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Re: US radiation safety limits not based on science-GAO
Dave, I beleive EPA is 15 mrem per year from a single source. 25 mrem for each year from all sources. I apologize if this has been mentioned to you already.
Enjoy,
Tom
--
On Mon, 17 Jul 2000 13:18:41 Dave Derenzo wrote:
>Thanks, everyone, for a clear explanation of the NRC limits and for
>including the applicable regulatory references. It appears that the
>Reuters press release is technically accurate.
>
>However, when a 25 mrem limit is set by the NRC and a 15 mrem limit is set
>by the EPA, there is an apparent conflict. Does the EPA limit apply to NRC
>licensees? To NRC licensed power plants? To state licensed
>facilities? Is there a memorandum of understanding between NRC and
>EPA? Does either agency provide some regulatory guidance about this? It
>is not reasonable to promulgate conflicting standards. Comments please!
>
>Dave Derenzo
>
>At 12:39 PM 07/17/2000 -0500, you wrote:
>>The NRC's 100 mrem annual limit (above background) is the dose limit for
>>an individual member of the public from licensed operations [10 CFR
>>20.1301(a)(1)]
>>
>>A licensee is allowed to operate up to a 500 mrem per year limit for a
>>member of the public with prior NRC authorization upon demonstrating the
>>need for and the duration to operate in excess of the 100 mrem limit [10
>>CFR 20.1301(c)]
>>
>>The NRC's 25 mrem annual limit (above background) is in reference to the
>>license termination rule [10 CFR 20. 1402]. A site will be considered
>>acceptable for unrestricted use if the dose from residual radioactivitiy
>>to the average member of the critical group does not exceed 25 mrem per year.
>>
>>Duncan White
>>adw@nrc.gov
>
>
>Dave Derenzo, RSO (dave@uic.edu)
>UIC Radiation Safety Section, M/C 932
>Phones: Voice (312) 996-1177 Fax: (312) 996-8776
>
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