ML20203M571
| ML20203M571 | |
| Person / Time | |
|---|---|
| Site: | 07000693 |
| Issue date: | 12/28/1983 |
| From: | Sengupta S NUCLEAR RESEARCH CORP. |
| To: | Johansen J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML20203M523 | List: |
| References | |
| 01501, 1501, NUDOCS 8605010583 | |
| Download: ML20203M571 (4) | |
Text
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- CORPORATION December 28, 1983 125 Titus Avenue Warrington, Pa.16976 Phone: 215-343-5900 U.S. Nuclear Regulatory Commission Region I 631 Park Avenue King of Prussia, PA 19406 Attention:
Dr. Jenny Johansen Nuclear Material Section B i
Reference:
License No. SNM-631 Docket No.
070-00693 l
Control No. 01501
Dear Dr. Johansen:
As per your advice, I am enclosing a copy of Pu-Be Neutron Calibration Procedure for Snoopy NP-2 (AN/PDR-70) and a blank Certificate of Calibration fom.
Should you need any further information, please feel free to contact me.
Sincerely, NUCLEAR RESEARCH CORPORATION i
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. Sengupta Padiation Safety Officer i
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Enclosure:
Pu-Be Neutron Calibration Procedure Certificate of Calibration Fom 01501 060402 h
poR JAN O 31984 O
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ITUCLEAR RESEARCli CORPORATIOli PROCEDUPI
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110. C-006 flDITRO!! CALIBPATIOff FOR i
S!!OOPY - lip 2 (A!!/PDR-70) 1,% 1 A Av -
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T u-B: !!" it ron Source, C/II:M'M5 with output of 6.63 x 10 n/sec.*
1)
Le;. e ite detector housine. ! n;m : eter box.
2)
I'lt. e the detector on the movablu plattoir which is riding on f ixed tracks and run cable to meter head outside of the ca r.. f i n wall.
- 3) Roll detector center to 75cm f to. the neutron source for cxpc s are. Set switch on x10 scale and adjust calibration pots co teter reads 13nRem/hr.
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- 4) Reli letector to the following distances fron neutron source and u.ing scales indicated below check for listed re: Jing +_
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READIliG ECALE 2Let 116.5 nRem/hr 2
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- 5) Adjus. calibration pot il necessary; then repeat Step #3 and 24 and record readings.
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- 6) Tu ri. c.i t "0FF", aiscor.nect i.a L 2 aM rc ssen.ble unit.
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Ex >.. the detector in approxin.1 ely SR/;
- Cs-137 field to che:h for any gr.rma respense.
!!eut ron field corrected f or 1-1-84.
Reference-Increase in I;eatron yields of Plutonium Peryllium (d n ) sources j
by M.E. Anderson, Monsanto Research Corp., Mound Laboratory Miarisbarg, Ohio 45342.
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