On 12 Feb 98 14:07:27 -0500, LIPTONW@detroitedison.com wrote:
You might wish to know that you sent the message below to
server@romulus.ehs.uiuc.edu rather than radsafe@romulus.ehs.uiuc.edu.
>You wrote:
>Is anyone aware of a requirement for the thickness of Rad Waste bags used
to
>bag-out HEPA filters? Please response the the address below. Thanks
>
>mbeekman@tis.eh.doe.gov
>Marsha L. Beekman
>mbeekman@tis.eh.doe.gov
>phone (505) 234-8495
>fax (505) 234-6040
>
>Although I'm not aware of any "requirements", it makes sense that you would
>want to avoid any shallow or lens dose from the beta activity on the filter.
>
>Thus, a minimum thickness of 1000 mg/cm2 seems to be a good practice. This
>would absorb betas of up to 2 MeV.
>
>The opinions expressed are strictly mine.
>It's not about dose, it's about trust.
>
>Bill Lipton
>liptonw@detroitedison.com
>
>
>
>
>
--
Melissa Woo, Health Physicist |m-woo@uiuc.edu
University of Illinois at Urbana-Champaign |ofc 1.217.244.7233
DEHS, MC225, 101 S. Gregory St., Urbana, IL 61801|fax 1.217.244.6594
http://www.uiuc.edu/ph/www/m-woo |