Re: Breathing Zone Representation

["Leon E Brown" <lebrown@cmsenergy.com>]

Mike,

NRC Reg Guide 8.25 states "within about 1 foot of the worker's head" but then
goes on to provide four methods to demonstrate that air samples taken beyond the
1 foot range are representative of the breathing zone.

Leon E. Brown, CHP
Senior Consultant
Big Rock Point Restoration Project
(231) 547-8419
lebrown@cmsenergy.com





"Winters, Mike" <PutzMS@pgdp.usec.com> on 11/09/99 01:55:51 PM

Please respond to radsafe@romulus.ehs.uiuc.edu

To:   Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
cc:    (bcc: Leon E Brown/Xx/Consumers/CMS)
Subject:  Breathing Zone Representation



RADSAFERS:

What is the maximum distance from a worker's face that can still be
considered repreentative of the breathing zone?

Please include an industry reference document, or how you determined the
maximum distance.

Thanks.

Michael Winters, RRPT
Mailstop-7115
United States Enrichment Corp.
Paducah Gaseous Diffusion Plant
5600 Hobbs Road, Paducah, KY, 42001
ph# 270-441-6943

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