ML20094E114

Comment on Draft Reg Guide DG-8005, Assessing External Radiation Dose from Airborne Radioactive Matls. Reg Guide Provides Minimal New Info to Nuclear Industry & Would Probably Be Best Combined W/Some Other Reg Guide

ML20094E114
Person / Time
Site:	Crystal River
Issue date:	12/19/1991
From:	Beard P FLORIDA POWER CORP.
To:	NRC OFFICE OF ADMINISTRATION (ADM)
References
FRN-56FR58256, RTR-NUREG-1400, RTR-REGGD-01.XXX, RTR-REGGD-1.XXX, RULE-PR-MISC, TASK-DG-8005, TASK-RE 56FR58256-00001, 56FR58256-1, NS91-0367, NS91-367, NUDOCS 9112260216
Download: ML20094E114 (4)

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[wcen! r 1 , al h pj l - 0;i' R q;al>'t . :o n a t i on:, i;rar.ch , DI I PS offite /<..ini:tiation U S. Nucienr W!gulatory Commission Wi.s h i f Uli 'fi, D 205b5 Dear Sir Wr na,4  ;< rim a

, te tn. ital review of the following draft Regulatory u ide cu , ' U - u.a comments are enclosed.

L i ,v n! Re v . I to prgulatory Guide 8.25,

'tir ha.pling in the Workplace" I H.c M, "H.diation Protection Programs for

'h clear Power Plants" o ME,  %< e: :ing External Radiation Dose from

<ir!orne P. dic. active Materials" J. .i f /,tcess to High and Very v Radiation Areas in liuclear Power Plants" NUR , I KU, " Air Sanpling in the Workplace" Nt1 /GC-c006, "DEPOSil10N: Software to Calculate Particle h-: etration Through Aerosol Transport Lines

! f jm. u , o qu stim, please contact Mr. Steven M. Garry, Corporate 4taltL ' L < i; i * , at 9 W 795-6486, extension 4625.

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CDMMENT FORH DOCUMENT REVIEWED: Draft Regulatory Guide DG 8005, " Assessing External Radiation Dose from Airborne Radioactive Materials" REVIEWERS: Steven M. Garry COMPANY: Florida Power Corporation Ron J. Browning figneral Commenti

1. This Regulatory Guide provides minimal new information to the tiuclear industry and would probably be best combined with some other Regulatory Guide.

.M FPC COMMENTS ON DRAFT REGULATORY GUIDE DG-8005 He* Sect / Para /

Page Line Comment and Justification Proposed Rewording 1 2 A/ The method of prospectively using IE-7 ut!/ml is mentioned, but not explained.

2 2 B/2,3,4 External exposure from cloudshine and Delete the words " deep submersion produce radiation exposure to both dose and siiallow dose."

shallow and deep dose. The exposure pathway of eye exposure / dose from cloudshine and Add:

submersion should be added to the list. 4) Eye exposure from cloudshine and submersion.

3 3 C/1/1 The deep d. se from noble gas is measured In the first sentence, properly hw pr"sonnel dosimeters, and only qualify the exception with the soft -ta - shallow dose needs to be . . . except for the beta measured to other methods. shallow dose components of noble gas not measured by dosimetry systems. The shallow dose should be determined by measuring airborne concentrations, and by calculating the eb.allew dose."

4 3 C/2 This is a statement of the obvious and, Delete this paragraph.

therefore, is unnecessary. ,

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.FPC CONNENTS ON DRAFT REGULATORY GUIDE DG-8005 .

Sect / Para /. . .

No. Page- Line - Comment and Justification Proposed Rewording 5 5 No. 2 The evaluation of. dosimetry systems has been Replace the first sentence performed by the manufacturer and' documented with, "The radiation types with' extensive literature. Ir. ' addi tion,' . and energies encountered dosimetry systems in use are already meeting should be determined, and

-NVLAP criteria. dosimetry systems should be adjusted to account for this energy distribution; i.e.,' beta energy correction factors should be established for the beta.. energies eocountered."

6 5 No. 3 The use of IE-7 uCi/ml should be explained. l 7 5 No. 4- It is implied in this first sentence that' Clarify th: sentence to measurements of noble gas concentrations. say ". . . except for the should be used.to estimate deep dose beta shallow dose equivalents. components not measured by J.gmetrysystems."

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