ML20154Q845

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Registry of Radioactive Sealed Sources & Devices,Safety Evaluation of Sealed Source for Model TS101.Certificate: NR-300-S-860-S
ML20154Q845
Person / Time
Issue date: 10/21/1998
From: Michele Burgess, John Lubinski
NRC
To:
Shared Package
ML20154Q848 List:
References
SSD, NUDOCS 9810260090
Download: ML20154Q845 (7)


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. REGISTRY.OF RADIOACTIVE.~ SEALED' SOURCES.AND DEVICES SAFETY EVALUATION.0F, SEALED SOURCE

.NO.: NR-300-S-8'60-S DATE: 00,T 21 1998 PAGE 1 OF'S SEALED SOURCE TYPE: k'eletheraphy Source

. MODEL: TS101 MANUFACTURER / DISTRIBUTOR: / Gam 5ta Industries, Inc.

P.O. Box 2543 Baton Rouge, LA 70821 0 :-

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l ISOTOPE: MAXIMUM ACTIVITY:

Cobalt-60 15,000 Ci (555 TBq)

LEAK TEST FREQUENCY: 6 Months e -

PRINCIPAL USE: (C) Medical Theraphy w l CUSTOM SOURCE: YES- X NO 9810260090 981021 A PDR SSD RC

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REGISTRY OF RADIOACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF SEALED SOURCE l

NO.: NR-300-S-860-S DATE: OCT 21 1998 PAGE 2 OF 5  !

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. SEALED SOURCE TYPE: Teletheraphy. Source '

l DESCRIPTION:

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This teletherapy sourceireplaces Models TS101'A and TS101 B. This source. assembly may'be used in any model teletherapy unit. The maximum curies content of each source is-determined by the

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teletherapy device it is intended,for.

The teletherapyLsource consists of nickel plated metallic cobalt mini-pellets or. wafers contained in a double encaps'u lated stainless steel 304 orl316 enclosure. -

.The inner capsule is'a variable' dimension circular cylinder with a maximum outside diameter of.1.115" (2.83 cm) by 1.325" l (3.37 cm) in height. The inner diameter of the capsule is 1.000"  !

J(2~54 cm) maximum. The minimum wall thickness is 0.031"

. l (0.79 mm). The top of the inner capsule is 0.125" (3.18 mm) l thickLand is a light press fit in the capsule. The top is sealed l by "TIG". welding. A shield' liner made of Tungsten may be placed inside the' inner capsule. The shield liner outside diameter is 0.990" (2.51 cm) and has a height of 1.146" (2.91 cm). The inside diameter of_the shield liner is either 0.689, 0.788, 0.590, or 0.394" (17.5, 20.02, 14.99, or 10. 0 rmn) .

The outer capsule is also a variable dimension right circular cylinder with a maximum diameter of 1.1250" (2.86 cm) and a height of 1.504" (3.82 cm) . The cover on the outer capsule is also 0.125" (3.18 mm) in thickness and is sealed in a similar 1 manner as the inner capsule.

.The double encapsulated assembly may be secured and supplied in an International Standard Teletherapy Source Holder. (This shell isLdiscussed in NBS Handbook #73.) Or, it may be. supplied without the holder to fit teletherapy machines not requiring such a holder.

-The only difference between the Models TS101 A, TS101 B and the TS101 is that both the inner and outer capsule on the TS101A and l TS101B have a slight recess cut in the inner diameter of the

. capsule which is 0.125" (3.18 mm) deep in which the cover is seated. This recess is eliminated in the TS101.

REGISTRY OF RADIOACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF-SEALED SOURCE NO.- NR-300-S-860-S DATE: OCT 21 1998 PAGE 3 OF 5 SEALED SOURCE TYPE: Teletheraphy Source

-LABELING:

Each outer capsule is engraved with the following information:

GI-TS101 Ser. #...........

Co-60............Ci Date.... ........

PROTOTYPE TESTING:

This teletherapy source is based upon approved design that has been tested to demonstrate that the source may be classified under the ANSI Standard NS.10-1968 classification as E42424.

QUALITY ASSURANCE AND CONTROL:

After fabrication, inner and outer capsules are visually inspected using magnification. The capsules are then subjected to a LN2 (liquid nitrogen) bubble test.

The inner and outer capsules are separately cleaned (decontaminated) in a standard completing solution. The inner and outer capsules are separately wipe-leak tested after welding to' assure that the inner capsule has less than 0.5 microcuries (18.5 kBq) removable contamination and 'the outer capsule has less than 0.005 microcuries (185 Bq) removable contamination.

LIMITATIONS AND/OR OTHER CONSIDERATIONS OF USE:

. The source shall be possessed and used by persons specifically licensed by the NRC or an Agreement State.

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

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[ REGISTRY OF RADIOACTIVEESEALED SOURCES AND DEVICES i SAFETY EVALUATION OF SEALED SOURCE l'

l NO.: NR-300-S-860-S DATE: . 0Cr 21 1998- paag 4 og 5

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- SEALED SOURCE. TYPE: Teletheraphy Source

h. - LIMITATIONS AND/OR OTHER CONSIDERATIONS OF USE-(Cont'd): I

='This registration sheet'and the information contained within-

,, the references shall,not'be changed'without the written l L . consent of the NRC. . l SAFETY ANALYSIS SUMMAR :

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' The'Model TS101 sodrce l's no longer manufactured or distributed by Gamma Industries, Inc.-and Gamma Industries, Inc. is'no longer i in business. Therefore,; the: registration certificate.is being l converted to an inactive registration certificate.  !

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~ REGISTRY OF RADIOACTIVE--SEALED, SOURCES'AND DEVICES SAFETY EVALUATION OF SEALED. SOURCE

NO.: 'NR-300-S-860-S DATE: E 2 1'1998 PAGE 5 OF 5

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- SEALED SObRCE' TYPE: Teletheraphy Source

' SAFETY ANALYSIS

SUMMARY

(Cont'd):

The' source was originally approved:for licensing purposes by the

- Louisiana Division of Radiation Control'. NRC attempted to obtain copies of all-information subaitted by the registrant in support of the evaluation. However, NRC could not locate all the information-'. Therefore, no safety evaluation of the source was

, performed as part of the conversion of the certificate to inactive status.

ISSUING AGENCY:

~ U.S. Nuclear Regulatory Commission E 2 1 1998 ,/

1 Date: Reviewer: 9 1 ohn W. Lubinski l

I ISSO Concurrence:

-Date: f (t d u. d f77 b s Michele L. Burge'ss I

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PAGE1 NRC FORM 567 U. S. NUCLEAR REGULATORY COMMISSION C44 REQUEST FOR A SEALED SOURCE OR DEVICE EVALUATION bIL INSTRUCTIONS: Send this request AND a copy of all reisted letters /appheatione and drawings to: The Sealed Source Safety Sectkm. 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 applicatkm and background flies.

REQUESTER REGION / LOCATION:

L #F/f## 4 // ~

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R ll ll1 RIV RV R HQ R LFDCB TELEPMNUMPER dATE TYPE OF ACTION REQUESTED (Check as appropriate)

APPUCANTS NAME SOURCE REVIEW AMENDMENT OF REGISTRATION SHEET MAa, CONTROL NUMBER (S) NUMBER (S)

DEVICE REVIEW LETTER /APPUCATEM DATE UCENSE NUMBER (S) CUSTOM REVIEW <h mma TixfusfrleS 6 Box 25%3 n N'ooqe, U) 26 DI

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FOR 8888 USE ONLY REVIEWER MODEL NUMBERS NUMBER ASSKINED foo9 9&st, DATE RECEIVED DATE ASSIGNED DATE TO FEES 5-MW TYPE OF ACTION (Indicate the numtur of each type)

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_l COMMERCIAL DISTRIBUTION (FORMAL) l USE BY A SINGLE APPLICANT (CUSTOM)

SOURCE (90) DEVICE (9A) SOURCE (90) DEVICE (98)

]NEW ]NEW ]NEW ]NEW AMENDMENT AMENDMENT _

AMENDMENT _

AMENDMENT j NO SAFETY EVALUATION REQUIRED j LICENSING ACTION REQUIRED IF KNOWN -

NO FEES REQUIRED NO j OTHER (Spec #Y)

TOTAL NUMBER OF NOTES ,

REVIEW HOURS

[/]d./[6 [37# / /OA /Odb 7 t/L NUMBER OF DEFICIENCY LETTERS NUMBER OF DEFICIENCY CALLS FOR BILLING PURPOSES ONLY NAME CHANGE NEW REGISTRATION - J MODUCT INACM -

ADDRESS CHANGE ADD TO BILLING REMOVE FROM BILLING FOR FEE USE ONLY O TYPE OF FEE g twMi FEE CATEGORY 7 9A R 98

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9C U 90 f

AMOUNT RECEIVED ~N CHECK NUMBER MATANN UPDATED AS REQUIRED

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DATE OF CHECK LOG k, J( j MATSYS UPDATED t

.> k AS REQUIRED 4 --o g g<

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NRC FORM set &#3)

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.. e REGISTRY OF RADI0 ACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF DEVICE (CorrectedCopy) i'

_- NO: NR-300-D-144-S DATE: May 26,1982 PAGE: 1 0F: 5 DEVICE TYPE: Gamma Irradiator

' MODEL:- 1002 MANUFACTURER / DISTRIBUTOR: .

Gamma Industries .

Division of Nuclear Systems 2255 Tad Dunham Avenue ,

P.O. Box 2543 Baton Rouge, LA 70821 MANUFACTURER / DISTRIBUTOR:

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SEALED SOURCE MODEL DESIGNATION:

Gamma Industries Model-VD-HP (ANSI 77E5633)

ISOTOPE: MAXIMUM ACTIVITY:

Cobalt - 60 379 curies LEAK TEST FREQUENCY:

6 Months PRINCIPAL USE:

Ga'mma Irradiator Category II CUSTOM REVIEW: X_Yes No 4

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