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Re: NESHAPS Help



I would suggest getting the Background Information Document (BID) on the
NESHAPS standard from EPA.  It may even be on their web site.  You might
also contact Larry Weinstock at EPA.

Ruth Weiner
ruth_weiner@msn.com
-----Original Message-----
From: Larry Hoffman <hoff@lanl.gov>
To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
Date: Friday, August 25, 2000 8:48 AM
Subject: Re: NESHAPS Help


>Paul,
>
>Contact Linnea Wall. She also works at Berkeley. I think she wrote a thesis
>on this very subject.
>
>Larry
>
>At 09:44 AM 08/25/2000 -0500, you wrote:
>>HELP!
>>
>>I have been trying (it appears unsuccessfully) to put some logic to
>>the many regulatory limits. Not the ones we normally think of as
>>limits. Ones like the EPA's limit of 4 millirem per year from
>>drinking water and 10 millirem under EPA's NESHAPS.
>>
>>OK, here is the question.
>>
>>I was under the impression that our exposure limits 5000 mrem WB per
>>year for workers and 100 mrem per year for members of the public were
>>risk based limits. That is these were based on cancer risk as found
>>in BEIR 5. However, I was under the understanding that the EPA's
>>"limit" of 10 mrem per year in the NESHAPS rule was a health based
>>limit.
>>
>>I am not trying to address the LNT model etc. My question is, what
>>was the basis for the NESHAP limit? Is it risk based or health based?
>>Can I get a reference?
>>
>>Thank you all for being there. I am grateful that there is a place to
>>go when I need to get information or advice from other HP
>>professionals.
>>
>>
>>
>>Paul Lavely
>>UC Berkeley
>><lavelyp@uclink4.berkeley.edu>
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>>The RADSAFE Frequently Asked Questions list, archives and subscription
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>>
>>
>
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