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/fhU. S. NUCLEAR REGULATORY COMMISSION h

0FFICE OF INSPECTION AND ENFORCEMENT U'

f Up liUC 2 4 Iggy (9;REGION V

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^ 'Report No. 81-01

NpUILicense No. N/A Priority N/A Cate e

Licensee:

NRC inspection conducted during survey

activities by U. S. Army inspection team.,

1

! Inspection at: Camp Parks, California

Inspection conduct d: July. 6-10, 1981

Inspectors: ', , h. O /11| E. Book, Inspector Date Signed

OWd th9 IP.R.Zur9kowski,RadiationSpecialist 'Date Signed

29a fe46O WMel;

B. A. Riedlingetf Radiation Specialist Date Signed'

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/Approved by: M/R. D. Thomas, Chief, Materials Radiation Protection / Bate Signed

Section

! Approved by: C ( Y ,),- .

H. E. Book, Chief, Radiological Safety Branch 'Da'te Signed

Summary:

l Special Inspection on July 6-10, 1981 (NRC Report No. 99990005/81-01)

Areas Inspected:

This inspection of buildings and areas at Camp Parks was conducted in conjunction'

with a U. S. Anny inspection team.

j Buildings and areas that had been formerly used for work with radioactive materialswere surveyed. The locations of most of the buildings and areas included in thisinspection are indicated on Attachment A. This inspection involved a total offifty-two inspector hours on site by three NRC inspectors.

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Results:

Only low-levels of radioactive contamination were found during this survey. Thiscontaminated areas were in Buildings 131, 782, 331, 305, and in an area betweenBuildings 331 and 332. See Section 4 for details.

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U. S. NUCLEAR REGULATORY COMMISSIONOFFICE OF INSPECTION AND ENFORCEMENT

REGION V7

Distribution for Camp Parks special inspection (NRC Reoort No. 99990005/81-01)is as follows:

Commander,

: U.S. Army Environmental Hygiene Agency, Health Physics Division! Attn: Lt. Armstrong or Lt. Davis

Aberdeen Proving Ground, Maryland 21010

Commander - Hqs Presidio of San FranciscoAttn: AFZM-FE (Col . D. F. Svendsew)Presidio of San Francisco, California 94129

Sent to DMB for DCS processing

Distributed by RV:State of CABranchcopies(3),

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DETAILS

1. Persons Contacted

1 Lt. Roger Davis, U. S. Army Environmental Hygiene Agency2 Lt. Brett Armstrong, U. S. Army Environmental Hygiene AgencyMr. Al Smith, Former Radiation Safety Officer, Navy RegionalDefense Laboratory

Mr. Jim Thomas, Asst. Director, Health and Safety Department,S.R.I. International

Mr. Larry Inman, S.R.I. InternationalMr. Joseph Mackey, Director of Facilities and Logistics, Camp Parks -

Mr. Ronald Weiand, Building 730 Shop Supervisor, Camp ParksMr. Irwin T. Colbrant, Jr., Recreai, ion Coordinator, Camp Parks GymnasiumSgt. Johnson, Building 331, Camp ParksLt. C. Hirabayashi, Building 331, Camp ParksMsgt. Jack Bailey, Building 311, Camp ParksDeputy Chief Glen Smith, Building 312, Camp Parks, U.S. Border PatrolColonel M. Mark, Camp Parks, Commanding OfficerMr. Jim Bovee, Building 132, Camp Parks Warehouse ManagerMr. Donald Spector, Building 170, Camp Parks, Department of Justice,Warehouse Supervisor

Mr. Mersin Gule, Safety Officer, Federal PrisonMr. Ron Pronechen, Safety Officer, Federal PrisonMr. R. H. Engelken, Director, NRC Region VMr. G. S. Spencer, Director, Division of Technical Inspection, NRC

Region VMr. H. E. Book, Cnief, Rad ological Safety Branch, NRC Region VMr. R. D. Thomas, Chief, Mate ials Radiation Protection Section,

NRC Region VMr. P. R. Zurakowski, Radiatiot Specialist, NRC Region VMs. B. A. Riedlinger, Radiatior. Specialist, NRC Region V

2. Background

Since 1959, the Naval Radiological Defense Laboratory, the Universityof California at Berkeley, and the Stanford Research Institutehave used numerous buildings and certain ground areas at Camp Parks forradiation related research. Several Buildings in a 17 acre site werepurposely contaminated with short half-life radioactive ma erials inthe early 1960's. Land burial was used to dispose of some short livedradioactivity at the conclusion of civil defense related experiments.Of the buildings used in research work, only two remain under active

,

NRC licenses.

In addition to the utilization of buildings, approximately a 150 acresite was used for animal experiments. This facility was dismantledin November of 1973, and the four sealed sources totaling approximately2000 curies of cobalt-60 were shipped to the radioactive waste disposalsite near Beatty, Nevada.

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At the request of Major Charles Day of the U. S. Army EnvironmentalHygiene Agency at Aberdeen Proving Ground, Maryland, Region V as'.istedLieutenants R. Davis and B. Armstrong in a radiation survey of allCamp Parks facilities that had been used for radiation related research.Such surveys had been conducted as facilities closed down one at a timeover the years. The purpose of the current survey was to verify anddocument the status of all grounds and facilities that had been usedin radioactive materials research prior to the termination of all workwith radioactivity at Camp Parks. This survey was conducted duringJuly 6-10, 1981. Three Region V inspectors participated.

j 3. Instruments Used

An Eberline Model PRM-7 micro-R meter, NRC #006383, was used duringthis survey. The instrument had a background of 5 micro-R per hourand is due for recalibration on or before March 30, 1982.

An Eberline Model E-520 Survey Meter, NRC #007908, was used duringthis survey. A HP-260 pancake probe and a HP-270 geiger-muellertube were used in conjunction with the E-520 instrument. Wi th theHP-260 probe, the instrument had a background of 50 counts per minute.The E-520 is due for recalibration on or before August 12, 1981.

A LRL Alpha Air Proportional Count Rate Meter, NRC #000374, wasalso used during this survey. The instrument is due for recalibrationon or before August 8, 1981.

4. Buildings and Areas Included in this Survey

a. Buildinn 130

This building was in use by SRI International. No radioactivematerials were in use at the time of the survey, but thebuilding had been used in the past for processing of radioactivesoil samples. The building was surveyed with micro-R meters andE-520 instruments.

A set of radium dial instruments was located on a shelf in asmall work area. The E-520 GM probe indicated a maximum of1 mr/hr (closed window) at the surface of the dials.

Some Union Carbide arc carbons were also located and werefound to read 250 micro-R/hr. The E-520 GM probe (openwindow) measured a maximum of 0.2 mr/hr. The Army personneltook a sample of the carbons to determine the reason for the

*

activi ty.*

About forty NRDL sample boxes were found in the building, butthere was no evidence of radioactive contamination.

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b. Building 131

SRI International presently has an NRC license for this facility.Decontamination efforts have been made in this building, but ithas not been released for unrgstricted use. Three localizedspots (cf approximately 15 cm ) were found with the NRCEberline E-520 and a HP-260 probe:

(1) On the wall behind two former hot cells, 71 inches fromthe nearest side wall and 33 inches high, the activityv.as 1,800 disintegrations per minute. (350 counts perminute above background)

(2) On the wall behind the fomer hot cells, 96 inches fromthe nearest side wall and 8 inches high, the activitywas 2,400 disintegrations per n.inute. (450 counts perminute above background)

(3) On an electrical box on the porch area, 227 inches fromthe nearest door to the building interior, the activitywas 3,400 disintegrations per minute. (650 counts per minuteabove background)

The Army representatives surveyed the areas indicated aboveand checked for removable contamination. They alsocollected a sample of concrete from under the porch areaof the building.

c. Building 132

This building is presently a warehouse facility for the U.S. Army.The building had been used several years ago by Sandia Corporationfor work with radioactive materials. The building was surveyedwith micro-R meters and E-520 instruments. No evidence of radioactivecontamination was found.

d. Building 170

This facility is used by UNICOR Federal Prison Industries asa warehouse to store products manufactured by the prisoners.It was used in the past to store sand that had been coated withradioactive materials to simulate fallout. The building wassurveyed with micro-R meters and E-520 instruments. No evidenceof radioactive contamination was found.

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e. Building 781, 782, and 783

These buildings are deserted now, but they had been used forprocessing radioactive waste. The buildings and the areasaround them were surveyed with micro-R meters and EberlineE-520 instruments.

Although there was evidence of extensive decontamination effortin Building 782, one area of approximately five feet byfour inches wc.s found along a baseboard in the building whichgave activity levels ranging from 1300 disintegrations perminute to 3400 disintegrations per minute (250-650 cpm above

ibackground). The Army personnel collected samples of wood chips

i and soil from the building. Photographs 1 and 2 show survey! work being done at Building 782.

No other radioactive contamination was found in the area.

f. Buildings 730, 731, 732, 735, and Surrounding Areas

This facility is a fenced government motorpool area. Suppliesare stored in out-buildings. This area had been used fordecontaminating vehicles used in fallout studies. The buildingsand surrounding areas in the compound were surveyed withmicro-R meters and spot checked with E-520 instruments. Therewas no evidence of radioactive contamination. The Army personneltook a soil sample from the dirt accumulation in the floor drainin Building 730. See photograph 3.

g. Building 870

This building was surveyed with micro-R meters, Eberline E-520and Alpha Air Propcrtional survey meters. There was no evidence of

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radioactive contamination.

b. Building 880 (Gymnasium)|

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The ends of this building had been utilized for the useIand storage of radioactive material. The facility was surveyedI

with a micro-R meter and spot checked with an E-520. No

radioactive contamir.ation was indicated.

The Army personnel collected a soil sample from a fomerliquid effluent basin. |

i. Building 331

Portions of this building had been used for personneldecontamination and change rooms. The building is nottused for equipment storage and supply distribution. Thebuilding was surveyed with micro-R meters and spot checked

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with an E-520 instrument. Some radium-dial equipment waslocated. One area indicating 10 micro-R/hr was located in anempty storage area. The Army personnel took a sample of woodfrom the storage shelf in the room. No other evidence ofradioactive contamination was found.

| j. Building 305

This building was used by the University of California forplant uptake studies. The Army personnel surveyed the buildingwith E-520 instruments, ar.d took soil samples. One spct of 500counts per minute was located by the Army perso,'nel in Room 14.There was no other evidence of radioactive contam: nation.

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k. Building 311

This building is a laundry now. It was surveyed with micro-Rmeters and E-520 instruments, and no evidence of radioactivecontamination was fornd.

1. Building 310

The laundry personnel also control access to this building,which was surveyed with micro-R meters. No n/idence ofi

radioactive contamination was found.

m. Building 312

This facility was a counting laboratory. It is now used by theBorder Patrol. A survey with micro-R meters and E-520 instrumentsindicated no radioactive contamination.

n. Area Between Building 331 and 332

A government motorpool is located between buildings 331 and332. This area was the former site of a plant uptake study.The area was surveyed with micro-R meters and E-520 surveymeters. Two localized spots gave readings above background.The maximum reading was about 15 micro-R/hr above background.

! Soil samples were taken by the Army personnel.

o. Federal Prison

An attempt was made to survey buildings 533, 553, and 570.These buildings had been torn down and eighteen inches of filldirt had been added so that a federal prison could be constructedon the site. The old building sites were surveyed with micro-Rmeters, and soil samples were collected by the Army personnelboth inside and outside the prison area. There was no evidencet

j of radioactive contamination. See photograph 4.

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p. Cobalt-60 Range and Pool Site

A former cobalt-60 irradir*, ion range site was inspected. Thecobalt sources had been disposed of years ago. See photograph 5.

A pool site where corrosion experiments and Au-198 experimentshad been conducted was also inspected. The pool was filled inseveral years ago.

Surveys with a micro-R meter indicated no radioactive contamination.

q. Farm Site-

A farm site had been used for animal experiments utilizingFe-59 and other short-lived radioisotopes. The animals ,iereburied near the farm site. Building 1168 and the burial sitewere surveyed by Army and NRC personnel using micro-R-metersand E-520 instruments. Radiation levels were background.Soil samples were also collected by the Army personnel.See photograph 6.

r. Btnker 1186

This bunker had been used to store radioactive material.The bunker was surveyed with a micro-R meter and a E-520instrument with a pancake probe. There was no evidence ofradioactive contamination. The Army personnel also surveyedthe edge of a nearby park site with a micro-R meter. No levelsabove background were indicated.

5. Locations of Areas Surveyed

Attachment A indicates the locations of most of the buildings andareas included in this survey.

6. Exit Discussion

At the conclusion of the radiological survey, the Army representativesmet with Messrs. Engelken, Spencer, Book, Thomas, and Ms. Riedlingerof the NRC Region 5 staff to discuss the survey and their preliminaryfindings. After the environmental samples have been processed, theArmy team will prepare final inspection report. Follow-up actionswill be determined by the Army after their results are fully evaluated.

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