aTraddngInfo.) DATEf'TIME Received (hIller SUbconIraclor Rep)

:mrIf pe lelaI",,:

Relnqulshed (tllller &Dxnraca Rep) . DATE 'TIME ReceIved (2nd IieI Subc;onIractllf Rep)

llN-Clm (02191'

CLIENT:

A1TN:

NEL LABOl-tnTORIESReno • Las Vegas • Boise


BechtelNevadaP.O. Box 98521, MIS NTS273Las Vegas, NY 89193-8521Dave Madsen

Las Vegas Divisic4208 Arcata Way, Suite A • Las Vegas, NV 890:

(702) 657-1010· Fax: (702) 657-15~1-888-368-321

PROJECTNAME: NA 5/)~g~

PROJECTNUMBER: 17777NEL ORDERID: L0009010

--

-

Attached are the analyticalresults for samplesin support of the above referencedproject.

Samplessubmittedfor this projectwere not sampledby NEL Laboratories. Sampleswere receivedby NEL ingood condition,under chain of custodyon 9/1/00.

Shouldyou have any questions or comments, please feel free to contactour ClientServicesdepartment at (702)657-1010.

r

Date

CERTIFICAnONS:Reno Las Vegas

ArizonaCaliforniaUS Army Corpsof Engineers




Reno Las Vegas S. CaliforniaCertified CertifiedCertified CertifiedNY033 NYOS2 CA084

10228

NEL LABORATORIES

Total Extractable Petroleum Hydrocarbons by EPA Method 80 ISM, December 1996EPA8015ML0009010

Solid ANALYST: SLB - Las Vegas Division

••

CLIENT:PROJECTID:PROJECT#:

TEST:METHOD:ORDERID:

MATRIX:

CLIENTSAMPLEID

UCIYV3

Bechtel NevadaNA17777

SAMPLEDATE

8/31/00

NELSAMPLEID

L0009010-0 1

RESULTmglkg

ND

r

CoR.ND

..Reporting Surrogate

Limit Recovery· EXTRACTED ANAL¥ZED ._

20. mg/kg 95 % 915100 915100

•,

•

••

•C.R.: Carbon Range

QUALiTY CONTROL DATA (Total for Diesel Range):

Sample·ID Result Acceptable Range Surrogate Recovery· Sample Number

Blank. 000905TP -BLK NO < 20mglkg 107 % NA

LCS.000905TPHS-LCS 85 % 54 - 91 % 92 % NALCSD. 000905TPHS-LCSD 83 % 54 - 91 % 101 % NAMS.00090STPHS-MS 84 % 34 - 110 % 91 % LOO09010-01MSD. 00090STPHS-MSD 82 % 34· - 110 % 93 % L0009010-0 1• Surrogate used was Octacosane, acceptance limits 55-130%.

••

ND - Not DetectedThis report shall not be reproduced except infull, without the written approval ofthe laboratory.

2

•

) 1 ) ) 1 ) 1 1

~

..~~ - . - ..Bechtel Nevada ANALYTlCAL SERVICES LASORATORY .

Page I «.I:SERVICES REQUEST & CHAIN OF CUSTODYRECORD .

PROJECT' CLIENT _ORMATION REPORT INFORMAJION IAI!'LE INFOIUIADO!

Pnllett .".AY1"A tUJ f) 0 8N 0rgIJ: .!l-K'1. send RIPaft tD: 1>411' AA~ "'..~" 8ImpIng SIll: tc c -I Arr"t, yICh8Ige NO.:~ ~ ~ ..... ,IAt: ASlProg.: Phone~_ 1 'LII .1FU~S_ ..,..,.,l/ 11n.iff,r ~.. TheumplellUbmIltId CIOIlI8fn (dleck);

EJl'YI '7 ~ , )HIurdous ( ) IWIollc:dve MUnllnown

PrajeclMInegir: 'WtLy 116 ..::r;,ltllt~nTumwaund: ( ) StIndIrd· 30 dlIyI~.IO;;::HM, Other: c:ontan*IaIIon. II kncNm, alIadt I briernarrative IUmmIIy

IdenIIryIng conIIrr*lIrda. ThIsInfannIIlon..eneura·~UIh PNIImkIaly~ n Final~

~ IFU lin: CamplIInce wIIh appIIcIIlIe regu\ItklnIlIIId IIIow far the life"f) ~- 4~"73 :J-fr- 771./ i/f$SpJ flnlllreport fDrmIt ( ) standanI ( ) NTS-WAC ( ) Other: handing c11he ..... maI8rl8II.

LABUSEOHLY ANALYSES & METHOD SAIFLE RECEIPT INFORMATION

RadSGD: Non-Rad 800:Ale II ..... COl........ receIYed IntacI ( ) Ves ( ) NoComrnanIs:

RadPlclcet INon-Rad Padcet

/CIIenl servtces RepI.......IIw: Vj Do thelIbeIIagreewIIh ItlI bm? ( )Ve. ( )NoCommenII:

... .

!~WI........be P81roimed under aligned saM t )YES ( ) NO r;1110, do IfIIIVIetenInd tin ..,..wlIh lie SOW? ( ) YES ( ) NO ( ) MfA

~weal MItIrIII CIeIIWQ Till eubntIed? ( ) Ves ( ) No

If not,Identify the Vlriallan Comrnenta:CSRInIIIIIIIndlcIIIng review and appRlVIII: • 0*:

t-:} SAIIPUNG COMMENT!. lID'DEICRPTION DATE" MAtRIX (PresIIYItIn, eIaIVoIume, IISIIISD•

......• naly.... rIId InItrIll code. counttime•••)

0 (,tc 1YVJ JhJl4Q J/2t- ~Olt. a/ ~~1M~ At. ia1 -,

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6 - ~ .• -". PIV\F·~ ._. J ~j"- wi! Dft

7 ...... .., ..\..:../" ~I'...

8 ..... h v, . <,..9 V '/ / '\

TrInIfIr cI umplellUbmIlted for..... //J / CcmpIete for.....1hIppId to III OFF-IITE IubccIfterIct LabonIIaty

~ (S1gIlllLn/'Ol'pnlZ) DAle/DE .-.... ) ReInquiIIIed (IN RepruenCdwt SIgnItura) DAle/DIE ReceIVed (COUrier &Traddng Info.)

.I: Jf /!._ j~~/ A •._" . ~ L It."",' J Y;-l. ~. ',L \.-lU.r

/ "-1/ RIInquIIhed (CourIer. TrDlng 1nI!).) DATE/TIME ReceIVed (1sttierSUbconlnIdar Rep)

rReInquIIIled (1,t .... Wlc:onncD Rep) DATE/DIE ReceIved (2nd tierSubconlnldat Rep)

'~:f~ I~_......a..



CLIENT: BechtelNevadaP.O. Box 98521, MIS NTS273Las Vegas,NV 89193-8521

ATIN: DaveMadscnCA~b/"C..-

PROJECTNAME: CNTACleshlel 106' ytt#fPROJECTNUMBER: 2152

Las Vegas Divisiol4208 Arcata Way, Suite A· Las Vegas, NV 89031

(702) 657-1010· Fax: (702) 657·1571-888-368-328:

NEL ORDER10: LOOO8076

.-

'Attachedarc the analyticalresults for samplesin supportof the above referencedproject.

Samplessubmitted for this project were not sampledby NEL Laboratories. Sampleswere receivedby NEL ingood condition,under chain of custodyon 8n/OO.

Should you have any questionsor comments, please feel free to contact our Client Servicesdepartmentat (702)657-1010.




S. CaliforniaAZ060S2264


Reno Las Vegas S. CaliforniaCertified CertifiedCertified CertifiedNV033 NVOS2 CA084

10228

C.R.: Carbon RangeQUAUTY CONTROL DATA (Totalfor Diesel Range):

Sample ID Result Acceptable Range Surrogate Recovery· Sample Number

Blank, 000807TP -BLK. ND < 20 mglkg

LCS, 000807TPHS-LCS 77 % S4 - 91 %LCSD, 000807TPHS-LCSD 73 % S4 - 91 %• Surrogate used was Octacosane, acceptance limits 55-130%.

83 %81 %93 %

NA

NANA

••..

••

•NO - Not DetectedThis report shall not be reproduced except in full, without the written approval ofthe laboratory.

2

•III

•

'1 1 I I ) '1 1 1 t I \1 1 'J J 1 ) I l

~'J. ~Q)s:;rsQ)1 <o 01 '\'00 AUg 01QR:Ql

Bechtel /(IfBJf ANALYTICAL SERVICES LABORATORYPage_'of_,SERVICES REQUEST& CHAIN OF CUSTODY RECORD

ProlectManaaer: I. '1tIL J.k(~

r"Z95-0573 IFax:;1.{/5-7/&1

1

1~~l306

REPORTINEORMADON

~~ro: DA~ ~,~

2A"-7~1/ j:ax59;:-21" ItNSpIs30'• T 00' ( ) Standard· 30 days Non-rad, 60 DaysRad, Other: _

umarou 'HRush Preliminary by: "f6r1 Rnalby:

RnaI report rorrnat: )¥Standard ( ) NTS·WAC ( ) Other:

Will theseanalyses be performed undera signed SOW? () VES ( ) NOIf so, do analysesentered hereagreewiththe SOW? ( ) VES ( ) NO ( ) NlAIf not,Identifythe Yaria!lon _

CSRinitialsindicating review andapproval: Date: _

CHent servicesRepresentative: ¥ves ( )No

\J

<.~ p '::;fh .....'~ ......~_~_~<--i ~ ~1',v~

COMMENTS(P.....rv8tlve. alzelvolume, MSlMSD,

apectal analysla, red matrix code, count time, etc.)

--or

Dothe labelsagreewiththisIorm?Comments: _

SAMPLERECEIPT INFORMADONAreansample containers received in!act ~Ves ( ) NoComments: _

Wasa Material Clearance Tag submilted? 'tV) Ves ( ) NoComments: .".--------------."

t11 ~., ...( ~,~"::t:

~I

ANALYSEB II METHOD

if'

"

//

tIt/

-VI - I 1/

v7'7

~il

....

MMRIXSAMPUNG

DATE I DME

~/~ I/S()9J •

13/~/.x

15/J!.xJ t.:lQ3'fhi» /3.2..3

Non-Rad SOG: V8' c../INon-Rad Packet: tU ICf08'

LAB USE ONLY

ID'DESCRIPT10N

UC32.V(

U{:n.vZUc~~113

uc.3:Z 1/6

¢3i!l/f.

d~32.:Vr

5

6

TTEM

RadPackeI:

RadSGD:

~4

61J!-W_ 1

2

No

~.0:)

crtt:iS

7 /8

9

1774¥ t1'rte7

Transferof samplessubmitted for analyses Complete forsamplesshippedto an OEE-8ITE Subcontract Laboratory Ait:1.Relinquished (BNRepresentative SIgnature) I DATEI TIME I Received (Courier& Tracking Info.)

TI\-rA1iitInLi~~ -9Jr-- - l'ih1m J'''tm I,'RAJ f /'I" A I r:;'D

Relinquished (Courier& TIr'cldng IntO,) I 6Alt/TIME I Received (1st tierSubcontractor Rep)

SampleO'Relinquished (Signature.Qganlza!lon)

.k.... . _ '~.._., L// .-.

o~.JI~L-:'oJ R1\1EI!.~j""J,.L.,/ ~ 61h.A,

DATE, TIME I Received by (SIg!!8lurelOrganizatlon)

~hk/616 l~j.A1~

l~h/()t1tJA3.8 IQJ., 1'-'· k.A9~~~I nA?:.~~_~

7 Relinquished (1st tier Subcontraetor Rep) DATE'TlME I Received (2nd tier Subcontractor Rep)

,: Qriglna~o be retalrilld J)ylaboratory~ final ina~~ l ·l~!!! !!!!!~ ~ '!'~,~ __ 9"I1li . Jnl8J'!lllldiilteanalysia

BN-ll732 (02J98)

CLIENT:

ATI'N:

NEL LABORATORIESReno. Las VegasPhoenix. Boise

Bechtel NevadaP.O. Box 98521, MIS NTS273Las Vegas, NV 89193-8521Ted Redding

Las Vegas Division4208 Arcata Way, Suite A • Las Vegas, Nevada 89030

702·657-1010. Fax: 702-657-15771-888-368-3282

PROJECT NAME: NAPROJECT NUMBER: 17777

NEL ORDER ill: L0008188

--


Samples submitted for thisproject were not sampled by NEL Laboratories. Samples were received by NEL ingood condition, under chain of custody on 8/17/00.


Sample UC4SVS has peaks below the reporting limit eluting in the Diesel/Oil range. The peaks do notresemble either Diesel or Oil.


Stan Van WagenenLaboratory Manager

CERTIFICATIONS:Reno


La~ Ye~as S, CaliforniaAZ06052264


~J/r- /SS/J-(,?Date :

Reno Las Ve~as S, CaliforniaCertified CertifiedCertified CertifiedNV033 NV052 CA084

10228

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 801SM, July 1992EPA 8015M ANALYST: SLB - Las Vegas DivisionSolid EXTRACTED: 8117/001 ANALYZED: ·8/18/00

PARAMETER

Gasoline Range (C8-C12)Diesel Range (CI2-Cll)Oil Range (Cll-C34)Total


TEST:METHOD:MATRIX:DILUTION:


CLIENT ill: UC4SVlDATE SAMPLED: 8/16/00NEL SAMPLE ill: L0008188-01

Result

NDNDNDND

ReportingLimit

10. mg/kg10. mglkg50. mglkg10. mg/kg

i.......

QUALITY CONTROL DATA:

Surrogate

Octacosane

0/0 Recovery

83

Acceptable Range

54- 130 ..NO - Not DetectedThis report shall not be reproducedexcept infull. withoutthe written approvalofthe laboratory.

2

..••..

II

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 8015M, July 1992EPA 8015M ANALYST: SLB - Las Vegas DivisionSolid EXTRACTED: 8/17/001 ANALYZED: 8/18/00

CLIENT:PROJECfID:PROJECf#:

TEST:MElHOD:MATRIX:DILUTION:


CLIENT ID: UC4SV2DATE SAMPLED: 8/16/00NEL SAMPLE ID: L0008188-02

PARAMETERGasoline Range (C8-CI2)Diesel Range (C12-C22)Oil Range (C22-C34)Total


Surrogate

Octacosane

Result

NO31 mg/kg

NO31 mglkg

% Recovery

76

ReportingLimit

10. mg/kg10. mglkg50. mglkg10. mglkg


NO - Not DetectedThis reportshall not be reproduced exceptinfull, withoutthe written approvalofthe laboratory.

3

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 8015M, July 1992EPA 8015M ANALYST: SLB - LasVegas DivisionSolid EXTRACI'ED: 8/17/001 ANALYZED: ·8/18/00





•

NO - Not DetectedThis report shall not be reproducedexcept inJUII, withoutthe written approvalofthe laboratory.

PARAMETERGasolineRange(C8-C12)Diesel Range (CI2-C22)Oil Range (C22-C34)Total

QUAliTY CONTROL DATA:

Surrogate

Octacosane

Result

NONONONO

% Recovery

83

ReportingLimit

10. mglkg10. mglkgSO. mglkg10. mglkg


III

III

..

•••••

I

••

..4 •

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 801SM, July 1992EPA 8015M ANALYST: SLB - Las Vegas DivisionSolid EXTRACTED: 8/17/001 ANALYZED: 8/18/00

CLIENT:PROJECT 10:PROJECT#:

TEST:METIIOD:MATRIX:DILUTION:


CLIENT 10: UC4SV4DATE SAMPLED: 8/16/00NEL SAMPLE 10: LOOO8188-04

PARAMETERGasoline Range (C8-C12)Diesel Range (CI2-C22)Oil Range (C22-C34)Total


SurrogateOctacosane

ResultNONONONO

% Recovery

81

ReportingLimit



-

NO - Not DetectedThis report shall not be reproduced except in full, without the written approval ofthe laboratory.

5

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 8015M, July 1992EPA 8015M ANALYST: 8LB - Las Vegas DivisionSolid EXTRACTED: 8/17/001 ANALYZED: 8/18/00

PARAMETERGasolineRange (CS-C12)DieselRange (C12-C22)Oil Range (C22-C34)Total




CLIENT ID: UC4SV5DATE SAMPLED: 8/16/00NEL SAMPLE ID: LO008188-05

Result

NONONONO

ReportingLimit

'10. mglkg10. mg/kg50. mglkg10. mg/kg

..••

••QUAUTY CONTROL DATA:

Surrogate

Octacosane

% Recovery

85


NO - Not DetectedThis report shall not be reproducedexceptinfull. withoutthe written approvalofthe laboratory.

6

••11II

•........•11II

..

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 801SM, July 1992EPA 80lSM ANALYST: SLB - Las Vegas DivisionSolid EXTRACTED: 8/17/00

ANALYZED: 8/18/00

CLIENT:PROJECfIO:PROJECf#:

TEST:MElHOD:MATRIX:


CLIENT 10: Method BlankDATE SAMPLED: NANEL SAMPLE 10: 000817TPHS-FP-BLK

PARAMETERGasoline Range(C8-C12)Diesel Range(CI2-C22)Oil Range (C22-C34)Total


SurrogateOctacosane

Result

NONONONO

-/0Recovery80

ReportingLimit

10. mg/kg10. mglkg50. mg/kg10. mglkg


,-

ND - Not DetectedThisreportshall not be reproducedexcept infull, withoutthe writtenapprovalofthe laboratory.

7

1 1 I 1 1 1

Bechtel Nevada ANALYTICAL SERVICES LABORATORYS!ERVICES REQUEST& CHAIN OF CUSTODY RECORD Page lof I.......................... .

PRQJECT! CLIENTINFORMATION REPQRTINfQRMATION SAMPlE INFORMADON

Project: "co/AliA 'l/.X)O ~k~ BNOfgl: '-,'5z- SendReportto: Ds~ .A"~d.v// saql!lngSlte: 1/,-1{ At!6 SChargeNo.: ,.~ I'~LJ,1/Ac: ASlProg.:

P'l;s-- '1,/1 FllX";i..7~_ 716/ I~yo.< The samplessubmiI!ed contain (check);{~Unlcnown( ) Haardous ( ) Rlldlolct!.

ProjectManager: Wo.~ n.f. ~~:7V\Turnaround: ( ) Standard· 30daysNon-rad, 60 DaysRad. Other. contaminallon. If known, attacha brief narrative SURVna'Y

)c(Rush Preliminary by: Utik,. IS final by: identifyingcontaminants. Thisinformation willensurePhone: I IFllX"j.J#t;-7?bl 1~3ob Finalreportlonna!: ( ) Standard ( ) NTS-WAC ( ) Other.

compliance with applicable regulations andallowfor the sale2IJS-~73 handlingof !he sa"1lle materials.

LAB USEONLY ''t ANALYSES & METHOD SAMPLE RECEIPT INFOBMADON

RadSGD: Non-Rad SOO: "~11<1t- -: .......) Areansample containers received Intact ( ) Yes ( )Nollij '.c- Comments:~ ...INon·Rad Packet: -: ~RadPacket: " oJ

i ~ClientServices Representative: Dothe labels agreewith!hIsform? ( ) Yes ( ) NoComments:

~WiU !heseanalyses be performed undera signedSOW? {)YES{)NO

~~If so,do analyses entered hereagreewiththeSOW? ( ) YES ( ) NO ( ) NlA Wasa Material Clearance Tag submitted? ( ) Yes ( ) No

If not. identifythe varlallon ..., Comments:

CSRinitialsindicating review and approval: Date:

I SAMPLING ::t. COMMENTST .9.1:~ /DESCRIPDON MATRIX r.: (P.....rv.tlve. slzelvolume.MSlMSD,E a II DATE DMEM specIe! .N1lysl., rIIdmatrix code, count tIme, etc.)

\ 0 / I ul i',1j~ I:J~ "iD1'l '>\ S&-.,,!.L J?~.HI kJ'«'-- 7 V tlC".s~

~ 1 IJt:I./~UL . 1311 ){,. •

/lJ~ (11Jt1 6. 1

~ 2 I~ C-I.ISUJ 1:sS'/ }. e;,,.~Au~~C ,l

~3 f.Jcl.l~Vtl /JS$' ~ f 4oM~lt..lJ jis~/lJ4 lu.t.I(l/~

,~ 1"1173 ,~ ~ \ I .(;, I~':"Lt f qJ.A""~VJ.r.-5

,

6 - a.....,1 .. ~ "a. ,. ':;l>~-7 - -"--~_. - -" B. ~ .~

'- _. ~8 • r- / v9 )

Transferof sa"1lles submitted lor analyses Complete lor samples shipped to an OFF-SITE Subcontract L.boratory

Sa"1lledlRelinqulshed (SignaturelOrganization) DATE/TIME Received by (SignaturelOrganizallon) ReInqul8hed (BNRepresentative Signature) DATEITIME Received (Courier& Tracking Inlo.)

.e: A. '-~~ ". JiT-b ~f'~ rou d!()b AIEl-u /' ReRnqulshed (Courier& Tracking Info.) DATEITIME Received (1st tier Subcontractor Rep)

Relinquished (1sttier SUbcontractor Rep) DATE/TIME Received (2nd tier Subcontractor Rep)

DistribUtion· Q~!ll - To be rela!neg !lY !8!Joratory==rnnal a~_s BN-ll732 1021981. '11, Io~ re!a!rMK! !JY ~bofa!ory ormno ntermediate analVRi..

ooo

... ....Data File : c: \HPCHE.. .2\DATA\000818\0818-04.D Vial: 43Aeq On 18 Aug 20100 10:20 am Operator: JRWSample LOO08188-01 Inst SeymourMise : SOIL SAMPLE Multiplr: 1.00IntFile events.eQuant Time: Aug 21 13:01 2000 Quant Re.sults File: TPOO07F2.RES

Quant MethodTitleLast UpdateResponse viaDataAcq Meth

Volume Inj.Signal PhaseS.1.gnal Info

200000

180000

160000

1«XJOO

12DODO

100000

80000

60000

..

C:\HPCHEM\2\METHODS\TP0007F2.M (Chemstation Integrator)6/21/99 Seymour Front TPHMon Jul 17 11:26:50 2000Multiple Level CalibrationTP9907R1.M

0818-04.Dv:lD1A

r

«XJOO I:;.;

-•2DODO ai

A~o~

'- .. J

I I! 1 .1 1 -' 'I .' .1 ~I .1 ... 'I .1 ~l_ ~r :1 .1.

0.00 2.00 4.00 6.00 8.00 10.0012.0014.0016.0018.0020.0022.0024.0026.0028.0030.0032.0034.0036.0038.0040.00

0818-04.D TP0007F2.M Mon Aug 21 13:01:43 2000 Page 2

..48JRWSeymour1.00

Vial:Operator:InstMultiplr:

-...C:\HPCHE 2\DATA\000818\0818-06.D18 Aug 20100 11:11 amL0008188-02SOIL SAMPLEevents.eAug 21 13:05 2000 Quant Results File: TP0007F2.RES

'Data File :Acq OnSampleMiseIntFileQuant Time:

Quant MethodTitleLast UpdateResponse viaDataAeq Meth

Inj.PhaseInfo

C:\HPCHEM\2\METHODS\TP0007F2.M (Chemstation Integrator)6/21/99 Seymour Front TPHMon Jul 17 11:26:50 2000Multiple Level Calibration

: TP9907R1.M

0818-06.D\FJD1A

,•..Ii

200000

180000

160000r

III

140000 III

120000 •100000

..60000 ..

20000

o

•III

..I", I"""" 'I"""'" ,1..""" ,,,,,,,,,,,,,,,,,1,.1., I'" "" "I'" 'I' """"I""",,, I' "'1""1'

0.00 2.00 4.00 6.00 8.00 10.00 12.0014.0016.0018.0020.0022.0024.0026.0028.0030.0032.0034.0036.0038.0040.00me

0818-06.D TP0007F2.M Mon Aug 21 13:05:29 2000..

Page 2

•"'.,..t .--~'-_. ----- =============---====---_.....~_----:::.:.:..:;::.:-

Quant Results File: TP0007F2.RES

/ ~ta Fil.e :/ ~Cq On :

sampl.e :MiseIntFile :Quant Time:

.,c: \HPCHl .2\ DATA\000818\0818-08. D18 Aug 20100 12:03 pmL0008188-03SOIL SAMPLEevents.eAug 21 13:07 2000

Vial:Operator:InstMultiplr:

49JRWSeymour1.00


C:\HPCHEM\2\METHODS\TP0007F2.M6/21/99 Seymour Front TPH

: Mon Jul 17 11:26:50 2000Multiple Level CalibrationTP9907Rl.M

(Chemstation Integrator)

Volume Inj.Signal PhaseSignal Info

0818-08.D\FID1A

200000

180000

160000 r

1«XXJO

12000D

100000

80000

60000

2000D

of.-J ~ l 1 ~~~'-------

TmeI"" I"" 0"" I"" i"" J." I"" I"" I"" I"" I',J,,;'" I"" 1'" '1"" I"" I"" I"" I"" I"" I'

0.00 2.00 4.00 6.00 8.00 10.0012.0014.0016.0018.0020.0022.0024.0026.0028.0030.0032.0034.0036.0038.0040.00

DB1B-OB.D TP0007F2.M Mon Aug 21 13:08:17 2000 'Page 2

m----_........--_......_---------..........=.._=...'-=...•.. _. -.-.- .. -_._--

•

•

•..

50JRWSeymour1.00

Vial:Operator:lnstMultiplr:

"


..

: C:\HPCHEM\2\METHODS\TP0007F2.M6/21/99 Seymour Front TPHMon Jul 17 11:26:50 2000

: Multiple Level CalibrationTP9907R1.M

•C:\HPCH~\2\DATA\000818\0818-10.D

18 Aug 20100 12:55 pmL0008188-04SOIL SAMPLEevents.eAug 21 13:10 2000 Quant Results File: TP0007F2.RES

Data FileAeq OnSampleMiselntFileQuant Time:


Volume Inj.Signal PhaseSignal Info

0818-10.D\FID1A

2DOOOO

1BOOOO ..160000 I'

IIIlI140000 ..120000

..100000

..80000

•BOOOO

..20000

l;.t

. .I~~:!II&~--- ---oJ \t..'- ...u...L. ---eL=::::jJJJ'~----I-1

..•

Ir....I.··,i •••• , •• • , , ' ••• , ' ••• ,I...,....,'...,.... I ' ... , •1,·I·,·..·I • • • , I' • , • I • • • • , • • • , I • • • • , • • • • I ' , , • I • • • • I '

0.00 2.00 4.00 6.00 8.00 10.0012.0014.0016.0018.0031.0022.0024.0026.0028.0030.0032.0034.0036.0038.0040.00 ..0818-10.D TP0007F2.M Mon Aug 21 13:10:59 2000 Page 2'

••

52JRWSeymour1.00

Vial:Operator:Inst :Multiplr:

• •C:\HPCHEM\2\DATA\000820.SEC\0820-09.D20 Aug 20100 10:55 pmL0008188-05 .SOIL SAMPLEevents.eAug 21 12:07 2000 Quant Results File: TP0008R2.RES

Data FileAeq OnSampleMiseIntFile :Quant Time:


: C:\HPCHEM\2\METHODS\TP0008R2.M6/21/99 Seymour Front TPH

: Fri Aug 18 07:42:19 2000Multiple Level CalibrationTP9907Rl.M


Volume Inj.Signal PhaseS~cJnal Info

082Q.09.O\FID2B

280000

220000

200000

160000

1040000

120000

100000

80000

60000

2QOCIO

o~

.2QOCIO

L .:00 2.lXl ..00 ..00 ..00 ,J'ilXl....lIl'• .llO'..lXI20m!...24.l10211.l1028.lXI3l1.llll0i0034:lXI3B.D11..:lXI~lXI '

0820-09.D TP0008R2.M Mon Aug 21 12:07:41 2000 Page 2

NEL LABORATORIESReno • Las VegasPhoenix. Boise

Las Vegas Division4208 Arcata Way, Suite A • Las Vegas. Nevada 89030

702-657-1010. Fax: 702-657-15771-888-368-3282

CLIENT:

ATI'N:

Bechtel NevadaP.O. Box 98521, MIS NTS273Las Vegas, NY 89193-8521Ted Redding

PROJECT NAME: V881PROJECT NUMBER: 17777

NEL ORDER ill: L0008264




Reno Las Ve2as S. CaliforniaCertified CertifiedCertified CertifiedNY033 NV052 CA084

10228


AZ06052264

S. CaliforniaLas Ve2asAZ0520 AZ05181707 2002Certified Certified


fA.' ./~. )'1/ /J//11';' //;, /' /,~,1«£ ~ 'fi4~ .tp"./l

Stan Van Wagenen .' /'Laboratory Manager "

CERTIFICATIONS;Reno

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 801SM, July 1992EPA 8015M ANALYST: JRW - Las Vegas DivisionSolid EXTRACTED: 8/23/001 ANALYZED: ·8/24/00





•Reporting

PARAMETER Result LimitGasoline Range (CS-e12) NO 10. mglkgDiesel Range (CI2-Cn) NO 10. mglkg

Oil Range (Cn-e34) SO mglkg SO. mglkg ••Total SO mg/kg 10. mg/kg

QUALITY CONTROL DATA: ..Surrogate % Recovery Acceptable Range

Octacosane 75 54- 130

ND - Not DetectedThis report shall not be reproduced except in full. without the written approval ofthe laboratory.

••II

III

..

..III

..II

2 III

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 8015M, July 1992EPA 8015M ANALYST: JRW - Las Vegas DivisionSolid EXTRACTED: 8/23/001 ANALYZED: . 8/25/00

CLIENT:PROJECTID:

PROJECT#:

TEST:MElHOD:MATRIX:DILUTION:



,-

ReportingPARAMETER Result LimitGasolineRange(CS-e12) NO 10. mglkgDieselRange (C12-e22) NO 10. mglkgOil Range(C22-C34) NO SO. mglkgTotal NO 10. mglkg


Surrogate % Recoverv Acceptable RangeOctacosane 74 54- 130

NO - Not DetectedThisreportshall not be reproducedexceptinfull. without the writtenapprovalofthe laboratory.

3

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 8015M, July 1992EPA 8015M ANALYST: JRW - Las Vegas DivisionSolid EXTRACTED: 8/25100I ANALYZED: 8/24/00

PARAMETER

Gasoline Range (C8-CI2)Diesel Range (CI2-C22)Oil Range (C22-C34)Total


TEST:METIlOD:MATRIX:DILUTION:


CLIENT ID: UC4SV8DATE SAMPLED: 8/22100NEL SAMPLE ID: L0008264-03

Result

NONONONO

ReportingLimit

10. mglkg10. mglkg50. mglkg10. mglkg

..

III

.....


Surrogate

Octacosane% Recovery

89


III

NO - Not DetectedThis reportshall not be reproducedexcept infull. withoutthe written approvalofthe laboratory.

4

..III

..

..

..III

..

..•....•

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 801SM, July 1992EPA 8015M ANALYST: JRW - Las Vegas DivisionSolid EXTRACTED: 8/23/001 ANALYZED: . 8/24/00

CLIENT:PROJECT 10:PROJECT#:



CLIENT 10: UC4SV9DATE SAMPLED: 8/22/00NEL SAMPLE 10: L0008264-04

,-

PARAMETERGasoline Range (C8-CI2)Diesel Range (C12-C22)Oil Range (C22-C34)Total

Result

NO4086

126

mg/kgmg/kgmg/kg

ReportingLimit

10. mg/kg10. mg/kgSO. mg/kg10. mg/kg


Surrogate

Octacosane

% Recovery

103


ND - Not DetectedThis report shall not be reproduced except inJUII. without the written approval ofthe laboratory.

5

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 801SM,July 1992EPA 8015M ANALYST: JRW - Las Vegas DivisionSolid EXTRACTED: 8/23/001 ANALYZED: . 8/24/00




CLIENTID: UC4SVI0DATE SAMPLED: 8/22/00NEL SAMPLE ID: LOOO8264-05

IIIl

III

PARAMETERGasoline Range (C8-CI2)Diesel Range (CI2-C22)Oil Range (C22-C34)Total


Surrogate

Octacosane

ResultNONONONO

% Recovery

68

ReportingLimit



...

NO - Not DetectedThis reportshall not be reproducedexcept in full, withoutthe written approvalofthe laboratory.

6

..•

..

..III

..•

•

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 8015M, July 1992EPA 8015M ANALYST: JRW - Las Vegas DivisionSolid EXTRACTED: 8/23/00I ANALYZED: ·8/24/00




CLIENT ID: UC4SVllDATES~LED:8a2rooNELS~LE ID: L0008264-06

PARAMETERGasolineRange (C8-CI2)Diesel Range (CI2-C22)Oil Range (C22-C34)

Total

Result

NDND6464

mg/kg

mg/kg

ReportingLimit

10. mg/kg10. mg/kgSO. mg/kg

10. mg/kg

QUAliTY CONTROL DATA:

Surrogate

Octacosane

% Recovery

77Acceptable Range

54- 130

,-

ND - Not DetectedThis report shall not be reproduced except in full, without the written approval-ofthe laboratory.

7

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 801SM, July 1991EPA 8015M ANALYST: JRW - Las Vegas DivisionSolid EXTRACTED: 8/23/00I ANALYZED: . 8/24/00

CLIENT:PROJECfIO:PROJECf#:



CLIENT 10: UC4SV12DATESANWLED: 8~2roO

NEL SAMPLE 10: LOO08264-07

•

..Reporting

PARAMETER Result LimitGasoline Range (C8-CI2) NO 10. mglkgDiesel Range (CI2-C22) 22 mg/kg 10. mglkgOil Range (C22-e34) 140 mg/kg 50. mglkg .l1li

Total 162 mg/kg 10. mglkg

QUALITYCONTROL DATA: IIISurrogate % Recoverv Acceptable Range

Octacosane 8S 54- 130

•NO - Not DetectedThis report shall not be reproduced except in full, without the written approval ofthe laboratory.

l1li

•

l1li

l1li

•

. "

8 •

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 801SM, July 1992EPA 8015M ANALYST: JRW - Las Vegas DivisionSolid EXTRACTED: 8/23/00I ANALYZED: . 8/25100

CLIENT:PROmeI'ID:PROmeI'#:



CLIENT 10: UC4SV13DATE SAMPLED: 8/22/00NEL SAMPLE 10: L0008264-08

PARAMETERGasoline Range (C8-C12)Diesel Range (C12-C22)Oil Range (C22-C34)Total


SurrogateOctacosane

Result

NONONONO

0/0 Recovery77

ReportingLimit

10. mg/kg10. mglkgSO. mg/kg10. mg/kg


-


9

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 8015M, July 1992EPA 8015M ANALYST: JRW - Las Vegas DivisionSolid EXTRACTED: 8/23/001 ANALYZED: . 8/25/00




CLIENT ID: UC4SV14DATESANWLED: 8n2rooNEL SAMPLE 10: L0008264-09

III

III

PARAMETERGasoline Range (C8-C12)

Diesel Range (CI2-C22)

Oil Range (C22-C34)

Total


Surrogate

Octacosane

Result

22 mglkg

43 mg/kg

140 mg/kg

205 mglkg

% Recovery

82

ReportingLimit

10.. mglkg

10. mg/kg

50. mglkg

10. mglkg

Acceptable Range

54- 130

.111


10

..

t

•

..

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 801SM, July 1992EPA 8015M ANALYST: JRW - Las Vegas DivisionSolid EXTRAcrED: 8/25/001 ANALVZED: . 8/25/00


TEST:ME1HOD:MATRIX:nrurnos.


CLIENT ID: UC4SVISDATE SAMPLED: 8/22/00NEL SAMPLE ID: L0008264-10

PARAMETERGasolineRange(C8-C12)Diesel Range(CI2-C22)Oil Range (C22-C34)Total


Surrogate

Octaeosane

Result

NONONONO

% Recovery

97

ReportingUmit

10. mg/kg10. mg/kgSO. mg/kg10. mglkg


NO - Not DetectedThisreportshall not be reproducedexceptinfull, withoutthe writtenapprovalofthe laboratory.

11

Total Extractable Petroleum Hydrocarbons FuelFinger Print by EPA Method 801SM, July 1992EPA 8015M ANALYST: JRW - Las Vegas DivisionSolid EXTRACTED: 8/23/00

ANALYZED: 8/24/00


TEST:METIlOD:MATRIX:


CLIENT ID: Method BlankDATE SAMPLED: NANELSAMPLE ID: 000823TPHS-BLK

•

•

•

PARAMETER ResultReporting •Limit

Gasoline Range(C8-C12) ND 10. mglkgDieselRange(C12-C22) ND 10. mglkgOil Range(C22-C34) ND 50. mglkg ••Total ND 10. mglkg

QUALITY CONTROL DATA: JSurrogate % Recovery Acceptahle Rang~Octacosane 95 54- 130

ND - Not DetectedThis report shall not be reproduced except inJUII. without the written approval ofthe laboratory.

CLIENT: Bechtel Nevada CLIENT ID: Method BlankPROJECT ID: V881 DATE SAMPLED: NAPROJECT #: 17777 NEL SAMPLE ID: 00082STPHS-FP-BLK

TEST:METIlOD:MATRIX:

Total Extractable Petroleum Hydrocarbons Fuel Finger Print by EPA Method 8015M, July 1992EPA 8015M ANALYST: JRW - Las Vegas DivisionSolid EXTRACTED: 8/25/00'

ANALYZED: 8/28/00

PARAMETERGasoline Range(C8-C12)Diesel Range(CI2-C22)Oil Range(C22-C34)Total


SurrogateOctacosane

Result

NDNDNOND

% Recovery92

ReportingLimit

10. mglkg10. mglkg50. mglkg10. mglkg


•ND - Not DetectedThis report shall not be reproduced except in full, without the written approval ofthe laboratory.

12

ii

ill

1 ~

L~(J)Q ~~\s1-\

,OJ . t

(:j~5

])"1.~i'

"

B'a le" "a ' lIal'~"~ ANALYTICAL SERVICES LASORATORY •1I11"If;i' "~~a~~ SERVICESREQUEST& CHAIN OF CUSTODY RECORD Page JOf-/-

PROJECTl CLIENT 'NFOAMADON REpoRT INFORMADON SAMPLE 'NFORMADON

Project: c./lITII Zd"" BNOrgI: ;)../~ SelldReportID: tJ,,~ /IIJ..pH'J- S8ll1ll1noSlte: UC--'t 1f...cu" sCharge No.: _ u ~ JI ASI.;Prog.: Phone: .- I' Fax: _ 7 ,. I MIS: J The samples llUbmitted contain(check);

~ C}l(j..O/.,sc: 2-~!> - 7,-)1 -z.'s - 7701 N7s ]'r:?o ( ) H8unIouI ( ) Rldlolcllve ~\Jnknown• '~' .. .» Turnar lid' ( ) Standard· 30 daysNon-rad, 60 DaysRad, Other: contamination. If known. attacha briefnarratlvitsummary

ProjectManager: WA-t~ ~J,I1PJ? 011 • ~Rush PreIImlnaryby. <tIAtzt!YJ Finalby. IdentifyIngcontaminanls. Thisinformation wiD ensure

Phone: • ~ IFax: 'C; 1Mr.:i: compliance wiIhapplicable regulations andallowforthe safe~.;-- Cl5"73 2.:17 - 7 7'I ~.f :b& Flna! reportIonnat:p(standan:t ( ) NT5-WAC ( ) Other: handing ofthe sa_ materials.

LAB USE ONLY , 10 ( ANALYSES & METHOD SAMpLE RECE'PT INFOAMADON

BadSGD: Non-BadSDG: V 0 g' "'§ ~~oontalnersrecelvedlntact ( )Yes ( )No

BadPacket: INon-Rad Packet: W l C[ ss: ~~

CIIenI 5elVicesRepreaenlative: , Dothe labelsagreewith this form? ( ) Yes ( ) No) Comments: _

~WiD theseanalyses be performedundera signedSOW? () YES ( ) NO ~If so.do analyses enteredhereagreewiththeSOW? ( ) YES ( ) NO ( ) NlA !Ie! Wasa Material Clearance Tag submitted? ( ) Yes ( ) NoIf not,icIentIty the variatiOn ~ ." Comments:CSRlnilialsIndicating reviewandapproval: Date: ~ :.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.-:

l SAMPLING ~ COMMENTSE ID I DESCRIPTION MATRIX F. (pre.rvatlve, .Izelvo'ume, MSlMSD,Ii DATE nME lpecl" aM'p", rid matrix code, count time, ate.)

),\ 0 uc.I,JSV6 ~bt/. IwR ~il ,/ "'J?- 1 iU~~f"l/ 7 . . I If.II7t ,/

m 2 IlIc..ttSVf I~ c/:.., 3 I tU:'''I sv1 lSI'! t/

6 4 ILU..C/<:V 10 1~/7 0/

)(5 5 , ~ c. 1.Ig1111 I.t;,). -z ./ ~ J t 0 r'

=l 6 UC,/SVJl/ 1S-.3' II' I~ .A'Seall VflNOne,~

~ 7 1.1 Co 'I! 11/3 '": 15J4 V ..... ill" : rwr \. '.Jj:J 8 f!,.£'ICI/IY ~ '"3 v,Gj 9 It Co £ISJII~ l J 1~'15' ,,~ -d

Transfer of samples submitted for analyses Complete for salJ1)les shipped to an OFF-srrE Subcontnct ....boratory JJEl-5ampleO'Relinqulshed (SignatureJOrganization) DATEI TIME Received by (SlgnaturelOrganizatlon) Relnqu!shed (BNRepresentative Signature) DATEI TIME Received (Courier &TrackingInlo.)

,.£... .(1 I"; ~~ ~AJEj.i ol'/~ ~.,~ O~... -.,/ ICI\ ('• .J-In." .nlA X,..i":;,. rT)1J~ n Ali ('IV})') J,r::z.

U ..m,.~~ .'i' Z~I ~~ •• """'l ~...urJ ReRnquished (Courter &Tracking Info.) DAlt/TlttE Received(1sttierSu~&'1lraCtorRlp)

"1A A ';}--j 4-tP' 71t1/F/l. b/-;.,L t!J1W"§" '" , 'JIr~';t,~~,J~ I< AJ r~~( J ,(1 \ f.-a 'rOh':lloolSo.:~ ~ /ReUnqulshed (1st tier Subcontractor Rep) DATEI TIME ReceIVed (2nd"tler Subcontractor Rep)

DlStrIlUI1OfI: VflIIlnl)ll· 10 pe~lne<! ~ !&~a!ory peryOrJ11!I1Q p_~~.!~,!~s '_L .... ~~~~ ..........

I

Qa~-

oe

NEL LABO""~TORIESReno • Las Vegas • Boise


CLIENT: Bechtel NevadaP.O. Box 98521, MIS NTS273Las Vegas, NY 89193-8521

ATIN: Ted Redding

PROJECT NAME: NA 50? I/~"PROJECT NUMBER: 17777

Las Vegas Divisio4208 Arcata Way, Suite A· Las Vegas. NV 8903

(702) 657-1010· Fax: (702) 657-1571-888-368-328

NEL ORDER 10: LOO08328




I'

....CERTIFICATIONS:

Reno Las VegasArizonaCaliforniaUS Anny Corpsof Engineers




Reno Las Vegas S. CaliforniaCenified CertifiedCertified CertifiedNY033 NY052 CA084

10228


•

•ANALYST: JRW - Las Vegas Division


Total Extractable Petroleum Hydrocarbons by EPA Method 8015M, December 1996EPA 8015MLOOO8328

Solid


TEST:MEmOD:ORDERID:

MATRIX:

•CLIENTSAMPLEID

UC4SVI6

SAMPLE NEL RESULTDATE SAMPLEID mglkg

8128/00 L0008328-01 NO

Reporting Surrogate •Limit Recovery· EXTRACTED ANALVZED

20. mglkg 108 % 8130/00 8/30/00

UC4SV17 8128100 L0008328-02 NO NO 20.mglkg 107 % 8130/00 8130/00

'.UC4SVI8 8/28/00 LOOO8328-03 NO NO 20.mg/kg 109 % 8/30/00 8130100

•

l

•

..C.R.: Carbon RangeQUAUTY CONTROL DATA (Totalfor DieselRange):

Sample.ID Result Acceptable Range Surrogate Recovery· Sample Number

Blank, 000830tphs -BLI{ NO < 20 mglkg 112 % NA

LeS, 00083Otphsl-LCS 7S % S4 - 91 % 107 % NALCSD, 00083Otphsl-LCSD 73 % 54 - 91 % lIS % NA• Surrogate used was Octacosane. acceptance limits 55-130%.

..

ND - Not DetectedThis reportshall not be reproducedexcept infull, withoutthe writtenapprovalofthe laboratory.

2

•

-\ ", l 1 ~ \ -\ t . \ \ I

PROJECmCUENrlWORlMmN

-...... " ... no" ".It ..- BN0Itl':1..1 I( ::L....,111' nv.. '" 0 Ie f)Jo/AC/ (AS[ pq:::

PmlldM8Malir. I. '.- 'f ttJ.., <1"ClIkn.S?I\.

IrlMv,s-: tJt;'73 rlDt.24~<·71t/ ~rlo'

BedImffI!tL"I ~() ANALYTICAL SERVICES LABORATORYSERVICES REQUEST& CHAINOF CUSTODYRECORD

.¥-- REPORT PIFORMAJP!

I~AeportID: ,D4V!.~tl _~r-7:z,IJ ·1~?:17~/ ~N7')fo/

«JSIandlIRf· 30 .....Non_"Oars R", Oller;~:JfRIIIII.,.....,~ 2.1a'h1fW....... FIne1Iv.'-.----

FinlII repad lbnnIt ( ).... ( ) NTS-VIM.C ( ) 0Iaer:

Rad&GO:

Radhcket;

LABUSECM.X

tD-RIdtae:

lfbt.Rad~ .ANALYSES & IIE1JfOD UlREAECEPI1NfOllM1IO!I

ANII..... cantall1..fICIIv8d.... ( ) Vea C ) NoCal••IlIIIIa:, _

( lYe, ( ) N...Do..............fDnn?CoaanIBnII: • _ClIenl8eMcea R........-

9 I I • I ...

-J--t

A7A.....l.Gl

f

"r..._ _'-'..IIv-..:COIIIIENIB=~==.MIIIISD. t......,..., ftJIMlGDlfe.counttlnl•• olc.1 j

.....IedafQeJl8nceT..1IlIIln1RIcI7 ( )Yes t ',NQlConI,..-----------._-- I

""'S: .-A

~:~~c.,.. ,-

..,. I .•

~

Id~I~.~

<,

~~

IUIRIX

r-,<;

....

8M1PL1NG

DATE I ~1D1DE8Ql8l'IIDN

uC,1f5VIiU~yS'1I11LI GYS' Vl~

4

567-8

WltIIeIe ...... llepelfanoJld........SfIM () YES ( ) NO1fM).JJo~"""""'.._"'11e80Wl (IYES ()NO (JIMIInoI, 1denIIift......... 'I s,CSR... lnclbdIngleVlewand..... . ~ ~

~--.rE•

~3

Tmndnrs••,.uubmlleU."" 7 6 'e f 7Jv. .f

~(SfgIl.llnlD"'lIi""")I 1M'

ComfIeIeIar....~ ID. OPF-snESIdlconhctLa--..,

R8pmInId¥e~ I D.\TEJTNE 1Rec:ettel1(CourfeI&~1nlb.)

AgLe{f~ ~......... lComWr;;;;:;:) -lliIE Rece1lell(1at.~Rep)f.F~~~~I~~_f:'/.

po - '0lq' .

~(1""8IMolhclDrR8p) IM'1EI'IIME I ReceINd.-.. 8IabcA"uarRep)

jili....... I~ IQl,9Il

.-



CLIENT: Bechtel NevadaP.O. Box 98521, MIS NTS273Las Vegas, NY 89193-8521

ATrN: Dave Madsen{,t,ful'Y!--

PROmCfNAME: CNTACls3hb $/)6- V?61PROmCf NUMBER: 2152

Las Vegas Divisic4208 Arcata Way, Suite A. Las Vegas, NV 8903

(702) 657-1010· Fax: (702) 657·1571-8B8·368~32a

NEL ORDER In: 10008075

Attached are the analyticalresults for samples in support ofthe above referenced project.

Samples submitted for this project were not sampled byNEL Laboratories. Samples were received by NEL ingood condition,under chain ofcustody on 8n100.


r


ArizonaCaliforniaUS Anny CorpsofEngineers



IdahoMontanaNevadaLA.C.S.D.

Reno Las Vegas S. CaliforniaCertified CertifiedCertified CertifiedNY033 NYOS2 CA084

10228

---~_._---


Total Extractable Petroleum Hydrocarbons by EPA Method 8015M, December 1996EPA8015M •10008075

Solid ANALYST: SLB - Las Vegas Division


TEST:METIIOD:ORDERID:

MATRIX:

CLIENTSAMPLEID

UC4WVl

Bechtel NevadaCNTA Closhler2152

SAMPLE NEL RESULTDATE SAMPLE ID mglkg

8/4/00 10008075-01 NOCoR.

NO

•

Reporting Surrogate •Limit Recovery· EXTRACTED ANALYZED

20. mg/kg 79 % 8/8/00 8/9/00

UC4WV2

UC4WV3

UC4WV4

UC4WV5

UC4WV6

8/4/00 10008075-02 3S D 20.mgllcg 84 % sru» S/8/00

S/4/00 loooS075-03 32 D 20.mg/kg 76 % 817/00 8/8/00

814/00 looOS075-04 NO NO 20.mglkg 78 % 8/8/00 S/9/00

8/4/00 10008075-05 20 D 20.mg/kg 89 % Sn/OO 8/8100

S/4/00 10008075-06 NO NO 20.mglkg 90 % sns» S/S/OOr

..-

III

•

C.R.: carbon RangeD Diesel Range Organics (CI0 to C28).

QUALm CONTROL DATA (Total for Diesel Range):

Sample ID Result Acceptable Range Surrogate Recovery· Sample Number

Blank, OOOS07TP -BLK NO < 20mglkg S3 %' NA

LCS, 000807TPHS-LCS 77 % 54 - 91 % SI % NALCSD,000807TPHS-LCSD 73 % 54 - 91 % 93 % NA

Blank, 00080STP -BLK NO < 20mglkg 74 % NA

LCS,000S08TPHS-LCS 55 % 54 - 91 % 6S % NALCSD, 000808TPHS-LCSD 67 % 54 - 91 % S9 % NA• Surrogate used was Octacosane, acceptance limits 55-130%.

•..

ND - Not DetectedThis report shall not be reproduced except in full, without the written approval ofthe laboratory.

2

•

ANALYTICAL SERVICES LASORATORYSERVICES REQUEST& CHAIN OF CUSTODY RECORD

~~..,c:s ~/qco~

Bechtel Nevada~~

) ~ ) ) \ 1 t }

'00 AUG 01 09:01

Page.Lof / •.

PBQJECTI CLIENT INFORMATION

1~30(.,

BNOfgl:.J-/S1.ASLProg.:

REpoRTINFOBMAJh)N

Ut IsendReportto: nod<- ~~JL- fStlCii~-pz./1 1~;.:;6// I~>?b

Turnaround: ( ) Slandard· 30 daysNon-red. 80 DaysRad.Other: _ABush Ptellmlnary by: !(k Ii,.... Finalby:

Finalreportformat:)(Slandard ( ) NTS-WAC ( ) Other:

«",r.'1 1!19ffc,",'VI"".,.)T'r.~LP 01J.f AC.

........."""" "~1lL .;::J.t.".mFax:

...,....J<r'i..t:i$..OS7j :J4~776/

R<IrlSGD:

RadPacket:

LAB USEONLY

Non-Rad SDG: Vf!6 L/INon-Rad Packet: W JCf(J~

ANALYSES" METHOD SAMPLE RECEIPT INFORMADONAreansample containers received Intact hGYes ( ) NoComments: 'I ~._----------

¥Yes ( )NoDothe labelsagree with!hisform?Comments: _

.".Wasa Material Clearance Tagsubmitted? Wes ( ) NoComments: (--------....:.-_---

\I..........

.i/-V777..,7

COMMENTS(P.....rvatlve.slzelvolume, MSIMSD.

speclil analysll. red matrix code. count time, etc.)"-lIt .':=~~

\!I

7 \.1,hY. nl..·o8 ~I/

9 ~

Transfer 01sall1llessubmitted for analyses

Sall1llecllRelinquished (SignatureJOrganizalion) I DATEI TIME I ~lve<! by(8.ignalurelOrganizallon)

·~L~ A,vEL I~7t/d() /~~~!!~A'tLF'0I~~ ..---=--r+.~.u" ..~ BN6R.-RJ7//J; ul~. ]( ~.~ ./?

Complete lor salf¥llesshipped to an OFF-srrE Subcontract Laboratory AJ£lRelinquished (BN Representative Signature) I DATEI TIME I Received (Courier & Tracking Inlo.)

1{'JI(1Jj.ffl.u~..JJ IghJnJh~m,1 xn (lIhHJ;'~ReUnquished (Courier & Tracking Info.) I DATE'TIME I Received (1st tier Subcontractor Rep)

~-J~ 7lJ/J~A. - -1i/~AtI¢1 d~._' -~ --, - Relnqulshed (1st tier SlD:ontractor Rep) DATE/TIME I Received (2ndtier Subcontractor Rep)

DiSfifIUIion: Oriainal. To be retaif1ild IlY laboratorY~ tinalana!rilsCoDY 1 • To be relalnedbillaboralorvilrHform lftjArJlUOtli" ... "n,.....I..


-

- APPENDIXB

PROJECT PHOTOGRAPHS


I•

•

•

•

•

..

..

III

...-

PHOTOGRAPH LOG

PHOTO DATE DESCRIPTIONNUMBER

1 07/2012000 Cutting northern side ofCMP geogrid anchor bench.

2 07/2712000 Laying panels of geogrid by hand over the CMP.

3 08/01/2000 Geogrid anchored along northern side ofCMP. Geogrid extendscompletely to the rear (left) edge ofbench.

4 08/02/2000 Placing the first 2 foot lift of the CMP cover on the geogrid.Working from the center to the east and west ends of CMP.

5 08/0812000 Placing the second 2 foot lift of the CMP cover.

6 07/2812000 Excavating the UC-1 CMP Mud Relocation Trench.

7 08/01/2000 The completed UC-1 CMP Mud Relocation Trench.

8 08/10/2000 Dumping truck loads of drilling material from UC-4 Area S in theUC-1 CMP Mud Relocation Trench.

9 08/11/2000 Stacking drilling material in the Mud Relocation Trench.

10 08/08/2000 Leveling the surface of the stacked drilling mud using a track hoe.

11 08/2312000 Looking north at the filled Mud Relocation Trench.

12 08/23/2000 West side of geogrid anchor bench in Mud Relocation Trench.

13 08/2412000 Placing laps of geogrid over the Mud Relocation Trench.

14 09/07/2000 Completed scarified 4 foot mono-layer cover over UC-1 CMP.

15 08/23/2000 South leg of the west flood diversion channel.

16 09/07/2000 Completed east flood diversion channel.

17 09/13/2000 Erecting the UC-1 CMP cover fence.

18 09/14/2000 Using the blade to bury the wire mesh "bunny" fencing.

19 09/13/2000 Scarified UC-1 CMP cover.

20 09/20/2000 Placing subsidence monuments on the UC-1 CMP cover.

21 10/17/2000 Installing the TDR sensors in the UC-1 CMP cover.

22 10/17/2000 Positioning and burying the TDR sensors in the UC-1 CMP cover.

B-1

I PHOTO I DATE I DESCRIPTION INUMBER

23 12/18/2000 Seeded and mulched UC-l CMP cover.

24 04/05/2001 Transplanting seedlings on to the UC-l CMP cover.

25 08/01/2000 Clean closure by excavation ofUC-l Area S, CAS 58-10-03.

26 08/25/2000 Clean closure by excavation ofUC-l Area Y, CAS 58-44-06.

27 08/18//2000 Completed clean closure ofUC-3 Area Z, CAS 58-44-03.

28 08/11/2000 Drilling mud in the south bank of the upper area ofUC-4 Area S,CAS 58-10-02. Material was removed and placed in the UC-1Mud Relocation Trench.

29 08/11/2000 Drilling material in the upper section ofUC-4 Area S. Materialwas removed and placed in the UC-1 Mud Relocation Trench.

30 08/15/2000 Drilling mud in the south bank of the upper area ofUC-4 Area S,CAS 58-10-02. Material was removed and placed in the UC-IMud Relocation Trench.

31 09/14/2000 View looking east down the regraded and scarified drainage ofUC-4 Area S. Clean closure ofUC-4 Area S, CAS 58-10-02.

32 09/14/2000 Completed clean closure ofUC-4 Area W, CAS 58-10-04.

B-2

I•

•

•!..

•

III

..

..

•

PHOTOGRAPH 1 ~ Cuttinggeogrid anchor bench for Central Mud Pit

:'~~OTOGR~;;~ * Fir~! 3footlift being place on CMP geogrid

-Placing the second 2 foot Hfton the eMP

PHOTOGRA.PH 8 - Drilling material from UC-,4 Area S being piaced in Relocation Trench

PHOTOGRAPH 9 - Stacking drilling material in the Mud Relocation Trench

PHOTOGRAPH 10 - Leveling drillingmaterial surface with Track Hoe~~--~--

PHOTOGRAPH 11 ~ Filled eMP Mud RelocationTrench

PHOTOGRA.PH 13 ~ Placing geogrid over CMP Mud Relocation Trench

PHOTOGRAPH 14· Completed 4 {O0'1 earthen mono·layer eMP cover'--------

PHOTGRA,PH 15 * Southportion of the West DiversionChannel

PHOTOGRA.PH 16 ~ Completed East Diversion Channel'--------_ .._--_..._~ . _._•...................................__...~----

---------~-_mm<m~~~----------~-----------...::.-

PHOTOGRAPH 17 - Erecting the CfvlP cover fence

PHOTOGRAPH 18 - Burring ih~ wire mesh "bunny" fencing

:::.~:

-&

,~.

-~

r ,

j,

.'-:--

PHOTOGRAPH 21 * Installing TDR sensors in eMP cover

PHOTOGRA,PH 23 - Seeded eMP cover

."',"",',' ".

PHOTOGRAPH 24 * TransplantiI?g seedlings to the CflllP cover-------

PHOTOGRAPH 25 - Clean closure by excavation ofUC-l Area S, CAS 58-10-03

II PHOTOGRAPH 26 - Clean closure bv excavation of UC- I Area Y. CAS 58-44-06'-'---_ _•...•....•.•.._ _ __._ __. ". ...•._--_ _ :~ ~------

PHOTOGRA.PH 27 - Clean closure by excavation ofUC ~3 Area Z, CAS 58-44-03

PHOTOGRAPH 28 - Drilling mud/material at UC-4 A.rea S, CAS 58- i 0-02

PHOTOGRAPH 29 * Drilling mud/material atUC·4 Area S; CAS 58·10·02

PffO'fOGRAPH:W * Drillilug mudlmat~rial at UC4 Area S; CAS 58·10·02

r~~"~"~'~--~~ '''~'~'~~'~''y'y'''''''''~~'''''' ' '.'.'.•.• ' '.•. ' ' ' '.' ~ -......•.............•......•........• - - -.. -.- ,

PHOTOGRAPH 31 ~ Final regraded closed UC~4 Area S, CAS 58-10-02

...,

r

r:i

t!

rI,

,-i

ri

APPENDIXC

AS-BUILT ENGINEERING DRAWINGS AND DESIGNCHANGE NOTICES


J

J

Jj•

J

J

J

J

.J

.J

J.J

Bechtel Nevada Engineering Department Sheet 1 of 2-- --

....-.... ............... ". .DESIGN CHANGE NOTICE DeN No.: 00/08-419

~

LJDesign Specification 8/14/2000l!JDesign Drawing Date Initiated:

Document No.: JS-058-98228-C34 Revision No.: 0

Title: West Diversion Channel Plan & Profile

Description of Change:

Reroute the southern portion of the channel to minimize the area that requires disturbance, and reduce the quantity ofrequired excavation. See page 2 for new horizontal and vertical alignment information.

Field placement of excavated soils in a stockpile filling the area between the existing scarp face and the existing bermalong the south side of the mud pit, has made it possible to reroute the channel. The new route will pass through thisstockpile, and will require grading from both directions into the bottom of the channel (in this area only) to maintain thedesign drainage scheme (See page 2). Finish grading in this area should be completed after the cap as the finish slopeshould be away from the intersection line of the cap with the existing berm (similar to Section C. on drawing C33).

Information contained in this DCN was personally conveyed (at the site) to field personnel on 8/2/2000.

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IUl PIT UC4-< CLOSURE ~".s lllIC"'AlL Sl«JT1D11 In..'''."."._T,__,"AREA UC-]

....__._... _........... ... ICIlAll e. el.... IN

•. a __, ... _ ... _ .._1" RESTRICTED AREA BOUNDARIES N/A __rt_O ~_ • ,.""~llTDdto4lt1Jt'lI( _ lilt

QlllDT STaTUS il'J£t "11'"

IS D,.QIl C0lllS11I.ICTI or"on•

GENERAL NOTES

I. llOONDART IIIlNlIWEIiiT ARE l'EOESTAl .OU'IUns .,llI PAs.s tAP AtClSTAWED 8Y $UR¥[T.

2. EACH IDiII..IIIlENT "OlS .. POS1£D SI(;H THAT READS AS fOllOWS:

PETRCUUM '''''CTEO SOIl.. NO £llC"......TIOH. DRILLINGWVAl OF THE. IMI[RIAlS IS PERWllTED WITKWT U.S.

PERWISSIOH.

NT OF [HE";'. NEV"OA OPERATICJfS OFfiCE.RESTOfUTUI'. DIVISION. ".0. acx !8~'" LAS VEGAS

-IS1' (l02) 295-1063.

3. BASIS OF H(IUZO"''''L tmITRDL IS THE NOFlTH oUlfAlt»l DATUIll IN.lD1OF "'3. STATE PLANE••"'AOA C[NTRAL lCJrlE. llIlETERS.

4. .....l GROUT PILES 'lERE 'IU.)VED. lOCATlClllS SHOWN fOR RECQIIlD~OSES tN.T.

5. W"ST[ PIU CAS 5'''''~ .... S R(IIlllVED. lOCATJ(IiI SHQ.. fOR MetROPURPOSES 0Nl Y.

s ~ ~ ~

~g ~!

~ ~ s ~ ~N 64]\300 ~ ~ ~ ~ ~ ~

allIT"U -Q.05lDCAS$1-44-(6,\

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REFERENCESTITLE SHE£TARU UC-1CLEAN CLOSURE SITESAAU ue-1ARE' ,. ClEAN ClOSUIlE Sift

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CENTRAl. NEVADA TEST AREACAU 41T REII:DIATIlIl

IIJD PIT UC4-e ClOSUREAREA UC-l

RESTRICTED AREA BOUNDARIES

I ~ ; G)u.a. DEPAATWIENT~ , II Of ENEROY

. ~ i .. ,__..

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JS-051-99221-11

WATERSOURCE OF CONSTRUCTION

SOURCE OF BORROWNEW DIVERSION CHANNELS

IlTlE SHEET

REFERENCES

......" ....

ISSU£O '(11 CONSnlJCflON 011 o/n-.u' ........,,_ •, 21 N/'" ," -4

un~£

MICHAEl. SMOT1D11 U2tJ'H

,..

N/A

I .......

GRAPHIC SCAUo :5 IS lILow[TiJtS

ct.",. IITl'rAt U It{HItSC1tIGIMAL am.M SIGJCD .",.7

VICINITY MAP

CENTRAL NEVADA TEST AIl[A --- AREA ~CAlI 41T REI£DIATI[Jj

IU) PIT UC4-e CLOSURE

~ ~ rG)U.a. DE"P'AR.TWENT.... II: OF ENEAQY

~! :,; ..__ _ .. 6 ...""....

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NTI COUNTY

LINCOLN COUNTY

hi .rOOd Yall.,"tillite;_~N

ENERGY

rI;

..5-·;~.

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(CNT A)CLOSqRE

NELLISAIR FORCE

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OFcF F

A

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LOCATION MAP

A T

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ERA

OPE RV E G

DEPARTMENTA D A

L A 5

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AS-DUILT..,......~\i , 111'~ ~11l

'" C. I~. I~ ~ .~ -,.J"

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~S:~~~~~TvAES~C::~.S.AND WERE COfIlSTAUCTEO AS SHOWN OH nilS DAAWlNG.

EN

STATES

s -lJt e-c ,.,15-05'-1121.-<7 IlEV 1.,15-05.--1122.-.<. REV 1JS-oS.-'itl2t-<:. REV 1

DRAWING NUIIBER DRAWING TITLE

.r~~~ .,IS-Q5.-t.lU-Tl It[~ TlTL[ SH£U

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...u:. lIC-1 RESTlUCTEO Mit ... OOUNOo\AlESAIlEA UC-l RESHliCTED AREA BOUNO.t.A1ES"REA UC-4 R£SlRICTEO IJttA BOUrOOAA1ES8OIUlOI SWAC[S lOCATION. ""-AN

SITE PLANlIIJDPIT ElITE/riSIOH. SITE .. GRADING Pl.","CLOSURE CloP GR.+.OIJrfG Pl ..... SECTIONSDETAILS

INDEX

PROJECT NOTE."LL CI>lSTIlUC'1OH OOCUt.IEhlUTI(JrC. SP£CIAl FUT\JII:U. ~TERJ"lS. TESTSANDOElo\lLS ~Al.L CONFORW TO THE ·CONSTRUCTIOH SP£CIFICATlt»lS Fl»!:C~U 4'1 R£Iil£DI~1ION, UC4-C CL05Ull[ CAP· ANO TH[ ·CORRECTJYE ACIJONUNIT 411 CENIR.t.l H(y.wA TEST AIlEA SUflf'A(;E, H(.YADA SAIlfI1.1NG.INSPECTION, T[STIHll. AND ACC£PTANCE ISIT"1 PLAN,"

PROJECT LOCATIONFOR VICINITY MAPSEE DWG Cl

(r' SCOPE OF WORK

THE SCOPE Of WORI fOR THIS PROJECT lNCLUO£O THE CONSTRUCTION Of AN~) ENCINEERED CLOSURE CA# .u THE UC4 IollD PH C LOCATED /JolCENTR"l.~ NEVADA. CONSTRUCTION "LSO IHClUOf:D INSTAlLATION OF CiEOGA10 oIJ4) A

GEOSYNTHtTIC (LAcV L1NfR. THIS PROJECT J.l.SO INCLUOED 116': Ct»lSTRUCl([»IOF ..... [XTUlSIOIl TO THE EXISlIMe MAl PiT.

CENTRAL NEVADA TESTCA U 417 REMEDIA TION

UNITED


..,

,......i,

r,,

APPENDIXD

SECTORED HOUSEKEEPING SITE CLOSUREVERIFICATION DOCUMENTATION


•

:III

J)

III

)..J

Ladtude: 38 31 54.7200Lnngimde: 11612 49.2203

Latimde:383757~97

Longitude: H6 12 53.0039

Latitude: 38 3810.6261Longitude: 11612 41.9144

Latitude: 38 37 53.2314Longitude: n612 46.3695

Date

Latitude: 38 35 38.1630Longitude: 1161305.1375

Sectored Housekeeping Site Closure Verification Form

Latitude: 38 34 58.807S

Longitude~ 116 1300.8393

08123/00

58..fiS*06

417

Closure Ve.ri5cation Date:

CAS Number (if applicable):

CAD Number (if applicable):

Sector Designation: CNTA

Housekeeping Site General Location: Central Nevada Test Site, DC*3

Elevation: 1745.546 m

Northing: 4,270,593.48 m (UTM Zone 11)

Easting: 568,067.94 m {UTM Zone 11}

CoordinatelElevatron Data Obtained from: North American Datum, 1927.

Site Access Route: From Tonopah, proceed northeaston Highway 6 for approximately 80 miles to MooresStation road. Take Moores Station road northwestfor approximately 14 miles to a fOUf way intersection,Go south (left) for approx. 2 miles.past the UC-3 access road, then west (right) for approx. 200 yards toUC-3 Recording Trailer Park CAS 58-05-06 is located approx. 20 feet north of road.

Waste ltem(s) Originally at Site Apparent Waste Type*

Concretecast septic tank Ordinary*Ordlllllfy, Scrap Metal.Asbestos. PCB,Salvageable. Hal.IlTdous, RadIOactIVe, Mixed, Unknown, Other

Date

Housekeeping Site AfterClosure(taken06107/2000

Signature

Housekeeping Site During Closure(taken 06/24/1998)

Current Site Description/Observations: This CAS was flrst identified by the IT Off-sites staff during asite visit on October 28, 1997. Thetank was empty of liquid; a solid sample was collected in April 1998,Analysis showed no Contaminate of Concern above action levels. The septic tank was backfilled with deanmaterial on June 24, 1998. Acknowledgeof septic tank closure was received by the NNSAfNV from NVDepartment of Healthon 3 May 200 I. The current condition of CAS 58*05-06 is dean closed,

-L No Further Action Required at Housekeeping Site


Closure Ve·rifitation Date: 08/23/00CAS Number (if applicable): 58-98-(}l

CAD Number (if applicable): 417

Sector Designation: CNTAHousekeeping Site General Location: Central Nevada Test Site, UC-3Elevation: 1757.775 mNorthing: 4,271,920.85 m (UTM Zone 11) Latitude: 383541.8931

Easting: 567,979.71 m (UTJ\!l Zone 11) Longitude: 1161313.0201CoordinatelElevation Data Obtained from: North American Datum, 1927.

Site Access Route: From Tonopah, proceed northeaston Highway6 for approximately 80 miles toMoores Station road. Take Moores Station road northwest for approximately 14 miles to a four wayintersection. Go south (left) for approx. 1.5miles, then "vest ( right) for approx. 200 yards to LJC-3, CAS58-98-oJ is located approx. 90 ft west of the UC-3 emplacement hole on the west side of a low benn.

Waste Item(s) Originally at Site Apparent Waste Type'"

Trash and metal debris Ordinary! scrap metal,.

'"Ordmary, Scrap Metal.AStlCSt05. PCB,Salvageable, Hazardous, RaUINICtlve, MiXed, ~Jnknown, Other

-X.- No Further Action Required at Housekeeping Site

Date

Housekeeping Site AfterClean Up(taken06/07/2001)

Signature f

Housekeeping Site Prior to CleanUp(taken06/231199&)

Kevin B. CamQbeU

Current Site D~cription!Obsentations: This CAS was first identifiedby the IT Off*sites group in asite survey performe.d on February 13, J996. The wastewas removed on June 23, 1998. Scrap metal wasfie,nt to NTS salvage and the remainde-r disposed of at the NTS UJ Oc Landfill. The current conditionofCAS 58·98·01 is clean ofal! \vaste material.

Corrective Action CoordinatorlDesignee

081231005&.98-02

417


Closure Verifieation Date:

CAS Number (if applicable):

CAD Number (ifappUcable):

Sector Designation: CNTA

Housekeeping Site Genera! Location: Centrm Nevada Test Site, UC-3

Elevation: 1156.515 m

Northing: 4,271,747.60 m (UTM Zone 11) Latitude: 38 35 36.2117

Eastlng: 567,983.43 m (UTM Z-one 11) Longitude: 1161312.9271

CoordinatelEievation Data Obtained from: North American Datum, 1927.

Site Access Route: From Tonopah, proceed northeast on Highway 6 for approximately 80 miles to MooresStation road Take Moores Station road northwest for approximately 14 miles to a four way intersection.Go south (left) for approx. 1.5 miles. then west ( right) for approx. 200 yards to UC-3. CAS 58-98-02 islocated approx. 185 ft southw"eSt of the UC-3 emplacement hole,

Waste ltem(s) Originall)' at Site Apparent \Vaste Type*

Trash and metal debris Ordinary I scrap J:neta1.

Housekeeping Site Prior to Clean Up(taken 06/23/1998)

Housekeeping Site During Clean Up(taken 06107/2001)

Current Site Description/Observations: This CAS was frrS! identified by the IT Off-sites group in a sitesurvey performed on February 13, 1996. The waste was removed on June 23, 1998. Scrap metal was sentto NTS salvage and the remainder disposed of at the NTS UlOc Landfill. The current conditionCAS 58*98-02 is dean of all waste material.

-L No Further Action Required at Housekeeping Site

Kevin B. CampbellCorrective Action CoordinarorfDesignee

~~~-''''''-'''''······'''·".""w······'····

Signature


Housekeeping Site AfterClosure(taken (4/1012001)

Apparent Waste Type*

08/2310058~98-04

417

Ordinary 1scrap metal

NoBefore Photograph ofHOusekeeping Site Available

x

Waste ltem(s) Originally at Site

Trash and metal debris

Closnre Verification Date:CAS Number (if appJicable):

CAU Number (if applicable):

Sector Designation: cmItHousekeeping Site General Location: Centrnl Ne"ada Test Site, UC*3

Elevation: 1756.172 mNorthing: 4,271,781.88 m (VTM Zone 11) Latitude: 38 35 37.3676

Easting: 568,041.96 m (trTM Zone 11) Longitude: U6 13 10.4957Coon::llnat.elEle\'lltion Data Obtained from: North American Datum, 1927.

Site Access Route: From Tonopah. proceed northeast on Highway 6 for approximately 80 miles to MooresStation road. Take Moores Station road northwest for approximately 14 miles to a four way intersection,Go south (left) for approx, 1.S miles. then west (right) for approx, 200 yards to UC~3. CAS 58*98..04 islocated approx. 130 it south of the UC*3 emplacement hole.

-L No Further Action Reqwred at Housekeeping Site

DateKevin B. CdlmRbell

Corrective Action Coon:JioatorlDesignee

CUJ1"eDt Site Description/Observations: This CAS was first identifiedby the IT Off-sites group in a sitesurvey performed on February 13, 19%, The waste was removedon June 23, 1998. Scrap metalwas sentto NTS salvage. remainder disposed of at the NTS U10c Landfill, The current conditionofCAS 58-98-04 is clean of all waste material.


Cool"dinatelElevatkm Data Obtained from: North •.\merlcan Dat:1.Jm, 1927.

Site Access Route: From Tonopah, proceednortheast on Highway 6 for approximately 80 miles to MooresStation road Take Moores Station road northwest for approximately 14 miles to a four way intersection.Go south (left) for approx. 1.5 miles, then west (right) for approx. 200 yards to UC·3. CAS 58-99-01 islocated approx.. 150 ft east of the DC·3 emplacement hole.

Latitude: 38 3S39.7923Longitude: 116 13 04.6936

Apparent '\VasteType*

08123/0058-99..01

417

Ordinary f scrap metal

Closure Verifieatkm Date:CAS Number (if applicable):

CAD Number (ifapplicable):Sector Designation: CNTA

Housekeeping Site General Location: Central Nevada Test Siu; DC..,3Elevation: 1757.074 mNorthing: 4,271,857.81 m (UTM Zone 11)Easting: 568,181.68 m (IJTM Zone 11)

Waste ltem(s) Originally at Site

Underground storage tank ..55 gallon drums

Housekeeping Site During Closure(taken 0611611998)

Housekeeping Site After Closure(taken 04110/2001)

Current Site DeseriptionlObservation..~:

This CAS was first identified by the IT Off-sites group on October 27, 1997. The UST (four 55 gallondrums) was removed on June 16, 1998.Thedrums and ail hydrocarbonimpactedsoil weredisposedof atthe NTS hydrocarbon landfilL Soil sample results verifiedthat all hydrocarbon impactedsoil was removedduring closure. The UST excavationwas backfilled with clean soil. UST closure notification was sent bythe DOE/NV to NDEP on 1213011998. The current condition of CAS 58~99.Ql is clean closed.

Corrective Action CoordinatorlDesignee lSignature Date


APPENDIXE

UC-3 UNDERGROUND STORAGE TANK AND SEPTICTANK CLOSURE DOCUMENTATION


•-

III

•

--•

'.•-•

•-l•"" .

•-••,

•••

KENNY C. GUINNGovernor

CHAALOTTE CRAWFORDDirector

YVONNE SYLVAAdministrator

MARY E. GUINAN. M.D., Ph.D.State Health Officer

cc: Galen Denio, Manager, Public Health Engineering

Dear Mr. Wycoff:

RE: Abandonment of Septic Tanks at Central Nevada Test Site UC-3

o....oU1o(X)

ooow

,0' ~507

:z

ACTiONINFOMGRAMBFSAMTSAMNSAMEMAMPIA

STATE OF NEVADA

DEPARTMENT OF HUMAN RESOURCES

HEALTH DIVISIONBUREAU OF HEALTH PROTECTION SERVICES

May 3,2001

James H. Larson, P.E.Public Health EngineerBureau of Health Protection Services

Runore Wycoff,.DirectorEnvironmental Restoration DivisionDOEINV Operations OfficeP.O. Box 98518Las Vegas, NV 89193-8518

If you have any questions, please contact me at 486-5068.

Sincerely,

This is to confirm the above referenced tanks have been abandoned inaccordance with NAC 444.818(9).

An inspection was conducted by the Bureau of.Health Protection Services on July16, 1998 at the Central Nevada Test Site. The purpose of this 'inspection was todetermine the status of two abandoned septic tanks that had served the site'sRecording Trailer Park and Support Trailer Park.

Bureau Administration1179 Fairview Drive. Ste. 201Carson City. NV 89701·5405

- (775) 687·6353Fax (775) 687·5197

o Public Health Engineering.--' 1179 Fairview Drive. Ste, 101

Carson City, NV 89701-5405(775) 687·4754Fax (775) 687·5699

[:l.. Drinking WaterState Revolving Fund1179 Fairview Drive. Ste. 204Carson City. NV 89701-5405(775) 687-4750Fax (775) 687-3218

l Radiological Health1179 Fairview Drive, Ste. 102

_ Carson City. NV 89701-5405. (775) 687-5394

Fax (775) 687-5751

o Environmental Health.~ 1179 Fairview Drive. Ste. 104

Carson City, NV 89701·5405(775) 687-4750Fax (775) 687-5751

~Health Protection Services: 620 Belrose Street, Sle. 101

Las Vegas, NV 89107Engineering and Food

.-(702) 486-5068Radiological Health(702) 486-5280Fax (702) 486-5024

[?---Health Protection Services850 Elm StreetElko, NV 89801-3349(775) 753-1138/1140

:--Health Protection Services475 W. Haskell Street. Am. 38Winnemucca. NV 89445(775) 623-6588

../--;ealth Protection Services155 N. Taylor Street. Sle. 199Fallon, NV 89406-3324(775) 423-2281

Health Protection ServicesP.O. Box 939Ely. NV 89301 -0939

,......(775) 289·3325

: 'iealth Protection Services~.O.Box 667Tonopah. NV 89049-0667

.--(775) 482·3997

: -fealth Protection Services250 N. Highway 160. Sle. 5Pahrump. NV 89048

--{775) 751-7415

.-

..1.: . 061455Department of Energy

Nevada Operations OfficeP. a Box 98518

Las Vegas, NV 89193·8518

CD e-m =:

DEC 30 sss 0I...... ::c-I .c.

"'r- -a -a w::0 N

::0 =-::lCrn -n c..o.. c..o.....-

Paul J. Liebendorfer, P.E., ChiefDepartment' ofConservation and Natural ResourcesDivision ofEnvironmental Protection333 W. Nye Lane, Room 138Carson City, NV 89706-q851

NOTIFICATION OF CLOSURE FOR TWO UNDERGROUND STORAGE TANKS (USTs)AT THE CENTRAL NEVADA TEST AREA (eNTA) CORRECTIVE ACTION UNIT(CAU) 417

Please find enclosed a copy of the U.S. Environmental Protection Agency (EPA) Form 7530-1,Notifications for USTs, which identifies two abandoned USTs that were permanently closed byremoval. The two USTs were closed by removal from the UC-3 land withdrawal area at CNTAnortheast ofTonopah, Nevada. The permanently closed tanks are as follows:

• CAS 58-99-01 UST located southeast ofUC-3• CAS 58-05-03 UST located at the UC-3 Recording Trailer Park

Samples of the UST contents were collected and analyzed for Total Petroleum Hydrocarbon(TPH), total Resource Conservation and Recovery Act metals, and Benzene, Toluene,

, Ethylbenzene and Total Xylenes (BTEX). Results for metals and BTEX were well below EPARegion 9 Preliminary Remediation Goals (PRGs). Complete analytical results are presented inthe "Addendum to the Corrective Action Investigation Report for Central Nevada Test Area,

r-- CAU 417," DOEINV-524-Addendum Appendix D, 1998. TPH results were below the Nevadastate action level of 100 mg/kg. The tanks were removed on June 16, 1998.

During the tank removal activities, field screening tests indicated the presence ofTPH in the soilat approximately one foot below the USTs. Hence, the area beneath each UST was overexcavated until screening indicated clean soil was reached. The excavated soils and crushedtanks were transported to the Nevada Test Site Area 6 Hydrocarbon Landfill.

Verification soil samples were then collected from beneath each of the USTs at 5.5 feet and11 feet below ground surface; i.e., at approximately 1 foot and 6.5 feet below each UST. Thesamples were analyzed for TPH by NEL Laboratories in Las Vegas, Nevada. Results for all

.-:.:.

Paul J. Liebendorfer -2- DEC 30. 1998

samples showedTPH present at less than 100 mg/kg, indicatingthe tank closureswere clean.Enclosed, Table I is a summary ofthe analytical results for the collected verificationsamples.Also enclosedare copies ofthe certificates ofthe laboratory results for the TPH analyses.

Please direct any questionsor comments to Peter A. Sanders,ofmy staff, at (702) 295-1037.

.JJfj~yb .ERD:PAS l;. Environmental RestorationDivision

Enclosures:As stated

cc w/encls:M. D. McKinnon,NDEP,

Las Vegas,NY

cc wlo encls:K. K. Beckley, NDEP,

Carson City,NYJ.J. Johnson, NDEP,

.-CarsonCitY, NYD. A. Bedsun,DTRA,

Mercury,NY.P. S. Adams, IT,

Las Vegas, NY' ':.. ,T. J.w1ute;IT;:· ~'.~.'

" LasVegas, NY.: .D. D. Madsen,BN, .

Mercury, NYK. A. Hoar: ESHD, DOEINV,

Las Vegas,'NY .... -. P. L. Hall,ERO, DOEINV,

Las Vegas:'!'lV

PETER G. ~IORROS. Directo»

AI.I.EX BIAGGI. Administrator

17i516874670

TOO 687-4678

AdministrationWaterPollutionControlFacsimil, 65,·5856

STATE OF NEVADAKE:-<~I' C, GUNS

GocemorWaste ~lanagement

Corrective ..lu:tionsFederal Facilities

AirQualityWater Quality Planning

Facsimil, 687-6396

:'lining Regulation and ReclamationFacsimil, ~·5259 DEPARnlENT OF CONSER\:~TION AND NATL'RU RESOVRCES

DIVISION OF ENViRONMENTAL PROTECTION333 W. Nye Lane, Room 138

.-- Carson City, Nevada 89i06

May 29, 2001

.--- RunoreC. Wycoff, DirectorEnvironmental Restoration DivisionNational NuclearSecurityAdministrationNevadaOperations OfficeP.O. Box 98593-8518Las Vegas, Nevada89193-8518

ACTION -_vr::::-"'?J'?J:;:;:!:'O;::;;::;------INFOMGRAMBFSAMTSAMNSAMEMAMPIA

RE: ClosureDocumentation Received for Underground StorageTanks; CAU 417 - CentralNevadaTest Area

DearMs. Wycoff:

The Nevada Divisionof Environmental Protection (NDEP) has received the UndergroundStorageTank Notification Form (USEPA Form 7530) for two underground storage tanks (USTs)that were discovered abandoned at the Central NevadaTest Area (CAU 417) during fieldoperations in 1998. Alongwith a letterdatedDecember30, 1998 which accompanied the 7530Form, the following information was provided:

• Two tankswere permanently closedon July 16, 1998;• The tanks are numbered CAS 58-99-01 and CAS 58-05-03;• The tanks were welded 55 gallonsteel drums; were used to contain diesel; had

approximate volumes of220 and 165 gallons; and were last used in 1968.

During tank removal, field screening tests indicated the presenceofTPH in soil below the USTs.Over-excavation was performed below eachtank siteuntil screening indicated clean soil hadbeen reached. Removedsoil and the crushed USTswere transported to the Nevada Test SiteArea 6 Hydrocarbon Landfill. Confirmatory soil samples werecollected as part of a siteassessment as requiredby federal regulation 40 CFRPart 280.72 and analyzedfor TotalPetroleumHydrocarbons (TPH). Results for all samples showedTPH concentrations at less than

.-

,--

-

Runore C. WycoffPage 2May 29,2001

the action level of 100 mg/kg, The highest reported samplingresult was 81 mg/kg TPH at thesouth end of CAS 58-05-03.

Upon review of the data presented, the NDEPconcurs that the tank removals and the subsequentremoval ofcontaminated soils were done satisfactorily and conform to StateofNevadaregulations. Confirmatory soil samplingresults indicate that remaining TPH is below theStateaction level. The NDEP will not requireremedial action involvingthese two tanks. No remedialaction is based upon the information and data provided to date (7530Form and December30,1998 DOE letter). This actionis subject to the qualifications of the data and informationpresented. If future conditions warrant, NDEP may request furtherinformation, data,investigation and/or remediation.

Additionally, steps to formally close CAS 58-99-01 and CAS 58-05-03 must be completed underthe provisionsof the FFACO. These two CASs, along with the other CNTA surface sites,mustbe included in the ClosureReport for CAU417. !fyou have any questions regarding tankclosure issues,please contactSigurd Jaunarajs of my staff at (775) 687-4670, extension3030.

Sincerely, '

-~ChiefBureau of Federal Facilities

PJL/SRJ/js

cc: Karen Beckley, NDEP/CCMatt DeBurle, NDEP/CCPatti Hall, ERD, NNSAINVMike McKinnon, NDEP/LVMonica Sanchez, ERO, NNSAINVPete Sanders, ERD, NNSAINV


APPENDIXF

USE RESTRICTION DOCUMENTATION


I

till

•'''''....•••

••••••••......

••

CAU Use Restriction Information

CAU Number/Description: CAU 417 (Central Nevada Test Area Surface. NY)

Applicable CAS Numbers/Descriptions: CAS No. 58-09-01/ UC-l Central Mud Pit Fence

Contact (organization/project):NNSA/NV Off-Sites Project Manager

Surveyed Area (UTM coordinates, Zone 11, NDA 27):UC-l CENTRAL MUD PIT FENCE starting at the NW comer and moving clockwise aroundfence.

- NW comer:Clockwise

4276101.25 mN.4276099.54 mN.4276098.33 mN.4276068.95 mN.4276003.38 mN.4275972.49 mN.4275953.45 mN.

568640.16 mE568690.78 mE568696.77 mE568833.42 mE568863.50 mE568838.03 mE568803.86 mE

Survey Date 09/2512000 Survey Method (GPS, ete.) Transit Survey Datum NAD 27

Site Monitoring Requirements: Visual inspections as specified in the Closure Rm>ort

Monitoring Frequency (quarterly, annually?): Inspections twice yearly to commence sixmonths after the closure concurrence date.

Use Restrictions

The future use of any land related to this Corrective Action Unit (CAU), asdescribed by the above surveyed location, is restricted from any DOE, BLM orUSFS activity that may alter or modify the containment control as approved bythe state ofNevada and identified in the CAD Closure Report or other CADdocumentation unless appropriate concurrence is obtained in advance.

Comments: See the Closure Report for additional information on the condition of the site(s)

and any monitoring and/or inspection requirements.

Submitted By: 1~~Attachments: Survey Map

Q:\sHARE\KEVIN\CNTA\2000CR\USE_Restric\CMPuseJstr.wpd

Date: _----'+--""'+ L...- _

June 26, 2001

I CAU Use Restriction Information

CAU NumberlDescription: CAU 417 CCentral Nevada Test Area Surface. NY>

Applicable CAS NumberslDescriptions: CAS No. 58-09-02 / UC-1 Mud Pit A

Contact (organization/project): NNSAINV Off-Sites Project Manager

Surveyed Area (UTM coordinates, Zone 11, NDA 27):

UC-1 MUD PIT ANEcomer:SE comer:

4276025.24 mN.4275993.63 mN.

568570.16 mE568579.76 mE

SWcomer:NWcomer:

4275992.31 mN.4276018.69 mN.

568559.58 mE568551.31 mE

Survey Date 04/10/2001 Survey Method (GPS, ete.) Transit Survey Datum NAD 27

Site Monitoring Requirements: Visual inspections as specified in the Closure Report


Use Restrictions

The future use of any land related to this Corrective Action Unit (CAU), asdescribed by the above surveyed location, is restricted from any DOE, BLM orUSFS activity that may alter or modify the containment control as approved bythe state ofNevada and identified in the CAU Closure Report or other CAUdocumentation unless appropriate concurrence is obtained in advance.

Comments: See the Closure Report for additional information on the condition of the siteCs)


7/03/ 0 1r,Date: __-I-+....;;;...::~"'-'- _Submltted By: f~~~Attachments: Survey Map

Q:\SHARE\KEVIN\CNTA\2000CR\USE_Restric\UIAuse_rstr.wpd June 26, 2001

~-----------~._------

-CAU Use Restriction Information

CAU Number/Description: CAD 417 (Central Nevada Test Area Surface. NY)

Applicable CAS Numbers/Descriptions: CAS No. 58-09-05 / DC-1 Mud Pit E



UC-1 MUD PIT ENEcomer:SEcomer:SWcomer:NWcomer:

4276310.02 mN.4276274.84 mN.4276293.13 roN.4276316.81 mN.

568438.16 mE568433.69 mE568394.17 mE568403.87 mE

Survey Date 04/10/2001 Survey Method (GPS, etc.) Transit Survey Datum NAD 27

Site Monitoring Requirements: Visual inspections as specified in the Closure R~ort


Use Restrictions


Comments: See the Closure R~ort for additional information on the condition of the site(s)


Submitted By: --L.L.-/-~~~u.",,~,.K.Ll"""4-"""'_----

Attachments: Survey Map

Q:\sHARE\KEVIN\CNTA\2000CR\USE_Restric\UIEuseJstr.wpd

'7 ) O~/IJIr '

June26, 200I


CAD Number/Description: CAU 417 (Central Nevada Test Area Surface. NV)

Applicable CAS Numbers/Descriptions: CAS No. 58-09-06 1UC-3 Mud Pit E

r:: Contact (organization/project): NNSAINV Off-Sites Project Manager


UC-3 MUD PIT ENEcomer:SE comer:SWcomer:NWcomer:

4271893.96 mN.4271869.14 mN.4271875.25 mN.4271906.84 mN.

568038.66 mE568029.52 mE567990.52 mE567991.36 mE

.-




Use Restrictions

The future use of any land related to this Corrective Action Unit (CAD), asdescribed by the above surveyed location, is restricted from any DOE, BLM orDSFS activity that may alter or modify the containment control as approved bythe state ofNevada and identified in the CAD Closure Report or other CADdocumentation unless appropriate concurrence is obtained in advance.

Comments: See the Closure Report for additional infonnation on the condition ofthe site(s)


Submitted By: -I-:....j...~4.L.J~~"""l.1!a~:J""I,o~ _

Attachments: S

Q:\SHARE\KEVIN\CNTA\2000CR\USE_Restric\U3Euse_fstr.wpd

Date: -Lf-........~L+-----

June 26, 2001


CAU NumberlDescription: CAU 417 (Central Nevada Test Area Surface. NV)

Applicable CAS NumberslDescriptions: CAS No. 58-25-01 / UC-3 Area E Spill SouthernOutlier


Surveyed Area (UTM coordinates, Zone 11, NDA 27):UC-3 AREA E SPilL SOUTHERN OUTLIER starting at west most monument and proceedingclockwise

4271862.04 mN.4271870.18 mN.4271862.49 mN.4271896.46 mN.4271893.41 mN.4271836.63 mN.4271821.06 mN.

567969.62 mE567990.17 mE568043.85 mE568084.73 mE568103.35 mE568083.27 mE568004.52 mE




Use RestrictionsThe future use of any land related to this Corrective Action Unit (CAU), asdescribed by the above surveyed location, is restricted from any DOE, BLM orUSFS activity that may alter or modify the containment control as approved bythe state of Nevada and identified in the CAU Closure Report or other CAUdocumentation unless appropriate concurrence is obtained in advance.



Submitted By: -!...:....j.~~~~d-,;;Jt:lt.::z~~;\----

Attachments: S

Q:\SHARE\KEVIN\CNTA\2000CR\USE_Restric\U3EOUTuseJstr.wpd

Date: --I-f-~=+"""""J----

June 26, 2001


CAD NumberlDescription: CAU 417 (Central Nevada Test Area Surface. NV)

Applicable CAS NumberslDescriptions: CAS No. 58-10-01 / UC-3 Shaker Pad Area S



UC-3 SHAKERPADAREASNE comer:SE comer:SW comer:NWcomer:

4271965.29 rnN.4271911.05 rnN.4271912.87 rnN.4271979.68 mN.

568154.34 mE568138.12 mE568088.36 mE568100.65 mE




Use Restrictions

The future use of any land related to this Corrective Action Unit (CAU), asdescribed by the above surveyed location, is restricted from any DOE, BLM orDSFS activity that may alter or modify the containment control as approved bythe state of Nevada and identified in the CAD Closure Report or other CADdocumentation unless appropriate concurrence is obtained in advance.

Comments: See the Closure Report for additional infonnation on the condition ofthe site(s)

and any monitoring and/or inspection reguirements.

Submitted By: -=-...:.....,~{44C::1l:~~~~~-==+---_


Q:\SHARE\KEVIN\CNTA\2000CR\USE_Restric\U3Suse_rstr.wpd

Date: ---,Jt-+-~~..=.L_--

June 26, 2001


CAU NumberlDescription: CAU 417 (Central Nevada Test Area Surface. NY)

Applicable CAS NumberslDescriptions: CAS No. 58-09-03 / UC-4 Mud Pit A



UC-4 MUD PIT ANEcomer:SE comer:SW comer:NWcomer:

4281277.49 mN.4281212.98 mN.4281218.55 mN.4281281.79 mN.

568013.92 mE568003.57 mE567976.45 mE567981.55 mE




Use Restrictions

The future use ofany land related to this Corrective Action Unit (CAU),asdescribed by the above surveyed location, is restricted from any DOE, BLM orUSFS activity that may alter or modify the containment control as approved bythe state ofNevada and identified in the CAU Closure Report or other CAUdocumentation unless appropriate concurrence is obtained in advance.

Comments: See the Closure Report for additional infonnation on the condition of the site(s)

and any monitoring and/or inspection reguirements.

Submitted By: ~'I!A~Attachments: Survey Map

Q:\SHARE\KEVIN\CNTA\2000CR\USE_Restric\U4Ause_Tstr.wpd

Date: --4T....L.oo:....I.oC;~~--

June 26,2001


CAU Number/Description: CAU 417 CCentral Nevada Test Area Surface. NY)

Applicable CAS Numbers/Descriptions: CAS No. 58-09-03 / UC-4 Mud Pit B



UC4MUDPITBNE comer:SE comer:SW comer:NWcomer:

4281208.37 mN.4281167.27 mN.4281169.94 mN.4281214.13 mN.

568003.03 mE567997.03 mE567974.11 mE567976.22 mE




Use Restrictions

The future use of any land related to this Corrective Action Unit (CAU), asdescribed by the above surveyed location, is restricted from any DOE, BLM orUSFS activity that may alter or modify the containment control as approved bythe state of Nevada and identified in the CAU Closure Report or other CAUdocumentation unless appropriate concurrence is obtained in advance.

Comments: See the Closure Report for additional information on the condition of the siteCs)


Submitted By: ~;.,...~/ Date: #'Attachments: Survey Map

Q:\SHARE\KEVIN\CNTA'l000CR\USE_Restric\U4BuseJstr.wpd June 26, 200I


CAU Number/Description: CAD 417 (Central Nevada Test Area Surface. NY)

Applicable CAS Numbers/Descriptions: CAS No. 58-09-03 / UC-4 Mud Pit C



UC4 MUD PIT C fence comersNEcomer:SE comer:SWcomer:NWcomer:

4281183.50 roN.4281133.04 mN.4281147.27 mN.4281197.59 roN.

568081.68 mE568072.66 mE567994.55 mE568003.72 mE


Visual inspections as specified in the Closure Re,portSite Monitoring Requirements:_---'-==-:===........=-:o~=.:::=..........,=..=.:o;=::..::....=="'__ __


Use Restrictions



and an monitorin

Date: 1-.-=+--:;...1_


Q:\SHARE\KEVIN\CNTA\2000CR\USE_Restric\U4Cuse_fstr.wpd June 26, 2001


CAD NumberlDescription: CAU 417 (Central Nevada Test Area Surface. NV)

Applicable CAS NumberslDescriptions: CAS No. 58-09-03 / UC-4 Mud Pit D



UC4MUD PITDNEcomer:SE comer:SWcomer:NWcomer:

4281161.15 mN.4281126.83 mN.4281139.32 mN.4281165.56 mN.

568134.18 mE568119.03 mE568075.08 mE568081.63 mE




Use Restrictions



Submitted By: ...LL/,P2~:::«''''''''::::;±~1:1::J~:::::!!:+-,...-----


Q:\SHARE\KEVIN\CNTA\2000CR\USE_Restric\U4DuseJstr.wpd

Date: ----Jl'-f-....I.Ll--4-~...L..-_-

June 26,2001


CAU Number/Description: CAU 417 (Central Nevada Test Area Surface. NY)

Applicable CAS Numbers/Descriptions: CAS No. 58-10-05/ UC-4 Area X

Contact (organization/project): NNSA/NV Off-Sites Project Manager


UC4AREAXNE comer:SE comer:SW comer:NWcomer:

4281282.40 mN.4281267.38 mN.4281287.77 mN.4281325.98 mN.

568284.01 mE568270.71 mE568213.42 mE568246.26 mE


Site Monitoring Requirements: Visual inspections as specified in the Closure Re.port


Use Restrictions




Submitted By: -.L'..L.#.~~~~'o2!:.~!:!:£~~ _


Q:\SHARE\KEVIN\CNTA\2000CR\USE_Restric\U4XuseJstr.wpd

Date: --"'<'+~=r-''''''''---

June 26, 2001

United States Department of the Interior

Bureau of Land ManagementTonopah Field Station

1553 S. Main StreetP.O. Box 911

Tonopah,Nevada 89049(775)482-7800 Fax (775)482-7810

In Reply Refer to:NV065-1640

65.01

MAY 2 I 2001Runore C. Wycoff, DirectorEnvironmental Restoration Div.Departmentof EnergyNevada Operations OfficeP.O. Box 98518Las Vegas, NV 89193-8518

RE: Environmental Restoration Activities for the U.S. Department of Energy's(DOE) Central Nevada Test Area, Hot Creek Valley, Nevada

The Bureau of land Management, Tonopah Field Station, is in receipt of DOE's document"CorrectiveAction Plan for Corrective Action Unit 417: Central Nevada Test Area Surface,Nevada." The document, which describes your planned environmental restoration activities onDOE land withdrawals in Hot Creek Valley, was received on or about April 16, 2000.

We look forward to receiving a copy of the completed Closure Report, which we understand willdocument the completed restoration activities at the DOE sites and offer information on land userestrictions on the withdrawn lands. Once the Closure Plan has been approved: we willincorporate the document into the official land withdrawal file.

If you have any questions, please contact Bill Fisher at (775) 482-7830.

.ooot-J

7

Sincerely.. , rI/.

/JY £'Z;971"~,~\V. Craig ~{acKinnonAssistant Field Manager, Tonopah

t

ACTION -=-:~-----------INFOMGRAMBFSAMTSAMNSAMEMAMPIA

APPENDIXG

SAMPLING, INSPECTION, TESTING, ANDACCEPTANCE (SITA) APPROVAL

MATRIx/CHECKLIST

-----------------------------

THISPAGE INTENTIONALLY LEFTBLANK.

J.J

•

••

••

••

•....•••

r"'~·\

v-... :,

• ,'I-.-1\.... ','

f4.ii ·l........,f

CI\.U 417 CNTI\. Surface SITI\. PlanIII

SECTION IISITA Plan Table I

Site: UC-t Central Mud Pit -- Preclosure TasksREVISION: 0

DATE: 04-05-00

General instructions for using thc·SITAPlan Tables:

I. Acceptance and/or approval or tasks will be made by one (or more) of the SITA delegates (see Section I, Pm12.2 and Part 5.0 for guidance)

2. 1\.11 task IIPs shall be initialedby the responsible SITI\. delegate prior to continuance to the next phase or construction.

Sampleffcst Sample/Location/ Task Task CheckQuantit"/FrclIUenc," Requirement Acceptance Point (CP)

.,

Yes InitialsCondruction Stockplle/ Per Lin (or) and Tasl< Hold

Phase SITA Tasle SITA Method(s) Other Instructions Source Typlcal No Date Point (HP)

GeneralInformation GENERAL INSPECTIONS/OBSERVATIONS - See Specification Section 01050

Visual, plus basic measurements, ./UJeGeneral project include survev/material data where 100% during

\~ ...,/1.6{0,support applicable . construction yes yes

As required per .~.Lift/laver Grade check lift/layerthickness,as liftl1ayer

~thickness required (see check points) N/A yes 7/1/100As-built As required per j{8c>topographic Survey check: thickness,elevations, construction phase LfA

tfItt/v"survev slopes, as required (see hold points) N/A ves..I WEST DIVERSION CHANNEL EXCAVATION -'-See Specification Section 02222 and Drawing No. C34

As-built .J!$v. topographic Surveycheck: elevations, slopes, as After excavation

SUITCY required completion N/A N/A t.J-U '11:zt/.70 CP

2 NORTH DIVERSION CHANNEL EXCAVATION -- See Specicfic Section 02222 and Drawing No. C35

As-built #c,topographic SlIITCY check: elevations,-slopes, as After excavationsurvev required completion N/A" N/A ~ 1/t t/(/ iJ l-lP

3 TRENCH EXCAVATION -- See Specification Section 02222 and Drawing No. C29

I /Table I

I 1

CAU 417 CNTA Surface SITA Plan

Ve'rt..J .(f''''Y'<10,7)&,

[,/~vd(J~}

/Luvd.u! '1~"(C~

a-.I oerwu.,..... '" "'"~11I ...f.u..Ji r

Sample/Test Sample/Locationl Task Tasl< CheckQuantit)'/Frequency Requirement Acceptance Point (CP)

Yes InitialsConstruction StocI<pilel Per Lift (or) and Tasl<Hold

Phase SITA Tasl< SITA Method(s) Other Instructions Source Typical No Date Point (HP)

As-buill Survey check: elevations, slopes, as After excavation N/A N/A jtU-, HI'. topographic required completion i~ Slil/()() f:j;BN e:sut....ev ~~/t70

.. IMPACTED MUD MATERIAL PLACEMENT (from Corrective Action Sites (CASsJ) See Drawing C29

Visual verification ofmud placement ~ --.

Placement only in relocation trench completion None N/A N/A ~ fjIJ..Ij/ tJ" CP ..J

As-built grade Grade check: thickness/elevations, as After mud placement ~", '-'

check required..

completion N/A N/A ~ <;r!J.J!()O HI'

5 WEST BERM SOIL REMOVAI:. (Between Relocation Trench and CMP) -- See Specification Section 02222 and Drawing No. C29

As-buill grade Grade check: elevations, slopes, as After excavation ,~ ~l#~

taw (,d- J: s:,...4,check required completion N/A N/A 1"'1/,).(,/OG HI' fI

6 AGITATOR TOWER REMOVAL EIGHT LOCATIONS - See Drawing No. C28 ..Removal of the pipe towers, as Jle~

Tower removal specified on the drawings None N/A 'N/A T 1/'Z6lo.JCP

Visual verification of completion and .~,.

Removal verified survey record location data as Photographs '1r' 1/u!tJJ(8 locations) required recommended N/A N/A CP

As directed bythe '(ut..Towers placed in holding area for Construction .~ 11t61()~Disposal disposal Superintendent 'N/A N/A CP

7 CMP EXISTING BERMS BENCHING - See Specification Section 02222 and Drawing Nos. C30 and C31

After benching and .pl- ILluALJ ";As-buill grade Grade check: elevations, slopes, as grade sloping .~

1('Z10 ,;l.:s. SO vult..

check required completion N/A N/A lIP

~,t ".~"v'

1 1:" :1oJ

CAU 417 CNTA Surface SITA Plan,..

. SECTION II REVISION:DATE:

o04-05-00

SITA Plan Table IISite: UC-I Central Mud Pit -- Closure Tasks

General instructions for using thc SITt\. Plan Tables:

I. Acceptance and/or approval of tasks will be made by one (or more) of the SITA delegates (see Section I, Part2.2 and Part 5.0 for guidance)

2. All task HPs shall bc initialed by the responsible SITA delegate prior to continuance to the next phase ofconstruction.

.~",u..7/zn/ot''IZ'(!oo

,Sam.llerrellt Sample/Location' Tasl( Task Check

Quantit~"/Frequenc~' Requirement Acceptance Point (CP),

Yes InitialsConstruction Stockpile/ Per Lift (or) and Task Hold

Phase SITA Tasl< SITA Method(s) Other Instructions Source Typical No Date Point (liP)

GeneralInformation GENERAL INSPECTIONS/OBSERVATlONS -- See Sl!ecification Section 01050

Visual, plus basic measurements, .#(.;General project inelude survey/material data where 100% during r tf17.1:,/0.support applicable construction yes yes

As required per ., ,,(ut--Liflllayer Grade check lift/layer thickness, as lift/layer ~~thickness required (see check points) N/A yes 1!uiq..

As required per~As-built construction.phase

.IJ'-'topographic SUITCY check: thickness, elevation, completionsurvey slope, as required (see hold points) N/A yes 1ht/~!'

1 GEOGRID LAYER PLACEMENT - See Specification Section 07537 and Drawings ClO and Cli

Preplacernent Contact DOEIPM and NDEP at least~~

.~.:/ ~~b(j- p"11Zt>//Xlnotification 48 hours prior to geogrid placement None NlA N/A 7j #-tij(JC'

. HP

Placement only Visual verification of completion Nonc N/A N/A ~ '7'::}!r» HP rr.

2 STABILIZATION LAYER PLACEM~NT(Contaminated Material from CASs)

II Table II

1IJ11111 II 111I.lImnlll III I 'I I II " III

CAU 417 CNTASurface SITA 1'1311II III1J IIU'''.I I 1 , 1.1t1."1

Samplcffest SllmplelLocationl Tasl{ Tasl{ Checl{Quantlty/Frequeney Requirement Acceptance Point (CP)

.Yes Initials

Construetkm Stocl{pilel Per Lift (or) and Ta,~k HoldPhase SITA Tusk SITA Method(s) Other'lnstructions Source Typical No Date Point (HP)

Placement only Visual verification of completion None N/A N/A~~ (;';;Z,o CP

Aftercontaminatedv

.J.~As-builtgrade Gradecheck: thickness,elevations,3S material layer ~YJ

check required placementcompletion N/A N/A 1(1/flo CP

3 STABILIZATION LAYER PLACEMENT (Native Material) -- See Specification Section 02223 and Drawings C32 and C33- 4AJv2-ft layer Compaction process: minimumfour

~First placement passes with LOP equipment None' N/A yes :?!!?Io<." CP

2-ft layer Compaction process: minimum four ~

Second placement passes with top equipment None N/A yes ~ 91""'/00 CP

Gradecheck: thickness,elevations, Aftereach layer/lift~

~l'

Gradecheck slopes, as required placementcompletion N/A yes x!nkrv CP,

As-built After nativematerial 1«/c.topographic Surveycheck: thickness,elevations, layerplacement ~survev slopes, as required completion N/A yes 1/zt/rv liP

.. MONUMENTS, FENCING, & SIGNAGE PLACEMENT -- See Specification Sections 02831& 03001 and Drawings C32 and C36

Monuments lnstallation/survev data Completion N/A N/A '~~,"'"

CP.' '1/U'lao

Fencing Installation Completion N/A N/A r /t-I!lc.. CPcll"la;.>

Signage Installation Completion N/A N/A ':~I!. " ... CPqh~'/~<>

Cap surface - final topographicsurveyr

~JA'bII,,~

SlIITey -- as-built drawings Final N/A N/A 11'Z~/rJC> III'.

'5 VEGETATIVE LAYER PROCEDURE (placed Stabilization Layer Material) .:.u", IU!< ~Ii~-I P'frv ;c.15c-- ... .~ .I·'<J/~/", ~Site prep: prior to placementof any -

Prepare cover vegetation disc/plow cover surface- .~Il~ -f 'rT04 .p/, 1:.

onlv avoidingthe subsidence monuments None NlA N/A HI'

6 lIC-1 CMP CLOSURE CAP CONSTRUCTION COMPLETION

Establish with DOEIPM (and notify None N/A N/A t;~ ~JOo- 1-11'Site tour t, ~It ,,/111

0,


)

Samplerrest Sample/Location/ Task Tasl( Checl(- Quantit~'/Fre(IUenc~' Requirement Acceptance Point (CP)

Yes InitialsConstruction Stockpile! Per Lift (or) and Tad( Hold

Phase SITA Tllsli SITA Method(s) Other Instructions Source Typical No Date Point (liP)

confirmation NDEP)closure acceptance lour . ;r ~"dale/lime ¥/I~/oi

Site lour Closure acceptance/Sign-off Final N/A N/A I~ o/(;lP/P/ UP

3/ Table II

r-(...>

I, ).:-;t'

CI\.U 417 CNTI\. Surface SITI\. Plan

SECTION II

SITA Plan Table IIISite: Ve·l Trench -- Closure Tasks

REVISION:DATE:

o04-05-00

General instructions for using the sITI\. PlanTables:

I. Acceptance and/or approval of tasks willbe made by one (or more)of the SITA delegates(see SectionI, Part 2.2 and Part 5.0 for guidance)

2. All task ID)s shall be initialed by the responsibleSITI\. delegate pri~r to continuance to the next phaseof construction.

Sample/Test Sample/Locationl Tasl, Tasl, CheckQuantit~'/Frequenc~' Requirement Acccptance Point (CP)

Yes InitialsConstruction Stockpile! Per Lift (or) and TalikHold

Phase SITA Talil, SITA Method(s) Other Instructions Source Typical No Date Point (HP)

GeneralInformation GENERAL INSPECTIONSIOBSERVATIONS - See Specfflcation Section 01050

Visual, plus basic measurements, .pvGeneral project includesurvey/material data where 100%during

cera 1(1£/00support applicable construction yes yes

As required per \ ~Lift/layer Gradecheck liMayer thickness, as lifl/layer ?" 1lzt/tJiJthickness required (see check points) N/A yes

As required per /l1¥/~S-b~tf; J

As-built construction phase Ir glt/'"0 , It.tttopographic Surveycheck: thickness,elevation, completionsun'ey slope, as required (see hold points) N/A yes

I GEOGRID LAYER PLACEMENT -- See Specification Section 07537 and Drawings C30 and C31

Preplacement ContactDOEIPM and NDEP at least 'JP.'41!Jt./

notification 48 hours prior to geogridplacement None NIA N/A ~Izz/~C' HP

Placement only Visual verification of completion None NIA N/A ~ 191't'l1~/? 10'

2 STABILIZATION LAYER PLACEMENT (Contaminatcd Material from CASs . .{t~v

II Table III

I


Sample/Test Sample/Location/ Task Task CheckQuantity/Frequency Requirement Acceptance Point (CP)

- Yell InitialsConstruction Stockpile/ Per Lift (or) and Task Hold

Phase SITA Task SITA Method(s) Other Instructions Source Typical No Date Point (HP)Placement only Visual verification of completion None N/A N/A ~

CPI~ J?iz'7/cJr:lAfter contaminated

II~As-built grade Grade check: thickness, elevations, as material layer r:check required placement completion N/A N/A fh5"/f};J CP

3 . STABILIZATION LAYER PLACEMENT (Native Material) - See Specification Section 02223 and Drawings C32 and C33

2-fi layer Compaction process: minimun four ~

First placement passes with LGP equipment None N/A yes t-JM f(?'7/.:n CP

2-tt layer Compaction process: minimun four "

"1""~-

Second placement passes with LGP equipment None N/A yes ti)/;/~" CP

Grade check: thickness, elevations, After each layer/lift fU$e~ PUYJ"j '"Grade check slopes, as required placement completion N/A yes tr' ror/« CP6/, ,/~"

As-built After native material ,ft"3vtopographic Survey check: thickness, elevations, layer placement 'r6'survev slopes, as required completion N/A yes 1/u! (J;.'> IlP

... MONUMENTS, FENCING, & SIGNAGE PLACEMENT - See Specification Sections 02831 & 03001 and Drawings C32 and C36

Monuments Installation/survev data Completion N/A N/A .~~Mf?V

CP4'/zoj~;)

Fencing Installation Completion N/A N/A 'P"~ CP-?ji"i4fJ

Signage Installation Completion N/A N/A t..¥4-ft..hL--

CP'1115/"-,,Cap surface - final topographic survey

~Jt,d'"

Survey -- as-built drawings Final N/A N/A 1t;lu/,;p liP

5 VEGETATIVE LAYER PROCEDURE (Placed Stabilization Layer Material) . J

Site prep: prior to placement of any ~t_ rt r,;u.4 ?({)(J<l

Prepare cover vegetation disc/plow cover surface - r #-' -;,p... !'cI 'T/£'JIII,;1

onlv avoiding the subsidance monuments None N/A N/A U" /Yi! 'rtJrller~~/l'/

6 UC-l TRENCH CLOSURE CAP CONSTRUCTION COMPLETIONJ.

Establish with DOEiPM (and notify None N/A N/A ~, .. rw

IlPSite tour I,..~. J

2/ T·I-,Ie III

·~.: ..

.-1-..CAU 417 CNTA Surface SITA Plan

Sample/Test Sample/Location/ Task Task Check

. - Quantit~·/Frequenc~· Requirement Acceptance Point (CP)

Yes InitialsConstruction Stoc!<pile/ Per Lift (or) and Tasl< Hold

Phase SITA Tllsl< - SITA Method(s) Other Instructions Source Typical No Date Point (HP)

confirmation NDEP) closure acceptance tour(.~

f.-{jc"

date/time if/IdIotSite tour Closure acceptance/Sign-off Final N/A N/A ~ Lf/p/.71 lIP

3 I Table III

APPENDIXH

POST-CLOSURE INSPECTION CHECKLISTS


•

•

•..

•

•..

III

..•

•

..

CAU 417: CNTA UC-1 CENTRAL MUD PIT COVER, POST-CLOSURE MONITORING CHECKLIST

Date of Last Inspection: Reason for Last Inspection:

Responsible Agency: Project Manager:

Inspection Date:

Inspector (name, title, oroanlzation):

Assistant Inspector (name, title, oraanization):

A. GENERAL INSTRUCTIONS1. All checklist items must be completed and detailed comments made to document the results of the site inspection. The

completed checklist is part of the field record of the inspection. Additional pages should be used as necessary to ensurethat a complete record is made. Attach the additional pages and number all pages upon completion of the inspection.

3. Any checklist line item marked by an inspector in a SHADED BOX, must be fUlly explained or an appropriate reference toprevious reports provided. The purpose of this requirement is to provide a written explanation of inspector observationsand the inspector's rationale for conclusions and recommendations. Explanations are to be placed on additionalattachments and cross-referenced appropriately. Explanations, in addition to narrative, will take the form of sketches,measurements, annotated site maps.

4. The site inspection is a walking inspection of the entire site including the perimeter and sufficient transects to be able toinspect the entire surface and all features specifically described in this checklist.

5. A standard set of color 35 mm photographs (or equivalent) is required. In addition, all anomalous features or new features(such as changes in adjacent area land use) are to be photographed. A photo log entry will be made for each photographtaken.

6. This unit will be inspected biannually with formal reporting to the Nevada Division of Environmental Protection to be doneannually. The annual report will include an executive summary, this inspection checklist with field notes and photo logattached, and recommendations and conclusions.

B. PREPARATION (To be completed prior to site visit) YES NO EXPLANATION

1. .Site as-built plans and site base map reviewed.

2. Previous inspection reports reviewed.

a. Were anomalies or trends detected on previousinspections?

b. Was maintenance performed?

3. Site maintenance and repair records reviewed.

a. Has site repair resulted in a change from as-builtconditions?

b. Are revised as-builts available that reflect repair changes?

C. SITE INSPECTION (To be completed during inspection) YES NO EXPLANATION

1. Adjacent off-site features within watershed areas.

a. Have there been any changes in use of adjacent area?

b. Are there any new roads or trails?

c. Has there been a change in the position of nearbywashes?

d. Has there been lateral excursion or erosion/deposition ofnearby washes?

e. Are there new drainage channels?

f. Change in surrounding vegetation?

2. Security fence, signs.

a. Displacement of fences, site markers, boundary markers,or monuments?

b. Have any signs been damaged or removed?(Number of signs replaced: )

c. Were gates locked?

CAU 417: CNTA UC-1 CENTRAL MUD PIT COVER, POST-CLOSURE MONITORING CHECKLIST

3. Waste Unit cover. YES NO EXPLANATION

a. Is there evidence of settling?

b. Is there cracking?

c. Is there evidence of erosion around the cap (wind orwater)?

d. Is there evidence of animal burrowing?

e. Have the site markers been disturbed by man or naturalprocesses?

f. Do natural processes threaten to integrity of any cover orsite marker?

a. Other?

4. Vegetative cover.

a. Is perimeter fence or mesh fencing damaged?

b. Is there evidence of horses or rabbits on site?

c. Is organic mulch and/or plants adequate to preventerosion?

d. Are weedy annual plants present? If yes, are they aproblem?

e. Are seeded plant species found on site?

f. Is there evidence of olant mortality?

5. Photo Documentation

a. Has a photo log been prepared?

c. Number of photos exoosed I )

D. FIELD CONCLUSIONS

1. Is there an imminent hazard to the integrity of the unit?(Immediate report required)

Person/AaencY to whom reoort made:

2. Are more freauent insoections reauired?

3. Are existing maintenance/repair actions satisfactory?

4. Is other maintenance/repair necessary?

5. Is current status/condition of veaetative cover satisfactory?

6. Rationale for field conclusions:

E. CERTIFICATION

I have conducted an inspection of the UC-1 Cental Mud Pit Cover, CAU 417, at the Central Nevada Test Area in accordance withthe Post-Closure Monitoring Plan (see Closure Report) as recorded on this checklist, attached sheets, field notes, photo logs, andohotoaraohs.

Chief Insoector's Sianature: Printed Name:

Title: Date:

CAU 417: CNTA UC-4 MUD PIT C COVER, POST-CLOSURE INSPECTION CHECKLIST

Date of Last Inspection: Reason for Last Insoection:

Responsible Agency: Project Manager:

Inspection Date:

Inspector (name, title, organization):

Assistant Inspector (name, title, organization):

A. GENERAL INSTRUCTIONS1. All checklist items must be completed and detailed comments made to document the results of the site inspection. The

completed checklist is part of the field record of the inspection. Additional pages should be used as necessary to ensurethat a complete record is made. Attach the additional pages and number all pages upon completion of the inspection.

3. Any checklist line item marked by an inspector in a SHADED BOX, must be fully explained or an appropriate reference toprevious reports provided. The purpose of this requirement is to provide a written explanation of inspector observationsand the inspector's rationale for conclusions and recommendations. Explanations are to be placed on additionalattachments and cross-referenced appropriately. Explanations, in addition to narrative, will take the form of sketches,measurements, annotated site maps.

4. The site inspection is a walking inspection of the entire site including the perimeter and sufficient transects to be able toinspect the entire surface and all features specifically described in this checklist.

5. A standard set of color 35 mm photographs (or equivalent) is required. In addition, all anomalous features or new features(such as changes in adjacent area land use) are to be photographed. A photo log entry will be made for each photographtaken.

6. This unit will be inspected biannually with formal reporting to the Nevada Division of Environmental Protection to be doneannually. The annual report will include an executive summary, this inspection checklist with field notes and photo logattached, and recommendations and conclusions.

B. PREPARATION (To be completed prior to site visit) YES NO EXPLANATION

1. Site as-built plans and site base map reviewed.

2. Previous inspection reports reviewed.

a. Were anomalies or trends detected on previousinspections?

b. Was maintenance performed?

3. Site maintenance and repair records reviewed.

a. Has site repair resulted in a change from as-builtconditions?

b. Are revised as-builts available that reflect reoair chances?

C. SITE INSPECTION (To be comoleted durina insoection) YES NO EXPLANATION

1. Adjacent off-site features within watershed areas.

a. Have there been any changes in use of adjacent area?

b. Are there any new roads or trails?

c. Has there been a change in the position of nearbywashes?

d. Has there been lateral excursion or erosion/deposition ofnearby washes?

e. Are there new drainage channels?

f. Change in surrounding vegetation?

2. Security fence, signs.

a. Displacement of fences, site markers, boundary markers,or monuments?

b. Have any signs been damaged or removed?(Number of signs replaced: )

c. Were gates locked?

CAU 417: CNTA UC-4 MUD PIT C COVER, POST-CLOSURE INSPECTION CHECKLIST

3. Waste Unit cover. YES NO EXPLANATION

a. Is there evidence of settling?

b. Is there cracking?

c. Is there evidence of erosion around the cap (wind orwater)?

d. Is there evidence of animal burrowing?

e. Have the site markers been disturbed by man or naturalprocesses?

f. Is the vegetation on the cover?

g. Do natural processes threaten to integrity of any cover orsite marker?

h. Other?

4. Photo Documentation

a. Has a photo log been prepared?

c. Number of photos exposed ( )

D. FIELD CONCLUSIONS

1. Is there an imminent hazard to the integrity of the unit?(Immediate report required)

Person/Aaencv to whom report made:

2. Are more freauent insoections required?

3. Are existina maintenance/repair actions satisfactory?

4. Is other maintenance/repair necessary?

5. Is current status/condition of veaetative cover satisfactory?

6. Rationale for field conclusions:

E. CERTIFICATION

I have conducted an inspection of the UC-4 Mud Pit C Cover, CAU 417, at the Central Nevada Test Area in accordance with thePost-Closure Inspection Plan (see Closure Report) as recorded on this checklist, attached sheets, field notes, photo logs, andphotocraohs.

Chief Insoector's Sianature: Printed Name:

Title: Date:

APPENDIX I

NDEP DOCUMENT REVIEW SHEET


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DOCUMENT REVIEW SHEET

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Document TitlelNumber: Closure Report for Corrective Action Unit 417: Central Nevada Test Area Surface, NevadaDocument Date: July 2001Revision Number: 0Originator/Organization: Bechtel NevadaReviewer/Organization: Nevada Division of Environmental Protection

CommentNumber/ Typea Comment Comment Response AcceptLocation

1. Section 5.0 M The closure report was found to be deficient Section 5.0 has been modified to state YESpage 49. in that it does not explicitly state in Chapter that specific compliance criteria for the

5.0 Post Closure Monitoring Plan that in the UC-1 cover performance will beevent that the UC-1 CMP cover was not established once the soil moisture in theperforming as designed, or if the vegetative cover has reached equilibrium. Oncecover was not healthy and capable of equilibrium has been reached, if theperforming the function of transpiring soil cover is found to be not in compliance, acover moisture as designed, that the work plan detailing the proposedNNSAINV would take steps to repair, re- corrective actions will be prepared andvegetate, or otherwise restore the soil cover submitted to the NDEP for approval prioror vegetation so that it meets design criteria. to making corrective actions.

a. Comment Types: M=Mandatory S=Suggested Page 1 of 3

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CommentNumberl Type" Comment Comment Response AcceptLocation

2. Seciton 5.0 M The Post Closure Monitoring Plan does state See response to comment 1 above. YESpage 49 that if inspection results indicate that

maintenance or repair of the cover or other If the UC-l cover is not in compliancesite installations is required, that those and/or if other site repairs are requiredrepairs will be made and NDEP informed. the NNSAINV will inform the NDEPHowever, no criteria are provided on which and, if necessary, a work plan detailingmaintenance and repair decisions are to be the proposed corrective actions will bebased. What is required is a set of quantified prepared and submitted to the NDEP forcriteria that will be used to make these approval prior to making correctivedecisions (e.g. subsidence distance or actions.percentage over designed cover subsidence,depth or number of erosion rills in cover,diversion channel scour depth or distance ofdeviation from original channel).

a. CommentTypes: M=Mandatory S=Suggested Page 2 of 3


CommentNumber! Typea Comment Comment Response AcceptLocation

3. Section 4.2 M Land-use restrictions are stipulated in This issue will be addressed in YESpage 47 and Section 4:2 and exact coordinates are given accordance with the procedure agreed toAppendix F in Appendix F. The U.S. Bureau of Land by the NDEP and the DOE.

Management (BLM) has been informed ofthe impending closure (letter in AppendixF), but has not formally documented theland-use restrictions in its records. Finalclosure of CAU 417 and movement of CAU417 from Appendix Ill to Appendix IV ofthe FFACO "Closed Corrective ActionUnits" will not occur until final recordationis made by BLM , in terms of appropriatelyincorporating the land use restrictions intothe Land Withdrawal Record, and evidenceofthat action is received bv NDEP.

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a. CommentTypes: M=Mandatory S=Suggested Page 3 of 3


DISTRIBUTION LIST


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Closure Report - CAU No. 417Central Nevada Test AreaSection: Distribution ListRevision: 1Date: November 5. 2001

DISTRIBUTION LIST*Provide copy of initial distribution ofRevision 0; remainder of list gets Revision 0 if approvedwithout changes. The entire list receives Revision 1, if issued.

Nevada Division of Environmental Protection

Paul LiebendorferBureau ofFederal FacilitiesDivision of Environmental Protection333 W. Nye Lane, Room 138Carson City, NY 89706-0851

Supervisor, Las Vegas OfficeBureau ofFederal FacilitiesDivision of Environmental Protection, Las Vegas Office555 E. Washington, Suite 4300Las Vegas, NY 89101-1049

U.S. Department of Ener2Y

Sabrina LawrenceEnvironmental Restoration DivisionU.S. Department of EnergyNational Nuclear Security AdministrationNevada Operations OfficeP.O. Box 98518 MIS 505Las Vegas, NY 89193-8518

Monica SanchezProject ManagerEnvironmental Restoration DivisionU.S. Department of EnergyNational Nuclear Security AdministrationNevada Operations OfficeP.O. Box 98518 MIS 505Las Vegas, NY 89193-8518

Peter SandersEnvironmental Restoration DivisionU.S. Department ofEnergyNational Nuclear SecurityAdministration Nevada Operations OfficeP.O. Box 98518 MIS 505Las Vegas, NY 89193-8518

2 (Controlled)*

1 (Controlled)*

1 (Controlled)*

1 (Uncontrolled)*

2 (Uncontrolled)*

Closure Report - CAU No. 417Central Nevada Test AreaSection: Distribution List •Revision: IDate: November 5. 2001

DISTRIBUTION LIST (Continued) •u.s. Department of EnereY (continued) III

U.S. Department of Energy 1 (Uncontrolled,Office of Scientific and Technical Information electronic copy) •P.O. Box 62Oak Ridge, TN 37831-0062

•U.S. Department of Energy 1 (Uncontrolled)National Nuclear Security AdministrationNevada Operations Office •Technical Information Resource CenterP.O. Box 98518, MIS 505Las Vegas, NV 89193-8518 •Manager, Southern Nevada 1 (Controlled) & ..FFACO Public Reading Room 1 (Uncontrolled)P.O. Box 98521 MIS NLV040Las Vegas, NV 89193-8521 ..Bechtel Nevada •Correspondence Control 1 (Uncontrolled)*Bechtel Nevada IIIP.O. Box 98521 MIS NLVOO8Las Vegas, NV 89193-8521

•Environmental Management Library 1 (Uncontrolled)*Bechtel NevadaP.O. Box 98521 MIS NLV080 IIILas Vegas, NV 89193-8521

Kevin Campbell 1 (Uncontrolled)* III

Bechtel NevadaP.O. Box 98521 MIS NTS306 ..Las Vegas, NV 89193-8521

Gregory Doyle 1 (Uncontrolled)*III

Bechtel NevadaP.O. Box 98521 MIS NTS306Las Vegas, NV 89193-8521 ..

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DISTRIBUTION LIST (Continued)

Bechtel Nevada (continued)

Ann HeidemaBechtel NevadaP.O. Box 98521 MIS NLV102Las Vegas, NY 89193-8521

Wayne JohnsonBechtel NevadaP.O. Box 98521 MIS NTS306Las Vegas, NY 89193-8521

Steve NachtBechtel NevadaP.O. Box 98521 MIS NTS306Las Vegas, NY 89193-8521

Julie SorolaBechtel NevadaP.O. Box 98521 MIS NLV085Las Vegas, NY 89193-8521

IT Corporation

GanyRomanoIT FFACO Support OfficeIT CorporationP.O. Box 93838, MIS 439Las Vegas, NY 89193-3838

David StahlIT CorporationP.O. Box 93838, MIS 439Las Vegas, NY 89193-3838

PEER Consultants

Gary HudakPEER ConsultantsP.O. Box 98521 MIS NLV082Las Vegas, NY 89193-8521

Closure Report - CAU No. 417Central Nevada Test AreaSection: Distribution ListRevision: IDate: November 5, 2001

1 (Uncontrolled)"

1 (Uncontrolled)*

1 (Uncontrolled)*

1 (Uncontrolled)*

1 (Controlled)

1 (Uncontrolled)*

1 (Uncontrolled)*

DISTRIBUTION LIST (Continued)

State of Nevada

Manager, Northern NevadaFFACO Public Reading RoomNevada State Library and Archives, Federal Publications100 North Stewart StreetCarson City, NY 89701-4284

u.S. Bureau of Land Mana&ement

William S. FisherP.O. Box 911Tonopah, NY 89049-0911

u.S. Forest Service

John HaneyTonopah Ranger DistrictP.O. Box 3940Tonopah, NY 89049-6286

Closure Report - CAU No. 417Central Nevada Test AreaSection: Distribution ListRevision: 1Date: November 5, 2001

1 (Uncontrolled)

1 (Uncontrolled)

1 (Uncontrolled)

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