ML20217D919

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Registry of Radioactive Sealed Sources & Devices,Safety Evaluation of Sealed Source for Model PL-AmBe. Certificate:NR-8099-S-801-S
ML20217D919
Person / Time
Issue date: 04/17/1998
From:
NRC
To:
Shared Package
ML20217D864 List:
References
SSD, NUDOCS 9804270137
Download: ML20217D919 (7)
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Text

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REGISTRY OF RADIOACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF SEALED SOURCE NO,: NR-8099-S-801-S DATE:

APR 17 jgggi PAGE 1 OF 4 SOURCE TYPE:

Neutron Source MODEL:

PL-AmBe i

MANUFACTURER / DISTRIBUTOR:

Parkwell Laboratories, Inc.

429 North High Street Croton, OH 43013 ISOTOPE:

MAXIMUM ACTIVITY:

Americium-241 10 curies (370 GBq)

LEAK TEST FREOUENCY:

6 Months PRINCIPAL USE:

(H) General Neutron Source Applications CUSTOM SOURCE:

YES X

NO 9804270137 980417 PDR RC SSD PDR t

REGISTRY OF RADIOACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF SEALED SOURCE NO.-

NR-8099-S-801-S DATE:

APR 17 )gg, PAGE 2 OF 4 SOURCE TYPE:

Neutron Source DESCRIPTION:

Americium oxide powder mixed with beryllium powder is contained within two concentric stainless steel capsules with each capsule sealed by continuous welds.

Minimum wall thickness is 0.030 inch (0.76 mm).

The outer capsule contains a 1/4-20 NC threaded hole in one end.

The dimensions of the source vary with the amount of contained americium-241 from 1 inch (25. 4 mm) in diameter by 1.32 inch (33. 5 mm) in height, for a 1.0 curie (37 GBq) source, to 1.5 inches (38.1 mm) in diameter by 3.65 inches (92.7 mm) in i

height, for a 10.0 curie (370 GBq) source.

j l

LABELING:

Each source is stamped with 0.125 inch (3.2 mm) letters on the I

end with the model number:

"PL-AmBe- (a number) ".

DIAGRAM:

l l

See attachment 1.

1 CONDITIONS OF NORMAL USE:

The sources were designed for general use, one of which was oil well logging.

However, the sources are not currently approved for use in well logging applications (reference November 1, 1991 letter from John Glenn, NRC).

The maximum recommended continuous use temperature is 300 C (572 F).

PROTOTYPE TESTING:

The manufacturer had prototype tested the source at 500 C (932 F) for a period of one week and pressure of 5000 psi (34. 5 MPa).

REGISTRY OF RADIOACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF SEALED SOUR.CE NO.-

NR-8099-S-801-S DATE:

PAGE 3 OF 4 gpg t 71S$8, SOURCE TYPE:

Neutron Source EXTERNAL RADIATION LEVELS:

The manufacturer reported the following radiation levels:

Neutron:

2.2 x 10' n/sec/ curie Gamma:

10 mR/hr/ curie at one meter (0.06 MeV) 0.1 mR/hr/ curie at one meter (4.45 MeV)

OUALITY ASSURANCE AND CONTROL:

The manufacturer stated that each source was:

1.

Inspected for weld defects.

2.

Pressure tested with 100 psi (689.5 kPa) helium followed by a bubble test in a liquid.

3.

Tested for external contamination with a maximum permissible level of 20 DPM.

4.

Stored for one week and again checked as in 3 for any increase in contamination.

LIMITATIONS AND/OR OTHER CONSIDERATIONS OF USE:

  • The source shall only be used by specific licensees of NRC or Agreement States.
  • The source shall be leak tested at intervals not to exceed 6 months using techniques capable of detecting 0.005 microcurie (185 Bq) of removable contamination.

Handling, storage, use, transfer, and disposal: To be determined by the licensing authority.

This registration sheet and the information contained within the references shall not be changed without the written consent of the NRC.

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REGISTRY OF RADIOACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF SEALED SOURCE PAGE 4 OF 4

)

NO.-

NR-8099-S-801-S DATE:

gpg ) 7 ggp SOURCE TYPE:

Neutron Source SAFETY ANALYSIS

SUMMARY

The PL-AmBe Neutron source was originally approved for licensing purposes by the Atomic Energy Commission (AEC) on May 27, 1966.

1 These devices are no longer manufactured and distributed by Parkwell Laboratories.

The company is out of business.

{

There is insufficient information on file for this source to have performed a complete safety evaluation.

Therefore, this

)

registration certificate has been transferred to inactive status without further review based on the original review and approval issued by the AEC.

REFERENCES:

The following supporting documents for the Model PL-AmBe Neutron Source are hereby incorporated by reference and are made a part of this registry document.

  • Parkwell Laboratories' letters dated March 28, 1966, and May 11, 1966, with enclosure thereto.

ISSUING AGENCY:

U.S. Nuclear Regulatory Commission i

J

REGISTRY OF RADIOACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF SEALED SOURCE NO.- NR-8099-S-801-S DATE:

APR _1 71993 -

ATTACHMENT 1 Am - Be Neutron Source i

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i/4 20 NC Thread Weld lBERRARiERE!

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AmO.B.

Curies A

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i 1.00 1.32 0.s8 0.77 ij 2

1.25 1.47 1.13 -

0.92 s %

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1.25 2.39 1.13 1.s4 y

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1.25 2.85 1.13 2.30 p

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10 i.50 3.65 1.as 3.10 is a

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,9 4

PAGEi NRC FORM SCT U. S. NUCLEAR REGULATORY COMMISSION REQUEST FOR A SEALED SOURCE OR DEVICE EVALUATION INSTRUCTIONS: Send this request AND a copy of all related letters /applicatens and drawings to: The Sealed Source Safety Section, ATTN: CNef.

OWFN Mail Stop 6 H3. Change the License Tracidng System milestone to 19 and assign to reviewer code I-5.

NOTE: Retain a copy of this request with the apphcation and back0round flies.

WEQUESTER PARKwu 4 A A m uc_.

li nu nm Riv nv n so n tFoCB REGION / LOCATION:

TELEPHONE NUMBER DATE TYPE OF ACTION REQUESTED (Check as Rppropriate)

APPUCAMr$NAME SOURCE REVIEW AMENDMENT OF REGISTRATION SHEET gg. g "["gBER )

MAIL CONTROL NUMBER (S)

DEVICE REVIEW A

faL IETTER/APPUCATION DATE UCENSE NUMBER (S)

CUSTOM REVIEW

/e 3 n /t 1l5'1

' */

!d fARDue// M/3, r/A:

U

/

0 FOR SSSS USE ONLY ret 1 EWER MODEL NUMBERS ((, _ j y if

. NUMBER ASSGNED g N

PL +mntL Ai>t n A - u =

/

DATE RECEIVED DATE ASSGNED DATE TO FEES I t l19 l99

//bk?

TYPE OF AC16DN (Indicate the number of each type) l COMMERCIAL DISTRIBUTION (FORMAL) l USE BY A SINGLE APPLICANT (CUSTOM)

SOURCE (9C)

DEVICE (9A)

SOURCE (90)

DEVICE (98)

NEW NEW NEW NEW

/

v AMENDMENT AMENDMENT AMENDMENT AMENDMENT d NO SAFETY EVALUATION REQUIRED J

LICENSING ACTION REQUIRED IF KNOWN YES NO FEES REQUIRED NO

_j OTHER (Spec #F)

TOTAL NUMBER OF NOTES g ygaddet.L/

REVIEW HOURS y

NUMBER OF DEFICIENCY LETTERS NUMBER OF DEFICIENCY CALLS FOR BILLING PURPOSES ONLY NEW REGISTRATION -

J MODUCT INACM -

NAME CHANGE ADDRESS CHANGE ADD TO BILLING REMOVE FROM BILLING FOR FEE USE ONLY TYPE OF FEE FEE CATEGORY

] 9A 9B 9C n 90

,.(

AMOUNT RECEIVED CHECK NUMBER MATANN UPDATED (u

d

- AS REQUIRED

,y@{W h&L 0

/ 5 5FD l MATSYS UPDATED DATE OF CHECK

(, '

o LOG 7

AS REQUIRED "Y

~f' f

ll l2-bf'] ]

~~

COMMENTS NRC PORM $67 (S.93)

N u

1 i

PAGE1 NRC FORM 567 U. S. NUCLEAR REGULATORY COMMISSION (o es)

REQUEST FOR A SEALED SOURCE OR

'l DEVICE EVALUATION I

INSTRUCTIONS: Send this request AND a copy of all related letters /appleahons and drawings to: The Sealed Sourre Safety Secten, ATTN: Cruef, OWFN Mail Stop 6 H3. Change the License Traciong System milestone to 19 and assign to reviewer code I-5.

NOTE: Retain a copy of this request with the application and back0round rdes.

LEQUESTER REGION / LOCATION:

9AR K(oed /

JAlo

'I n c..

li nii R m Riv R V HQ LFDCB i

VELEPHONE NUMBER DATE TYPE OF ACTION REQUESTED (Check as appropriate)

CPPUCANTS NAME SOURCE REVIEW AMENDMENT OF REGISTRATION SHEET MallCONTROL NUMBER (S).

DEVICE REVIEW NUMBER (S gg A

LETTER /APPUCATION DATE UCENSE NUMBER (S)

CUSTOM REVIEW

'[e 3 n/n/91

<ev ier

_O""' '

PAR &e t/.dA8, 7yx.

CfoWi ON 9'30 8 FOR SSSS USE ONLY lWUMBER ASSIGNED g L'EVIEWER MODEL NUMBERS jy PL-MY Am. A c Ana

/

S.

s DQTE RECENED DATE AS$1GNED i

DATE TO FEES n hs /9?

///#87 TYPE OF ACTION (Indicate the number of each type) l COMMERCIAL DISTRIBUTION (FORMAL) l USE BY A SINGLE APPLICANT (CUSTOM) l i

SOURCE (9C)

DEVICE (9A)

SOURCE (9D)

DEVICE (98)

NW NEW NEW NEW v AMENDMENT AMENDMENT AMENDMENT AMENDMENT

[ NO SAFETY EVALUATION REQUIRED j LICENSING ACTION REQUIRED IF KNOWN NO NO FEES REQUIRED

) OTHER (Specity)

TOTAL NUMBER OF NOTES REVIEW HOURS g_ gg NUMBER OF DEFICIENCY LETTERS NUMBER OF DEFICIENCY CALLS FOR BILLING PURPOSES ONLY NEW REGISMATlW d MODUCT INACME -

NAME CHANGE ADDRESS CHANGE ADD TO BILLING REMOVE FROM BILLING 1

FOR FEE USE ONLY TYPE OF FEE FEE CATEGORY

] 9A U BB BC U 9D QMOUNT RECEIVED CHECK NUMBER MATANN UPDATED

(

~

g,'

~ AS REQUIRED

'e AA LOG g

hd)-

/)/ 5 5 Fl.)

J MATSYS UPDATED j

D2TE OF CHECK fI AS REQUIRED

'* Y W'

  • * " " ' " " " y ['Lf }

COMMENTS t

NRC FORM 607 (8-93)

ORIGINATORS COPY J

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S

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6 t

1lb 3 5 u M U.S.KNUCLEAR REGULATORY. COMMISSION V.

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030-05868/9300.1(DRSS) (! b (h4 M N Report No.

Liconei.f 35 y..

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Docket No.~030-05868,(terminated) A g', m M i n!.

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Associated Licenses No.; n-11105-01':SNH-1347, y -

34 3

and SNH-909 (terminated) r y,,y facility: General Nuclear', Inc. ;andi e

Parkwell Laboratories, Inc.:

,'s 429 North Nigh Street. 9,

.4 Croton, Ohio %, (7 g

yy Inspection At:. Private residence of Mrs. Nancy Wells

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(a former General Nuclear and Parkwoll Laboratories facility) 429NorthHighStreet?

Croton,' OH 143013 inspection Conducted-Jan ary 2 r1993~

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Inspector:

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Wiedeman Date Senior Health Physicist N.'

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Approved By:'

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o 'n A. Grobe Y Datef F el facilities and Decommissioning Insocction Summary " 4 (' N

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'c Insocetion on January 21. 1993 (Recort No. 030-05868/93001(DRSS))

Areas Inspected: This was a'special closcout inspection which included a A

review of the licensee's former activities associated with the decontamination and remediation of their formerly used office, manufacturing, and laboratory

. 0 areas located at 429 North High Street, Croton, Ohio. This inspection was in i

response to an NRC project;in which an evaluation of approximately 17,000 retired licenses was conducted by an NRC contractor, Oak Ridge National m

Laboratories (ORNL),.On the basis of the information in the retired license files, sites having a potential for significant residual contamination in j

their former facilities were to be investigated further. Due to the lack of documentation in the General Nuclear, Inc. and Parkwell Laboratories, Inc.

retired license flie, the NRC contractor concluded that the former facilities 4.

used by these companies during the period of 1965-1980 could have significant amounts of residual contamination.

1 EtntLti: The NRC inspector did not identify any radiation icvels above A.

natural background within the facilities or surrounding environment. Based n;,

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2.crsons Contacted

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Nancy Wells, Resident and' owner'of property' 7'

  • Steven Ott, Esq., Attorney for Nancy. Wells t rt.,

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  • Contacted by telephone on January 21, 1993.-

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2.

Backcround

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AEC Licenses No. SNM-1347, SNM-909, 34-11105-01, and 34-13517-01 were issued to General Nuclear, Inc. and Parkwell Laboratories, Inc.,

respectively, for development, manufacturing, and distribution of scaled gb sources in their former manufacturing facility at 429 North High Street; M',?

Croton, Ohio, during the period 1965-1979.' 'On October 17, 1968, Licenae D>

No. 34-11105-01 was amended to include irradiation of gem stones with

$;4 sealed sources of, americium-24.1,.y,.

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g The work was conducted in' an 80'OTf t' single' story Butler building at the E

High Street address..The former facility' consisted of a business

$V office machine shop, assembly and test areas, shower, restroom, and L.,6 small utility room. License No. 34-ll105-01;was issued on June 24, K.

1965, and was terminated on february 3, 1970.( In two letters to the d

Commission dated February 24, 1967, and March 1, 1967, the licensee p

informed the Commission that all assets and materials possessed by i

Parkwell Laboratories have been assigned to General Nuclear, Inc. (see Jf Attachment A).-

In another letter to the Commission dated December 10, h

1969, the licensee stated.that'all radioactive materials were if transferred to their Texas License No. 4-734 and the only material that J

remained was contaminated hoods and glove boxes which was possessed g?h.

under License No. 34-13517-01:(see Attachment B).

Subsequent telephone e

conversations were made between NRC Region-Ill' staff and Mr. Charles tg Wells (now deceased) in.the early 1980's prior to the termination of

  • Q License No. 34-13517-01, in which Mr., Wells indicated that these h '.

contaminated items were buried in' two burials in accordance with 10 CFR 20.304 sometime in early 1980. 'These burials consisted of less 7

than 20.0 microcuries of americium-241 as contaminated equipment, metal, h

and concrete (see Attachment C). During this inspection, Mrs. Nancy b,

Wells (wife of the deceased), informed the inspector that she was not f,

aware of any burials of radioactive material on the property. Assuming g%

that the contaminated items were actually buried, the NRC staff perfcrmed a hypothetical dose assessment and pathway analysis using the i

computer modeling program RESRAD version 4.34). The conclusion to this jf hypothetical assessment was. based (upon,the following assumptions:

gg a.A.,

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(1)

Buried material consisted of 20 microcuries of americium-241 in the form of contaminated equipment, metal, and concrete; r.a f

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y fr W

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Total' volume ofl waste wasicontainedlin;twoL 55-gallon. drums (2) amounting to 15:ft':(7.5 cubic' feet /55 " gallon / drum);'and; i

@W

. All waste was ; buried atEa" minimum'ofesix f eet[If: <.

Q'

in Mig.r myo% ' s u.

(3) qMO The NRC staff concluded thatiif this hyp@othetical; burial:.

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actually

?-

occurred, the long-term ef fect to members !of! the public and..

^

K environmental would be negligible.vihereforehif the ' burial of. this' d

quantity of, radioactive mater!aliactuallyloccurred it would not posega o

g 9:

hazard.

' ': e ' M :ad M $ m yA W.C #4Y.M O q).<'

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e,3 The address changes and transfer'of radisctive" materials.to the -

220Qfp phyQ: 7

2, above-referenced licenses were subsequently made; however,' a' review of-;'

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f@NJ.

the expired license ~ files did not show'anysdocumentation of, a closcout:

however,shewasnottablemtollocatelanffdocum(entationthat'wouldMrs Well

'f survey.

s; indicate that a radiologic 1urvey wasiconducted at'the High Street s

I address prior to the termination:of thetlicensesu JA review of the h

Region Ill files show that:on August 6-9,'.11979,' an, inspection and i

close-out survey was conducted-(Report No!'79-02). The inspection y/(

report issued on October 23,01979, shows 'that at the time of this

}%

inspection, there was no' residual-contamination, except for waste f:

waiting to be shipped to'an' authorized recipient (see Attachment D).

.L Information regarding past activities and locations of. the former 1

h, equipment was provided to,the NRC;lnspector,by.Mrs.; Nancy Wells.

'W D.. ' :6%WMW,$W,. + '

K@G During the license file review' by"0RNL,ltheicenclusion that extensive contamination may be present atethe formerly used facility was, based h

upon the fact that the licensee worked with.hazardouscloose material and the flies did not indicate that the AEC/NRCJconducted a final survey of i

E the facilities prior. to'the license termination. However, as stated '

N, above, the NRC conducted:a closc-out; survey % W A m

'~y on' August 6-of the'facilit 4,

9, 1979.

3 W FWW@ MtPqkM @ 'yf,f kl NIO

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Facility Status' 6

The current resident of 429 High Street,' Croto'n,l0hio, is Mrs. Nancy b'4 Wells and she has. lived in the facility sinteithe early 1980's with her c

now deceased husband,-who was the.former owner:of Parkwell Laboratories, b

Inc.

Mr. Wells passed awayfin November.1988. ' The inspector determined i

from review of the drawings:and. specifications found in the terminated

$(.

license file that extensive remodelfng has:taken during the past 13 years.N AM%f@y;)-l place in the facili 2m

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Indeoendent Measurements h

The inspector conducted radiolbgic survey's in and around the areas where d

manufacturing and testing of-radioactive sources were conducted.

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where former licensed activities were conducted showed no radiation

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source.showed l',600 cpm and' ail <pCl. cesium-137. check source showed

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11,000 cpm.!,'-'. Random measurements (of' the floors, walls, and ceilings SgW 1evels above natural' background.1 'Smeardests' for removable Mk contamination did not'show any,1cor) alpha,l beta, or gamma radiation.

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Parkwel.1 Laboratories, Inc. did not show M

any radiation levels: above natural background. Mrs. Wells was also

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Dear Sir:

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HDORAEDUM FOR:

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t. James H.--Snissak,' Director,iDivision" of Fual. Facilities
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LABORATORIES 44 IEC..i LICENS E NO.' SEH-1347, h{/ '

y CLOSE-0UT SURVEY l(AITS jNO.EH3-0211-Y3) Q ;

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[k A close-out survey was. conductedIatithe licenssa's fac111 ties on Auguat 6 lr through 9,1979NYisuallinspectiochdirect; radiation level==aurements, y$F evaluation of wipesi and ; review.'of: records iconfirmed, that all'anaterial J

$;I(,, previously. possessed ' by th"e;11censee,'#{axcept.wasta,4 has been ' dispo l

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of in an' authorized manner;and' that?there was no' evidence of residua 1

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cour=Mnation in exc'es,s :cf limitalin Procedure;No.j83895B,9Attachmenti1, 7

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@h'$p' v4o The licensee ' stated in;aiphonejcontact on; October s15g 1979,j tbat all, L

radioactive waste' wouldf be:~ shipped ? to.the Richland 4 Washington,Turial' site operated by. NuclearjZngineeri$g"CoGi;;lInc.Y an'dMhat copies (of' the J. '

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MO' shipping papers,would ba;maM edito! theilucle'ar!1sgulatory Co==f asion:

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R)Y Based on the abova 'and on'the' guidance ofiProcedure,83890B and 83895B,-

L RIII haalno objection to 'authorizingYreisaislof> thellicensec's facilities

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i U// REVIEW OF. PARKWELL LABORATORIE lNCMf i$M

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i(d This rcfe rs tol Ralph',!!cyer'sfrecentstelephonel

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On Octobe r b,.7 23719 79.. FFt:5/RIIIc sentia memorandum to ' the Division Di re c t o r, FFMS lIn s pe c tion F. IE fwi th.! copie s ll)D 7hof > a closcout' s J

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o f ' Pa rkwell Labo ra to ries ',9,IncQ(At/tachmenth at inemorandum stated that. the licensce would ship hi burial site and that R1110had;n,sfradioactive.vastento a commercini o objectionito releasing 'the licensco's h1 facili ty ;fo r unrest ricted.usc@ @{Mg.[S$ d W' '

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On' lby.29 1980sthe licenseei:in'formedd!!r ?Sreniawski,lb[ telephone, r

.that the vaste hadlnot'bcen sint tolalcommercial burial site but;had cy, been buried onL his; property 3acco[rding to'10fCTR!20.' 304..The radioactiv p$ ',

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vaste consisted.of lessithan)20'pCi(ofjAm-241/as contasinated equipment,

yiq, me t al, an d concrete. 9 Appen~difC;.o f{Pa,rty20jlis t s - 0. 01fpCi; fo r Ar.t-241,

[h(9Q" and 20.304 permits'12; burials per; year each, ofjl000; times the. Appendix C y

quantity' (10 'pCilof jam-241[pe r.burialfAnfsoil)M@b i ' '

.ZTheilicensec ' stated that he performed;two burials %spf Q QAM g4 3 $f g,t

,.MQ pQ Since the licensce's;tateditheyburikis.;.werofin accordance with 20.304

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+ and considering the'emal1[ quantity)ofi' radioactive vaste, buried,' Rill V

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still has no;objeetion;to[ releasing;the(licenacets facilityL for unrest ricted use.

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J. M..x Pagliaro

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, Inspection on August 6-9, 1979 (Report 4.y.

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_Arcas Inspected:,Visualcinspection,'jradiation, measurements,I air sampics

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and evaluations of smears taken'.at"v.ario. u. s.11ocations: at the ~11censce's

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,w Mpg facility to verify;thatialls licensed i.catcr1al'huf bcen d,isposed of and m

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g] Wl there was' no residual' contamination $$WJ$.?:.f,':M that s

Results: A11711 censed material; wasjdisposed, ofi,by s the licensee in an gc$,j ';

authorized manner.execpt for, waste?juhich?isitoibc; shipped. to the hp,,

Richland, Wshington,1 burial' site operated;by.1Nucicar Engineering Co...

j Inc.

The licensee is s to'. send 'copics[ofi the' shipping papers to NRC-RIII.

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J No residual contamination vasi detcetedM@MM'C/lp/ i E

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