ML20247D001
| ML20247D001 | |
| Person / Time | |
|---|---|
| Issue date: | 09/20/1990 |
| From: | Thomas Rich NRC |
| To: | |
| Shared Package | |
| ML20247D005 | List: |
| References | |
| SSD, NUDOCS 9805140193 | |
| Download: ML20247D001 (11) | |
Text
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REGISTRY OF RADIOACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF SEALED SOURCE (AMENDED IN ITS ENTIRETY)
NO.: NR-460-S-144-S DATE:
SEP 2 0 Ino PAGE 1 OF 4 SEALED SOURCE TYPE:
Gamma Source MODEL:
4P6M MANUFACTURER / DISTRIBUTOR:
Minnesota Mining and Manufacturing.
TCAAP Building 590 New Brighton, MN 55112-5796 ISOTOPE:
MAXIMUM ACTIVITY:
Cesium-137 1.0 curie LEAK TEST FREOUENCY:
6 Months PRINCIPAL USE:
(D) Gamma Gauge J
CUSTOM SOURCE:
YES X
NO I
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l REGISTRY OF RADIOACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF SEALED SOURCE (AMENDED IN ITS ENTIRETY) l NO.: NR-460-S-144-S DATE:
SEP 2 01990 PAGE 2 OF 4 4
SEALED SOURCE TYPE:
Gamma Source DESCRIPTION:
)
There are two different source capsules, one for activity less than 500 mci and one for activity from 500 mci to 1000 mci.
In both cases, the source is doubly encapsulated in 304 stainless steel.
Both the inner and outer capsules are closed by a plug and by TIG welding.
The outer capsule is identical for both source capsules and has a minimum wall thickness of 0.025".
However, the minimum inner capsule wall thickness is 0.025" for the capsule with lower activity and 0.022" for the capsule with higher activity.
The Cesium-137 in the capsule is in the form of inert ceramic microspheres with a size distribution within the range of 30-200 microns.
The source is a cylinder, 0.280" in diameter by 0.520" long.
DIAGRAM:
Engineering drawings (DWG. NOS. 12-1921-2743-4 & 12-1921-0841-8) of the sources are shown in attachments 1 & 2.
LABELING:
The sealed sources are engraved with their serial number, isotope, and activity.
CONDITIONS OF NORMAL USE:
i The sealed source is for use in gauging devices and is installed in the gauging device by the device manufacturer.
PROTOTYPE TESTING:
The sealed source 3M Model 4P6M is identical to 3M Model 4P6E except for total length.
The Model 4P6E is longer by 0.230".
The Model 4P6E was prototype tested and given an ANSI N542 classification of 77C66545.
Since the only difference is the Model 4P6M is shorter than the Model 4P6E, it will perform the same when subjected to the same prototype testing.
Therefore, by engineering evaluation, the Model 4P6M attains a classification of 77C66545.
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l REGISTRY OF RADIOACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF SEALED SOURCE (AMENDED IN ITS ENTIRETY) 1 1
NO.: NR-460-S-144-S DATE:
SEP 2 01990 PAGE 3 OF 4 SEALED SOURCE TYPE:
Gamma Source EXTERNAL RADIATION LEVELS:
Radiation dose rates were calculated for a 1.0 curie Model 4P6M.
l The dose rates are based on a NIST traceable standard and are as follows:
170,568 mr/hr 0 5 cm 4,738 mr/hr 0 30 cm 421 mr/hr 9 100 cm OUALITY ASSURANCE AND CONTROL:
The quality program used to ensure the sealed sources are fabricated to NRC approved design is based on Mil-Q-9858-A guidelines.
The program has been previously accepted for licensing purposes by NRC.
LIMITATIONS AND/OR OTHER CONSIDERATIONS OF USE:
The device shall only be distributed to specific licensees of NRC or an Agreement States.
Handling, storage, use, transfer, and disposal:
To be determined by the licensing authority.
In view that these sources exhibit high dose rates, the sources should be handled only by experienced licensed personnel using adequate remote handling equipment and procedures.
The sealed sources shall be leak tested at intervals not to exceed 6 months using techniques capable of detecting 0.005 microcurie of removable contamination.
This registration sheet and the information contained within the references shall not be changed without the written consent of the NRC.
SAFETY ANALYSIS
SUMMARY
Based on review of Minnesota Mining and Manufacturing's sealed source, Model 4P6M, and the information and test data cited below, we continue to conclude that this sealed source is l
acceptable for specific licensing purposes.
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REGISTRY OF RADIOACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF SEALED SOURCE (AMENDED IN ITS ENTIRETY)
NO.: NR-460-S-144-S DATE:
SEP 2 01HO PAGE 4 OF 4 SEALED SOURCE TYPE:
Gamma Source l
SAFETY ANALYSIS
SUMMARY
(CONT.):
l Furthermore, we continue to conclude that this sealed source would be expected to maintain its containment integrity for i
normal conditions of use and accidental conditions which might
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occur during uses specified in this certificate.
1
REFERENCES:
1 l
The following supporting documents for the Model 4P6M Sealed l
Source are hereby incorporated by reference and are made a part of this registry document.
Minnesota Mining and Manufacturing's letters dated September 3, 1968, January 9, 1990 and January 31, 1990, with enclosures thereto.
I ISSUING AGENCY:
l U.S. Nuclear Regulatory Commission
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SEP 2 01990 Date:
Reviewer:
tN i
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0 1990 b
AA Date:
Concurrence:
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REGISTRY OF RADIOACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF SEALED SOURCE (AMENDED IN ITS ENTIRETY)
NO.
NR-460-S-144-S DATE:
SEP 20Ig ATTACHMENT 1 i
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REGISTRY OF RADIOACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF SEALED SOURCE (AMENDED IN ITS ENTIRETY)
NO.: NR-460-S-144-S DATE:
SEP 2 01990 ATTACHMENT 2 ITEM QTv OtSCAIPMN CAPSULE OUTEM pggg ggy4 g
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REGISTRY OF RADI0 ACTIVE SEALED SOURCES AND DEVICES
. SAFETY EVALUATION OF SEALED SOURCE NO.: NR460S144U DATE:
October 21, 1968 PAGE 10F 2 SEALED SOURCE TYPE:
Gama Source MODEL: 4P6M
-1 MANUFACTURER / DISTRIBUTOR:
Minnesota Mining and Manufacturing 3M Center St. Paul, MN 55101 MANUFACTURER / DISTRIBUTOR:
IS0 TOPE:
Cesium-137 MAXIMUM ACTIVITY:
- 1. curie LEAK TEST FREQUENCY:
PRINCIPAL USE:
Other CUSTOM SOURCE:
YES X N0 l
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REGISTRY OF RADI0 ACTIVE SEALED SOURCES AND DEVICES SAFETY EVALUATION OF SEALED SOURCE NO.: NR460S144U DATE:
October 21, 1968 PAGE 2 0F 2 i
SEALED SOURCE TYPE:
Gamma Source DESCRIPTION:
'This source is iden.tical to the 3M Model 4P6E.except for the capsule length which is 0.520" instead of 0.750".
ISSUING AGENCY:
U.S. Atomic Energy Commissi'n o
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2111Elfh USE ONLY I
SEALED SOURCE MANUFACTURER & DISTRIBUTOR:
MODEL:
3M Company 4P6M St. Paul, Minnesota ISOTOPE:
USE:
Cesium 137 (up to 1 curie)
Gamma source DESCRIPTION:
This source is identical to the 3M Model 4P6E cxcept for the capsule length which is 0.520" instead of 0.750".
October 21, 1968 O
U. S. ATOMIC ENERGY COMMISSION EfflEldh Ell R N_ L 1
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Mr. T. L Lahr 3M Center St. Paul, Minnesota 55101 Centlemen:
Your February 18, 1972 1cteer references, in a general canner, previously submitted information in describing; the 4F3G cource.
In some cases such general refereneca recult in the nearching of several files in order to trace the referenced inforr.stion.
It "ould be appreciated if, in future correspondence of this type, you would cake specific refercaca to docu=cnts containing the information you wish to in-corporate by reference, including document title, date, and other specific information such as souren or devico model nu=ber correlated with the infor=ation previoucly subnitted in the docu=cnt.
Also, your February 18, 1972 Ictter states that " labeling and other processes relative to the manufacture of the cource are identical to our liedels 4F6E,($P6ET) 4F6S cnd tumy similar unito submitted to you prr" d ~cly. " A scarch of our files indicates that these soure**
do not all baar identical labels, herefore, you should specifically describe the labeling to be applied to the !!odel 4F3G acurce.
Sincerely,
......*tj
" Jack M. Bell thterials Branch Divicion of Materialn Licensing E[
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3M Health Physic rvices
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3M Center Bldg. 224-2E 06
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St. Paul. MN 55144 1000 612/736 0498 August 6, 1991 U.S.
Nuclear Regulatory Commission Washington D.C.
20555 Attn:
Mr. Steven L.
Baggett Nuclear Material Safety and Safeguards Medical and Commercial Use Safety Branch Mail Stop 6H3
Subject:
Inactive Source Registrations k,
Gentlemen:
In accordance with a July 25, 1991 telephone conversation between Mr. Melvin R.
Peters, 3M, and Mr. John W.
- Lubinski, NRC, enclosed is a listing of registered 3M sources which should be terminated.
The manufacturing of these sources either has been, or will have been, permanently discontinued by September 30, 1991.
It is our understanding that upon termination:
1.
The registrations will become part of NRC's inactive file, but present users of the sources may continue to use them.
2.
3M can accept the sources for disposal and leak testing, but cannot refurbish or repair them.
3.
3M, on a best effort basis, wi21 provide the NRC with a listing of the total number of sources sold and the date of the last sale.
4.
The annual maintenance fee for the registrations will be waived.
Yo s t uly, s
obert issink, Chairman Isotope Committee
Enclosure:
3M Inactive Source List (July 27, 1991) o i _ r <, R r,1 :
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07/29/91 MINNESOTA MINING & MFG (TO INACTIVE STATUS)
PAGE 1 1
SOURCE INVOICE 8 LICENSE i MODEL 8 AMO 6645 91 STB 1129 THORIUM AMO 6541 91 22 00057 34G 703 AMO 6628 91 NR 0459S 101 S/
4F6Y
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AMO 6629 91 NR 0459S 102 S9 3F1G /
AMD 6551 91 NR 0460S 101 U'
4F60 AMO 6552 91 NR 0460S 102 S' 4F6H #
ut y, gg 7 gg qg, 75,
AMO 6553 91 NR 0460S 103 UV 4 F 6 G '/
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AMO 6554 91 NR 0460S 105 U 6B6F AMO 6555 91 NR 0460S 106 U 4F6P /
AMO 6556 91 NR 0460S 107 S 1C2A,1C2B /
AMO 6557 91 NR 0460S 108 U 4F3Be AMD 6558 91 NR 0460S 109 U 4F3C /
AMO 6543 91 NR 0460D 110 U 3MIC /
AMO 6544 91 NR 0460D 111 0 3M1B/
AMO 6559 91 NR 0460S 112 U 3E4G /
AMO 6560 91 NR 0460S 113 U-403A/
AMO 6561 91 NR 0460S 114 U 4D3B /
AMO 6562 91 NR 0460S 115 U 4D6D /
AMO 6563 91 NR 0460S 116 0 4D6F' AMO 6564 91 NR 0460S 117 U 5FID /
AMO 6565 91 NR 0460S 118 U 5FIE /
AMO 6566 91 NR 0460S 119 U SFIF /
AMO 6567 91 NR 0460S 120 U SF IG /[
AMO 6568 91 NR 0460S 121 U 3L2B /
AMO 6569 91 NR 0460S 122 U 3L2A/
AMO 6545 91 NR 0460D 123 U 3M1F /
AMO 6570 91 NR 0460S 124 U 3L2C /
AMO 6571 91 NR 0460S 125 U 1E2J V AMO 6572 91 NR 0460S 126 U 3F1G /
AMD 6573 91 NR 0460S 127 U 4FIE /
S F 1 H "
AMO 6574 91 Nd 0460S 128 U AMO 6575 91 NR 0460S 129 U 3E40 v AMO 6576 91 NR 0460S 130 0 S F I N
AMD 6577 91 NR 0460S 131 U SFIN (MODIFIED)L/
AMO 6578 91 NR 0460S 132 U 7B8L //
AMO 6579 91 NR 0460S 133 0 6H6A j AMO 6580 91 NR 0460S 134 U 6H6B v AMO 6581 91 NR 0460S 135 C 4D6M s/
AMO 6582 91 NR 0460S 136 U 4}L2E AMO 6583 91 NR 0460S 137 S # 6500 $ 6520 (FORMERLY 6D6C) j AMO 6584 91 NR 0460S 138 U 3L2D yINR 0460S
/
AMO 6585 91 139 0 3Q10 f;lNR0460S 140 U 3E4L, 3E4S /
AMD 6586 91 AMO 6587 91 NR 0460S 141 0 3 FIR /
/
AMO 6546 91
)I NR 0460D 142 G 902, 902F, 903/
AMO 6588 91 O NR 0460S 143 S 4P6E/
AMO 6589 91 P 'NR 0460S 144 S kP6M /
AMO 6547 91 3'NR 0460D 145 U 3 MIL' ke 3(680460S AMO 6590 91 NR 0460S 146 U 3G9A f c3 AMO 6592 91 147 U 3B4G gg '
- AMO 6591 91 NR 0460S 147 S 3B4G AMO 6593 91 NR 0460S 148 0 4F3F V AMO 6594 91 NR 0460S 149 U 4F3G s'
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F 9TAMINING& MFG (TOINACTI9 STAT 07/29/91 MINNES PAGE 2
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SOURCE INVOICE 4 LICENSE i MODEL i el AMO 6595 91 NR 0460S 151 S LI6530, 5CE (FORMERLY 6B6G)/'
AMO 6548 91 NR 0460D 152 U 6H6D dV4# o '1 AMO 6596 91 NR 0460S 153 S ALBUMIN MICROSPHERES (HUMAN) TC-99M v4 AMO 6549 91 NR 04600 154 U SH6E SOURCE APPLICATOR, 8C9T SAFE
/
AMD 6597 91 NR 0460S 155 S 4 D 6 L,,
AMO 6598 91 NR 0460S 156 S 4D6P AMO 6599 91 NR 0460S 158 U 3F1I.j F1J. 3FIL /
3 AMO 6600 91 NR 0460S 159 U 3F1V AMO 6601 91 NR 0460S 160 U 4PST r vcwcc3 773/
AMO 6602 91 NR 0460S IS1 U 4F3Dr AMO 6603 91 NR 0460S 162 U 4F3H/
AMO 6604 91 NR 0460S 163 S 4F6S /
AMO 6605 91 NR 0460S 164 S 3E40/
AMO 6606 91 NR 0460S 165 S 6701 /
AMO 6550 91 NR 0460D 168 G 702, 703, 704 db 169 S6mJtS10,/j AMO 6609 91 NR 0460S 6550,6570 (FORMERLY 6B6G) sr AMD 6610 91 NR 0460S 170 S kP6V AMO 6611 91 NR 0460S 171 S 4F6ST l
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