ML20195G043

Discusses Requests to Decommission Radioactive Storage Room A13 in Minnesota.Request Should Be Reviewed & Guidance Should Be Provided If Addl Info Needed

ML20195G043
Person / Time
Issue date:	06/24/1997
From:	Cassandra Frazier NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:	Jorgensen B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20195F703	List: ML20195F696 ML20195F711 ML20195G043
References
FOIA-99-3 NUDOCS 9811200172
Download: ML20195G043 (5)

Text

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l p#%g UNITED STATES

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USLE, ILLINOIS 60632-4351

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MEMORANDUM T0:

B. L. Jorgensen, Chi f Decommissicning Bra h 9

FROM C. F. Frazi

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Materials L'censi g Branc l

SUBJECT:

LOCKHEED MARTIN TACTICAL DEFENSE SYSTEMS (LMTDS)

REQUEST TO DECOMMISSION A RADI0 ACTIVE STORAGE ROOM A13 l

LOCATED AT 2751 SHEPARD ROAD, ST. PAUL, MINNES0TA l

LMTDS recuested that the NRC " split" their termination request into two parts.

l They neeced more time to collect information regarding the use of radioactive materials at " older" facilities. However, they needed " quick" approval to release storage room A13 located at 2751 Shepard Road, St. Paul, Minnesota i

because workers were remodeling the building and needed to gain access to that restricted area. A copy of the LMTDS' request is attached (see letters dated i

29 May 1997 and 10 June 1997). The NRC requested additional information regarding the radioactive materials storage room.

LMTDS appears to have responded to the NRC's request for additional information regarding information as follows:

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1.

Past inspection reports a] pear to indicate that radioactive materials were used in Room A13.

LiTDS denies that radioactive materials were used in Room A13.

2.

Past inspection reports stated that some irradiated components had been dissolved in acid and disposed of into the sewer.

LMTDS claims that there was no sewer in Room A13.

3.

Past -ins)ection reports state that there may have been some tracer work done wit 1 carbon 14 in the radioactive materials storage Room A13.

l LMTDS claims that no carbon 14 was used in storage Room A13 or in any of the other rooms at the 2751 Shepard Road, St. Paul, Minnesota address.

4.

NRC requested more detail on the close-out survey diagrams such as company name, building / plant, room number, etc.

LMTDS has added additional information to the diagram of Room A13.

NRC requested that a sufficient number of wipe tests be performed to ensure that the there is no radioactive contamination on the floor.

LMTDS appears to have clarified their close-out survey data of Room A13 rather than performing more wipe tests.

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1 B. Jorgensen JUN 2 41997 5.

NRC requested additional information regarding surface scanning for fixed contamination in Room A13.

LHTDS has clarified their close out survey data of Room A13 in Item 5 to indicate that a scoping survey was performed.

6.

NRC requested that the wipe test results be clarified because it appears that the results were in counts 3er minute (cpm) rather than disintegrations per minute (dpm).

LMTDS 1as corrected their wipe test results and they are reported in dpm.

LMTDS' impression is that the Room A13 is suitable for release.

Action Required:

Please review this request and provide guidance if additional information is needed.

Please notify the licensing branch as soon as possible of the results of your review. A contractor is remodeling the facility wishes to gain access to the Room A13, before they leave the site.

Bill Reichhold has the license file.

Attachment:

As stated CONTACT:

Bill Reichhold Extension 9839 l

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, locOscEd 'Mutin Tactical Defense systeins P.O. Box 64525 st. Paul. MN 55164 0525 L0CKNEEDMARTIN May 29,1997 Mr. Bill Reichhold

. Mr. Mike McCann US Nuclear Regulatory Commission Region 3.

801 Warrenville Road Lisle, Illinois 60532-4351 MAIL CONTROL NO: 302239 License No: 22-07742-01

Dear Mr. Reichhold and Mr. McCann:

As we discussed yesterday, May 28,1997, regarding the Lockheed-Martin decommissioning / license termination request, we have reached the end of the time period for the above control number. I would like to request that the control number be voided out and reissued to allow us time to provide the additional information the NRC has requested on this licensee.

. Please reissue the control number with the extended time period and I would like to split the license termination project into two issues: (1) the original request for closure of the license at the Shepard Road Facility and the Eagan Facility and (2) historical infonnation on past sites occupied by this company or its predecessors and license termination information.-

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The Shepard Road Facility is occupied by a new owner and we would like to release the former radioactive materials storage room to their use. Under separate cover I will clarify the issues brought up by the Decommissioning Committee on that facility only.

The requests for historical information on isotope useage in other locations occupied by this licensee or its contractors in the past will be addressed in a separate document. We have no

- history before January 1966 or former personnel who preceed that date so this information will be difficult to obtain and may not be available, but we will try our best to answer your ques'. ions or survey areas if they still exist.

RECEIVED JUN O 21997 REGION III gijn g3 f.AfyY %HP

Nuclear Regulatory Commission Page 2 In any event it is'our request that the historical research not hinder or delay the current hcense termination request, or at the very least, the release of the Shepard Road storage room to the j

public. You may respond to either myself or Lori Birkholz. Thank you for your assistance.

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.. Sincerely, d twit

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Anne T. Harri, CHMM Health Physicist (612)704-7471 fax (612)704-517I s<

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LoriJ. Birkholz, CIH l

Sr. Industrial Hygienist and RSO Lockheed-Martin Tactical Defense Systems (612)456-4837 fax (612)456-4836 l'

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-JUN 0 31997 i

' Lori J. Birkholz. CIH'

' Senior-Industrial Hygienist and Radiation. Safety Officer i

i Lockheed !!artin Tactical' Defense System P.O. Box 64525 MS SIA12 St. Paul,.MN 55164-0525

Dear Ms. Birkholz:

This refers to your request to terminate your NRC license and our request for additional information on May 12. 1997.

During a telephone conversation with Ms. ' Ann Harri on May 28, 1997, we discussed voiding your request at this time, with the understanding that you can resubmit your request. We will void your request without prejudice to resubmission.

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If you resubmit the stime request within one year of the date of this letter, t

we will reactivate our review. -Information submitted in response to this

-letter should refer to VOIDED CONTROL NUMBER 302239.

Sincerely, Original Signed By i

W. P. Reichhold Nuclear Materials Licensing Branch 1

License No.-22-07742-01 Docket No. 030-05003 DOCUMENT NAME: M:\\03005003.AI7 10 possive a sepy of this desument,indsats in the hoc *C"= Copy without enclosures T = Copy with enclosures T = No copy OFFICE - DNMS/ Rill @

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NAME-WRElCHHOLD: jaw DATE 06/p/97 OFFICIAL RECORD COPY J

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t UNITED STATES NUCLILut IEGULATORY COMMISSION REGION 3 801 WARRENVILLE ROAD i

LISLE, ILLINOIS 60532-4351 PHONE CONVERSATION RECORD 12 May 1997 Lori Birkholz-

- Senior Industrial Hygienist and RSO Lockheed Martin Tactical Defense System St. Paul, Minnesota _

Dear Ms. Birkholz,

- After a review oflockheed's file and the termination request, it appears that there were additional areas were radioactive materials were used and stored. The following additional infonnation is needed to complete the review of your termination request.

Please identify all former areas where radioactive material was used and provide assulance that these areas were appropriately surveyed. Ifyou determine that other areas exist were unsealed radioactive materials were used, destructive testing, or disposal ofirradiated components occurred, the diagrams and surveys need to be expanded to account for all release pathways. e.g., drains, sewers. holdup tanks, and ventilation systems.

-'2.

Our files do not contain records of the close-out surveys for the following locations.

A.

475 North Prior Ave.. St. Paul. Minnesota.

I D.

Mu M.rth P.i.i Aw...Q Paul. Miinw-.o...

C.

1301 Industrial Boulevard, Minneapolis, Minnesota f

D.

1902 West Minnelmha As e. St. Paul. hiinnewia.

I Please submit the records cour close-out survevs for the ahiwe..um6nne

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A.

Past inspection reports identified Isotope Laboratory, Phu111, Room A13 and Room A-147 (these areas were identified in during a February 15,1965, inspection) as rooms / areas were radioactive materials were used. Our records are not clear, but this may be at the 2750 West 7th Blvd.,St. Paul, Minnesota facility. Please submit close-out surveys for each of these rooms / areas.

B.

The license identified Plant #2,1902 West Miimehaha Ave.,2224, St. Paul, Minnesota as a location of use. Please submit a close-out survey for at this location. OR Provide infonnation that licensed materials were never received / stored / or used at this location.

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4.

Past inspection reports (July 25,1963) stated that some irradiated components had been dissolved in acid and disposed ofinto the sewer. The current close-out survey you submitted indicated that there was no sewer i-thh room that was surveyed.

Therefore, it would appear that room (s) identified in the current close-out survey may not have been the same as room (s) where the irradiated components were dissolved in acid and disposed ofinto a sewer. There may be another use/ storage / disposal location where these activities were conducted. Please submit records of the close-out survey of the room (s) where the irradiated components had been dissolved in acid and disposed ofinto the sewer.

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5.

The past inspection reports state that there may have been some tracer work done with carbon-14. Please determine if carbon-14 (and possibly other unsealed hyproduct materials) were used in the radioactive materials storage room. or other k> cations.

6 Please specify if you have contacted past employees to detennine uhere and what radioactive materials were used.

, cyAdfejiO 7.

Mense pravide more detail on the close-out survey diagn.ms. such as the company name (Lockheed Martin), the building / plant, room number, and the adjoining areas.

4 The diagram showing the areas where wipe tests thr removable contamination were

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taken thr the radioactive materials storage room appear to he were grouped inro two

.f tecific areas. leaving the majority of the 1100, noi s.mrpied. Please per form a suflicient number of wipe tests to ensure there is no contan lation on the ficor. Direct d

integrated measure-nts ihr fixed contamination shonld ai a he e rfhnnM f n

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' supplement that data on removable contandnation. Please include integrated measurements with the wipe test results. Please document future surveys of the floor in a grid pattern (1x1 meter). Also, it appears that the diagram of the radioactive materials storage room opens into another area. Please specify if this was another area where radioactive materials were used and submit the close-out data for this area.

i Mi ' 8.

It is not clear if surface scanning (scoping survey, see NUREG/CR-5849) for fixed contamination in the radioactive materials storage room was performed. A large area J

l thin window detector is generally used when scanning for surface contamination.

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Please submit the record ofyour surface scan for fixed contamination in the radioactive materials storage room.

9.

Please clarify the information on the table which reports the wipe test results.

y Specifically, the attached table reports the smear results in dpm/100 cm, however, it 2

appears that the results should have been in cpm instead ofdpm. This conclusion is M,((g#

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based'on the observation that the counting data reported in the raw analysis sheets is fc the same data as reported in the attached data table. Since liquid scintillation counters l

are not 100 % etTicient, please correct the counting data for efficiency and other counting errors.

Please submit a "hard copy" of your response to the above within 15 days and refer to mail L

control 302239. Please contact me at 630 829 9839 nr Mike McCann at 630-829-9887 if t

you have any questions.

Sincerely, u

Bill Reichhold l

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LacLheed Martin Tactical Defence Systems P.O. Box 64525 St. Paul, MN55164-0525 LOCKHEED MARTIN June 10,1997 y

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Mr. William Reichhold United States Nuclear Regulatory Commission Region III h

801 Warrenville Road

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Lisle, Illinois 60532-4351 Re:' License Amendment for #22-07742-01

Dear Mr. Reichhold:

This letter is a request for a license ainendment for Byproduct Material License #22-07742-01.

Enclosed is the amendment fee of $660.00.

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The purpose of the amendment is to release the former Radioactive Storage Room A13 at 2751 Shepard Road to the public. Attached please find the close out survey documentation.

.We would appreciate a timely response to this request so that the new owners of the building, located at 2751 Shepard Road, can have access to this area to complete renovation.

If you have any questions regarding this request please contact myself at 612-704-7471 or Lori Birkholz at 612-456-4837.

Sincerely, '

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Anne T. Harri, CHMM Health Physicist i

ori Birkholz, CIH -

Sr. Industrial Hygienist, RSO RECEIVED

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Enclosures JUN 131997 l

REGION III o

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&PY VOIDED MAIL CONTROL NO. 3022398 LOCKIIEED-MARTIN / LORAL DEFENSE SYSTEMS LICENSE No. 22-07742-01 PAGEI APPLICATION FOR LECOMMISSIONING AND TEIG1INATION OF A LICENSED FACILITY lockheed-Martin / Loral Defense Systems requests the decommissioning of a former radioactive materials storage room and the termination of that licensed facility. De storage room is in a building which has been sold to another party with the release of this room pending the approval by the Nuclear Regulatory Commission (NRC) of the decommissioning, in support of die decommissioning request the following information is provided in the order presented on the Decommissioning and Tennination letter. Supplemental infonnation regarding Otis storage room is included in response to the request dated May 12.1997. *Ihe licensee requests decommissioning and release to the public of this radioactive materials storage room only in this application.

1.0 LIST OF RADIOLOGICAL ISOTOPES 1.1 A list of the two licensed items stored in this room appears at the back of this application as Attachment A. The licensed material stored in the room included a Cs-137 calibration source manufactured by 3M Company of St. Paul, MN received on 12/7/66 at 27.2 MCI activity level. The model number of this calibration source was 6D6C. %is source as disposed of by Chem-Nuclear of Barnwell. SC on 12/11/96. %e disposal manifest form appears at the back of this application as Attachment B.

1.2 The second group oflicensed materials stored in the room were electronic components which had been neutron activated and were mildly rudioactive including atomic numbers 3-83 for isotopes. %ese electronic components were disposed of by Chem-Nuclear of Barnwcll. SC on 12/11/96 (see Attachment B).

This process of irradiating electronic components by nuclear bombardment was begun in January of 1971. Electronic computer parts were shipped to military sites. for example White Sands Missile Range in New Mexico, and the boxes were subjected to neutron bombardment in order to test nuclear ' hardness

• of the electronic components which were to be used in military settings. A receipt of the last shipment so activated appears at the back of this report as Attachment C. The unopened boxes were returned to the site (which over time has been variously called Univac/Speny-Univac/ Sperry/ Unisys/ Paramax/

Unisys/ Loral Defense Systems) and the mildly radioactive parts were tested electronically. On shipping from New Mexico the components were so low in activity dicy were shipped as exempt material. Upon disposal of the last box activated around March 5.1993 and shipped for disposal 12/11/96. a survey of the components showed no measurable activity remaining in the components. Previous boxes of components were disposed of prior to 1996.

2.0 PIIYSICAL FORM OF ISOTOPES All of the isotopes stored in this room were either as solids, as the activated electronic components were, or as sealed calibration sources. As indicated on die disposal sheet in Attachment B there was some unlicensed material in the fann of check sources for measuring difckness of computer boards. etc. One calibration set (not licensed material) was sealed liquid vials. This was the only liquid in the room. All other materials were sealed sources or solid components.

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i VOIDED MAIL CONTROL NO. 3022398 LOCKILEED-MARTIN / LORAL DEFENSE SYSTEMS

- LICENSE NO. 22-07712-01 PAGE 2 3.0 RADIOLOGICAL SPILL INFORMATION Due to the nature of the radiological isotopes' form as either sealed sources or solid components, there was never a spill in 011s room.

4.0 LEAK TEST INFORMATION

'nie sealed source in this room (Cs-137 calibration unit Model GD6C) was routinely leak tested as required by the license. Leak test records from the receipt of the unit to its disposal indicate no leakage ofinaterial at any time. Disposal of die source took place on

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12/11/96 and the unit is listed ta the shipping manifest in Attachment B (fourth entry in column 2 of the continuation sheet).

5.0 FINAL SURVEY INFORMATION -

5.1 A scoping survey for fixed contamination was performed on December 20,1996 using an Eberline ESP-1 Geiger-Mueller counter with an HP-270 hand probe. Specific

- Information about this instrument is contained in section 6.0. 'Ihe results of this scoping survey are tabulated below. A diagram showing where measurements were taken in the room is included in Attachment D. Background readings and survey readings were done with the window of the probe open.

Location surveyed microR/ hour Average background 27.5 Center of room, floor level A

< bkg Wall shelving, right side, surface B

< bkg Wall shelving, left side, surface C

< bkg NW corner of room, floor level D

< bkg SW corner of room, floor level E

< bkg SE corner of room, floor level F

< bkg 5.2 An area survey for radiation was taken on January 15.1997. ' Die radioactive materials storage room is the small room shown in the diagram in Attachment D. ' Die storage room opens out into a small laboratory. Radioactive materials were never used or l

stored in this laboratory and were kept only in the small storage room. ' Die storage room contains no drains or openings in the floor or walls. 'There is one air vent in the ceiling which was included in the wipe test regime. Area radiation surveys were done in the storage room using the ESP-1

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l VOIDED MAIL CONTROL NO. 3022398

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LOCKllEED-MARTIN / LORAL DEFENSE SYSTEMS l

- LICENSE NO. 22-07712-01 PAGE3 l

As the storage room is only 1.2 meters wide by 2.4 meters long, it was not physically possible to j

record exposure levels at 1 meter from all surfaces. A reading was taken at 1 meter from the floor and 1 meter from the West wall approximately in the middle of the room (0.6 meters to North and l

South). 'nlis reading was at background levels. The 2-4th readings were taken in a similar manner and results are tabulated below, A drawing of the room with the locations marked is at the back of this application as Attachment D.

l Area Radiological Survey Results LOCA'I1ON MEASUREMENTin microR/hr l

Background, probe cover closed midrange of 11.7*

Background, probe cover open midrange of 11.5 l-1 - 1 meter from floor,3 walls, West 15.0 2 ~ l meter from floor,3 walls, East 8.5 3 - 1 meter from ceiling, walls, West 13 l

4 - 1 meter from ceiling, walls, East 11.0

• Die ESP-1 is a very sensitive instrument and background readings were taken over a 3 minute time period, with the midrange reading reported as the background level.

5.3 Wipe testing for removable contamination was done on January 15,1997 on surfaces and permanent flxtures in the room. In addition, a few pieces of remaining shielding and bookcases were also wipe tested to check them prior to their disposal or recycling. Wipes were taken with Whatman # 1 filter papers, dry, and counted on both liquid scintillation counter (LSC) and auto-gamma counter. Information about the instruments used in counting the wipes is given in section G.O. A diagram showing the location of where the wipes were taken is found in Attachment E at the back. For case of reference the actual room surfaces have been highlighted to distinguish them from Ole l

articles and instruments.

. A summary of the wipe locations and their results is tabulated below. Die counting i

efficiency recorded for the scintillation counter by the most recent Beckman service call was 62% for the H-3 window and 97.2% for Ole C-14 window (see attachment EI). Diese two columns are corrected for efficiencies and reported in disintegrations per minute l

(dpm) The third column, the wide open channel, is reported in counts per minute (cpm).

Actual instrument printouts are located at the back in Attachment F.

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VOIDED h1 AIL CONTitOL NO. 3022398 LOCKllEED41ARTIN/LOllAL DEFENSE SYSTEMS LICENSE NO. 22-07742-01 PAGE4 l

WIPE TEST RESULTS LIQUID SCINTILLATION COUNTER Location Location Description Results i

Number l

H-3 C-14 open 2

(dpm/100 cm ) (cpm) bkg 38.7 16.5 57.0 1

exterior of safe (top and handle) 35.5 5.2 43.0 2

lead shield and interior of safe 48.4 28.9 74.0 3

exterior of composite box 37.I 14.4 50.0 4

intedor of composite box 58.0 Gl.8 110.0 5

exterior oflead sheeting box 30.6 11.3 43.0 6

interior oflead sheeting box (cardboard lining) 22.6 16.5 42.0 7

ring stand surfaces 33.9 16.5 49.0 8

Nuclear-Chicago counting unit exterior 182.2 12.4 32.0 9

N/C counting tray and dish 46.8 11.3 51.0 10 exterior of Technical Assoc. lead shield.

40.3 11.3 46.0 handles 11 intedor of TA counting well 46.8 11.3 45.0 12 Goor underneath lead storage boxes 33.9 11.3 46.0 13 Door. rooni center 45.2 12.4 54.0 14 floor in area of counting devices 45.2 24.7 60.0 15 interior of orange tote # 1 67.7 14.4 71.0 16 exterior of demonstration ball & pipe 43.5 14.4 55.0 17 2nd shelf from bottom, right bookcase 30.6 20.6 53.0 18 doorknobs. exterior & interior of door to room 35.5 8.2 43.0 19 Sth shelf from floor, right bookcase 29.0 16.5 33.0 20 3rd shelf from floor, left bookcase 30.6 13.4 45.0 21 Sth shelf from Door, left bookcase 32.2 14.4 44.0 l

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VOIDED MAIL CONTROL NO. 3022398 I

LOCKIIEED. MARTIN / LORAL DEFENSE SYSTEMS LICENSE NO. 22-07742-01 PAGES Imcation Location Description Results Number H-3 C-14 open 2

(dpm/100 cm )(cpm) 22 light switch, plate and toggle 45.2 21.6 66.0 23 South wall, ~ l meter off floor (above boxes) 29.0 11.3 41.0 24 East wall, ~ l meter off floor, center 32.2 10.3 41.0 25 air return vent, gdd surfaces 32.2 9.3 41.0 26 surface beneath IEC location 27.4 15.4 41.0 27 interior orange tote #2 43.5 11.3 56.0 28 N/C absorber box exterior 43.5 9.3 45.0 29

'I\\ vin City Testing box # 1 exterior 30.6 IE 'l 52.0 30 TCP box #2 exterior 27.4 8.2 33.0 31 TCP box #3 extedor 32.2 11.3 47.0 Sample #2 recount 24.2 13.4 38.0 Sample #4 recount 46.8 57.7 113.0

'Ihe wipes were recounted on a gamma counter with Channel A set as a wide open couqting window and Channel B set for low energy gammas. With a Cs-137 standard the counting efTiciency for the instrument was 34% at the last service call.

WIPE TEST RESULTS GAMMA COUNTER Location Location Description Results Number dpm/100 cm

• 2 ChanA ChanB bkg 420 68 1

exterior of safe (top and handle) 432 88 l

2 lead shield and interior of safe 450 62 l

3 exterior of composite box 435 91 l

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VOIDED MAIL CONTROL NO. 3022398 LOCKilEED-MARTIN / LORAL DEFENSE SYSTEMS LICENSE No. 22-07742-01 PAGE6 Location Location Description Results Number dpm/100 cm

• 2 1

ChanA ChanB 4

interior of composite box 418 62 5

exterior oflead sheeting box 353 44 6

interior oflead sheeting box (cardboard lining) 479 44 7

ring stand surfaces 459 59 I

8 Nuclear-Chicago counting unit exterior 476 68 9

N/C counting tray and dish 418 62 10 exterior of Technical Assoc. lead shield, handles 515 59 11 interior of TA counting well 462 68 12 floor underneath lead storage boxes 459 76 13 floor, room center 494 76 14 floor in area of counting devices 412 44 15 interior of orange tote #1 468 62 l-16 exterior of demonstration ball & pipe 441 42 17 2nd shelf from bottom, right bookcase 503 103 i

18 doorknobs, exterior & interior of door to room 441 47 19 Sth shelf from floor, right bookcase 444 82 20 3rd shelf from floor, left bookcase 447 100 21 5th shelf from floor, left bookcase 491 85 22 light switch, plate and toggle 435 71 23 South wall, ~ l meter off floor (above boxes) 456 79 24 East wall, ~ l meter off floor, center 424 76 25 air return vent, grid surfaces 474 91 i

l 26 surface beneath LSC location 476 85 i

27 interior orange tote #2 485 82 28 N/C absorber box exterior 500 85 I

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VOIDED MAIL CONTROL NO. 3022398 LOCKIIEED-MARTIN / LORAL DEFENSE SYSTEMS LICENSE NO. 22-07742-01 1

PAGE 7 1

Location Location Description Results Number dpm/100 cm.

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ChanA ChanB 29 Twin City Testing box #1 exterior 459 82 30

'IUr box #2 exterior 394 65 31

'lcr box #3 exterior 459 85 5.4

'Ihe results of the wipe tests and the fixed contamination surveys given above show that the room and pennanent fixtures have no removable or fixed contamination on them. Die only sample that wasjust twice background was taken inside a composite shielding box (approximately 1 foot square) which will be decontaminated and disposed of or recycled. Die count appeared only on the C-14 channel of the LSC indicating it was a beta emitter, possibly C-14, and may not be statistically significant, 6.0 SURVEY AND COUNTING INSTRUMENTATION 6.1 Area scoping survey and radiation survey measurements were made with an Eberline Model ESP-1 Geiger Mueller counter, serial number 641 with an 11P-270 hand probe. Gamma sensitivity (MDA) is approximately 1200 cpm /mR/hr (Cs-137). Counting efficiency in three ranges from low to high is 94%,100%,103% respectively. 'Ihe model HP-270 removable cover hand probe sensitivity is 1200 counts / min per mR/hr. 'Ihe instrument was calibrated by Eberline Instrument Co. on January 26,1996 by Jeffery D.

McClelland. Applicant's license allows for annual calibration.

6.2 Wipe test measurements were read by scintillation and auto-gamma counting on Instruments at the IIcalth Physics offices of the University of Minnesota. Minneapolis.

MN. The liquid scintillation counter is a Beckman Model LS60001C and kept in calibration by Beckman'and Associates. Die gamma counter is a Beckman Gamma 5500, Serial

1. 8040621R. This instrument is also kept in calibration by contract wiO1 Beckman and Associates.

7.0 MAPS AND DRAWINGS A drawing of the room follows the next page showing measurements and features of the storage room. Radiation level readings and wipe test locations are on drawings at the end of the appilcation in Attachments D and E correlating to the tables above. There are no drains or pipes associated with Olis room but diere is an air diffuser and an air return in l

the ceiling. The air return was wiped for removable contamination.

l' 8.0 DECONTAMINATION Diere was no decontamination necessary for this room or permanent fixtures.

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\\ VOIDED MAIL CONTROL NO. 3022398 LOCIGIEED-MARTIN / LORAL DEFENSE SYSTEMS LICENSE NO. 22-07742-01

. PAGE 8 9.0 RELEASE CRITERIA No radioactive cleanup materials were released as a result of decontamination efforts.

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'10.0 CONTAMINATION TO BE LEFT l

There will be no contamination left in place.

11.0 RADIOACTIVE WASTE No radioactive waste was generated as a result of a remedial effort.

APPLICATION PREPARATION

'lhis Application for Decommissioning and Termination of a Licensed Facility was prepared for Loral Defense Systems by Anne T. Harri. CHMM. working in conjunction with Lori J. Birkholz CIH. Sr. Industrial Hygienist of Loral Defense Systems and Mark Wilson, the Environmental Manager of Loral Defense Systems. 'lhe generous assistance of the Health Physicist of the University of Minnesota Mr. Jerry W. Stalger, is also acknowledged. Ms. Harri is a Health Physicist with fifteen years of experience in health i

physics and hazardous materials management. Her education is in chemistry and health physics training from ORAU (Oak Ridge Associated Universities) at Oak Ridge. 'IN and radiological emergency response training from FEMA at the Nevada Test Site. Mercury.

- NV. She has been the radiatJon safety ofilcer of a large university and provided health physics consulting for 15 years. She has been a plenary member of the Health Physics Society since 1983 and was president of the North Central Chapter of the HPS in 1992-3.

She became a Certified Hazardous Materials Manager in 1988. License No.1687.

. Ihis Application is respectfully resubmitted by:

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Anne T. Harri. DHMM Consulting Health Physicist 938 Lombard Avenue St. Paul, MN 55105-3253 (612)227-2877 (612)704-7471

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vlori J. Birkholz. CIH Sr. Industrial !!ygienist and Radiation Safety Officer Loral Defense Systems P O Box 64525. MS UIPl4 St. Paul, MN 55164-0525 (G12)456-4837 fax (6121456-4836 I

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i ATTACHMENT A

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NRC Licensed Materials inventory

• December 1996 N

Momic #'s 3-83 (2 Lic, material - neutron Numerous pieces

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boxes of electronic bombarded 2" x 2" and smaller I

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g* "Cue UNITEn STATES g NUCLEAR REGULATORY COMMISSION g. ( l S REGloN lli L[ 801 WARRENVILLE ROAD g UsLE. ILUNOls 00532-4351 June 27, 1997 MEMORANDUM TO: C. F. Frazier, Acting Chief, Materials Licensing Branch B. L. Jorgensen, Chief, Decommissioning Branch ' FROM:

SUBJECT:

REVIEW OF LICENSEE'S JUNE 10,1997 RESPONSE REGARDING DECOMMISSIONING SURVEY DEFICIENCIES (Mall CONTROL No. 302239) 24,1997, memorandum my staff has reviewed the licensee's As requested in MLB's June letter responding to MLB's June 3,1997 letter, with attached. telephone June 10,1997, conversation record. The telephone conversation records detailed additiona! information needed,in order to authorized the release of a former location where licensed radioactive material had been used and terminate their license. In light of the licensee's survey findings and stated previous operations, we do not believe that a confirmatory survey of this location to be necessary. Based on MLB's assessment, the licensee's revised survey data, Bill Reichhold's and Mike McCann's June 20,1997, telephone conversation with Ann Harri (Lockheed's HP consultant), and our review of the licensee's rev sed survey data, we conclude that the i 3 licensee has adequately address the radiological conditions and concerns in Room A13. Therefore, we concur with the licensee's position that the room may be released for unrestricted use. During Messrs. McCann's and Reichhold's telephone conversation, the issue regarding the use of an appropriate survey instrument and detector probe for scanning surveys was discussed. Ms. Harri was advised that the release of other locations may be delayed if a different system was not used for scanning surveys. Ms. Harriindicated that she was in the process of obtaining a different survey meter and detector. MLB should scr,een any future request for release of locations of use to determine if the licensee used appropriate scanning survey instrumentation. Should you have any questions regarding the above, please do not hesitate to contact Mike McCann (9856) or me. License No. 22-07742-01 Docket No. 030-05003 cc: B. Reichhold, Ritt h00 dbV0Y Yf}}