[ RadSafe ] Question on 10CFR 20

[Sandra Matzkin]

I did notice the phrase; just -as I'm used to 
different policies- wanted to be sure.

Thanks for the response and the new references, I'll have a look at them.

And thanks to those who responded privately.

Regards,

Sandra


At 17:01 05/30/2008, WILLIAM LIPTON wrote:

>The key phrase is, "each licensee shall conduct 
>operations so that..."  Hence, this standard 
>thus applies to the effluents and direct radiation from a single licensee.
>
>
>
>However, EPA regulations, in 40 CFR 190 (copied 
>below) set stricter standards that apply to the 
>dose from all nuclear fuel cycle 
>installations.  In addition, 10 CFR 50, Appendix 
>I, "Numerical Guides for Design Objectives and 
>Limiting Conditions for Operation To Meet the 
>Criterion 'As Low as is Reasonably Achievable'' 
>for Radioactive Material in Light-Water-Cooled 
>Nuclear Power Reactor Effluents," sets even 
>stricter "guidelines" for effluents.
>
>
>
>Bill Lipton
>
>It's not about dose, it's about trust.
>
>
>
>  Title 40: Protection of Environment
>
>
>
>
>PART 190—ENVIRONMENTAL RADIATION PROTECTION 
>STANDARDS FOR NUCLEAR POWER OPERATIONS
>
>
>
>...
>
>
>Subpart B—Environmental Standards for the Uranium Fuel Cycle
>
>
>
>
>
>§ 190.10   Standards for normal operations.
>
>
>
>
>
>Operations covered by this subpart shall be 
>conducted in such a manner as to provide reasonable assurance that:
>
>(a) The annual dose equivalent does not exceed 
>25 millirems to the whole body, 75 millirems to 
>the thyroid, and 25 millirems to any other organ 
>of any member of the public as the result of 
>exposures to planned discharges of radioactive 
>materials, radon and its daughters excepted, to 
>the general environment from uranium fuel cycle 
>operations and to radiation from these operations.
>
>(b) The total quantity of radioactive materials 
>entering the general environment from the entire 
>uranium fuel cycle, per gigawatt-year of 
>electrical energy produced by the fuel cycle, 
>contains less than 50,000 curies of krypton-85, 
>5 millicuries of iodine-129, and 0.5 millicuries 
>combined of plutonium-239 and other 
>alpha-emitting transuranic radionuclides with half-lives greater than one year.
>
>
>----- Original Message ----
>From: Sandra Matzkin <matzkin at invap.com.ar>
>To: radsafe at radlab.nl
>Sent: Friday, May 30, 2008 2:11:13 PM
>Subject: [ RadSafe ] Question on 10CFR 20
>
>Hi Radsafers,
>
>I have a question regarding 10CFR Part 20 - Standards for Protection
>Against Radiation. Specifically the section dealing with dose limits
>for members of the public. I'm quoting part of it:
>
>" 20.1301 Dose limits for individual members of the public.
>a) Each licensee shall conduct operations so that --
>
>(1) The total effective dose equivalent to individual members of the
>public from the licensed operation does not exceed 0.1 rem (1 mSv) in
>a year... "(SNIP)
>
>My question is: is this a limit to be complied with by each nuclear
>installation (i.e. reactor, plant, etc) independently? or else, in
>case there is more than one facility in a given area, should the 1
>mSv/year limit be the summation of the contributions from all of
>them? FWIW, the latter case is the regulatory concept applicable in Argentina.
>
>I'll appreciate any insights on this subject.
>
>
>Sandra Matzkin
>Nuclear Engineering Department
>INVAP SE
>Bariloche
>ARGENTINA
>
>
>
>
>
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