ML20217D012
| ML20217D012 | |
| Person / Time | |
|---|---|
| Issue date: | 10/04/1999 |
| From: | Ten Eyck E NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| To: | Trottier C NRC OFFICE OF NUCLEAR REGULATORY RESEARCH (RES) |
| References | |
| NUDOCS 9910140132 | |
| Download: ML20217D012 (3) | |
Text
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October 4, 1999 s' ,-
L 1' . mVEMORANDUM TO: .Cheryl A. Trottier, Chief Radiation Protection, Environmental Risk and Waste Management Branch .
Division of Risk Analysis and Applications .
Office of Nuclear Regulatory Research -
! FROM: . Elizabeth Q. Ten Eyck, Director Original signed by:
Division of Fuel Cycle Safety and Safeguards, NMSS
SUBJECT:
. REVIEW OF NCRP DRAFT REPORT " URANIUM: RADIATION PROTECTION GUIDELINES"
~ Attached are comments on the above draft report. If you have any questions, please contact Sean Soong at 415-8155 of my staff.
Attachment:
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% q ,,,+ October 4, 1999 MEMORANDUM TO: Cheryl A. Trottier, Chief Radiation Protection, Environmental Risk j and Waste Management Branch i Division of Risk Analysis and Applications Office of Nuclear Regulatory Research
. FROM: Elizabeth Q. Ten Eyck, Director.
Division of Fuel Cycle Safety and Safeguards, NMSS d
SUBJECT:
REVIEW OF NCRP DRAFT REPORT " URANIUM: RADIATION PROTECTION GUIDELINES" l
Attached are comments on the above draft report, if you have any questions, please !
contact Sean Soong at 415-8155 of my staff. l
Attachment:
As stated j l
l
- g. ,
.g L '1 Comments on NCRP Draft Reoort
" Uranium: Radiation Protection Guidelines" i
Eage Llan Comments 21 5 . Equation 3.3 should be revised as follows: UF + 2H2 O = UO2 F,
+4HF-I 66 17' Inhalation, e (50) under 1 and 5 AMAD for U-235, type M should be revised to 2.8x104 and 1.8x10 4, respectively. These data are listed in page 68, ICRP 68, July 1994.
in the Table 6.1, fraction absorbed to blood for Class Y under I 68- -10 ICRP 30 model should be revised from 0.098 to 0.054.
'74 21 Section 7.3, " Internal Exposure Monitoring" addresses only a !
bioassay technique for the internal exposure monitoring We recommend that this section be expanded to include the measurement of activity concentration in air by means of an air sampler as another technique for monitoring intemal exposure.
78 10-20 This paragraph should describe how the data in Tables 7.2 and 7.3 is obtained.
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i Attachment u