Re: LSC and unexplained luminescence

[Ninni Jacob <Ninni_Jacob@brown.edu>]

Melissa:

Sometimes, we have found that flourescent lights cause "photo luminescence".
If we let the samples sit in the counter, with the cover closed, and "dark
adapt" for a few hours, or overnight, it goes away. 

The flouresecnt lights could be where the samples were previously stored
and/or in the counting room. 

Hope that helps.
Ninni Jacob, CHP
Radiation and Biological Safety Officer
Office of Risk Management
Brown University - Box 1914
164 Angell Street
Providence, RI 02912

Tel:401 863 1738 (direct)
    401 863 3353 
Fax:401 863 7676

email: Ninni_Jacob@brown.edu
************************************************************************
The RADSAFE Frequently Asked Questions list, archives and subscription
information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html