[ RadSafe ] Attn. Landauer Customers

[Michael McNaughton]

Sandy

For example, within the boundaries of LANL the terrestrial background 
ranges from 4 to 12 mrem/month and cosmic-ray background ranges from 4 to 7 
mrem/month.

mike

At 09:29 AM 08/24/2005, SandyPerle wrote:
>Before simply using a fixed background subtraction, one really needs to 
>know the actual background, and, the variation of the background changes, 
>seasonal as well as othe influence quantities that affect the background. 
>If not, the probability of false positives or negatives, as well as over 
>or under estimation of dose can be the result.

Mike McNaughton
Los Alamos National Lab.
email: mcnaught at LANL.gov or mcnaughton at LANL.gov
phone: 505-667-6130; page: 505-664-7733