Fw: [ RadSafe ] regs- take the quiz

[Dale Boyce]

Oops, I responded only to Otto. Here's my take... ;)

----- Original Message ----- 
From: "Dale Boyce" <daleboyce at charter.net>
To: "Otto G. Raabe" <ograabe at ucdavis.edu>
Sent: Wednesday, September 09, 2009 6:39 PM
Subject: Re: [ RadSafe ] regs- take the quiz


>I think is actually higher than 600 mrem. Nureg 1556 calculations only take 
>dose from the patient, but allow 500 mrem. The member of the public really 
>has no regulatory limit. The licensee is required to limit the dose to a 
>member of the public to 100 mrem from its operations. The same member of 
>the public could then go to a second licensee and get another 100, and so 
>on.
>
> Granted it would take a great deal of dedication from that member of the 
> public. However, the if member spent 2000 hours of their time in 
> unrestricted areas, they could receive almost 4000 mrem in a year just 
> from that, and as long as they spread it among different licensees, not 
> regulation would be broken. Throw in exposure to radioactive out patients, 
> and this hypothetical (mythical)member of the public could exceed 5000 
> mrem in a year without any regulatory violations. So hypertechnically, a 
> member of the public is allowed to receive a higher exposure than a rad 
> worker. 8;D
>
> Thanks Mike
>
> Dale
> ----- Original Message ----- 
> From: "Otto G. Raabe" <ograabe at ucdavis.edu>
> To: "Stabin, Michael" <michael.g.stabin at Vanderbilt.Edu>; 
> <radsafe at radlab.nl>
> Sent: Wednesday, September 09, 2009 11:41 AM
> Subject: Re: [ RadSafe ] regs- take the quiz
>
>
>> At 08:23 AM 9/9/2009, Stabin, Michael wrote:
>>>  Those of you experts in US regs may want to try the short quiz at:
>> *******************************
>> Concerning question 1:
>>
>> I don't think you can add different  allowable dose limits (500 + 100 = 
>> 600 mrem) since the 500 is really a maximum that includes all exposures.
>>
>> If so, since the NRC allows members of the public to get 25 mrem per year 
>> after a site cleanup, the total would be 625 mrem.
>>
>> Otto
>>
>>
>> **********************************************
>> Prof. Otto G. Raabe, Ph.D., CHP
>> Center for Health & the Environment
>> University of California
>> One Shields Avenue
>> Davis, CA 95616
>> E-Mail: ograabe at ucdavis.edu
>> Phone: (530) 752-7754   FAX: (530) 758-6140
>> *********************************************** 
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>