FW: Threshold

["Richard F. Orthen" <rorthen@EARTHSCIENCES.NET>]

-----Original Message-----

From:	owner-radsafe@list.vanderbilt.edu

[mailto:owner-radsafe@list.vanderbilt.edu] On Behalf Of Jacobus, John

(OD/ORS)

Sent:	Friday, April 19, 2002 9:58 AM

To:	radsafe@list.vanderbilt.edu

Subject:	RE: Threshold



Ted,

I hope you realize that the NRC has "bought" the idea of having a threshold.

Regulations say licensees do not have to implement programs that reduce

public exposures below 1 mSv/y.  Is the NRC more enlightened than the

public?  ALARA is only implemented for workers' exposure, not the public.



John-Public ALARA considerations are very much alive in the framework of

NRC's license termination process and rules (10 CFR 20, Subpart E).  The

criteria for both unrestricted and restricted release (10 CFR 20.1402 and

20.1403) stipulate ALARA demonstration conditions on the 25 mrem public

annual TEDE constraint.  Refer to NUREG-1549 "for the rest of the story."



Rick Orthen







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