Palo Verde does not use OSL.

From: [email protected] [mailto:[email protected]] On Behalf Of 
Egert, Glenn W.
Sent: Wednesday, February 15, 2012 1:11 PM
To: [email protected]
Subject: Powernet: OSL dosimeters

Columbia is inquiring:

For plants that are using OSL dosimeters, specifically InLight Dosimeters, have 
you experienced a failure of the fastener (plastic thumbtack-like piece) by 
either breaking in two or falling out of place? We have had several occurrences 
of fastener breakage since we began using InLight Dosimeters in September 2011. 
The vendor has redesigned the fasteners and has used them with the January 2012 
batch of dosimeters. However we have had four instances of fastener failure 
with this new batch of dosimeters. Just trying to determine if it is a 
continuing design flaw or an assembly problem. Your InLight insight is 
appreciated.

Glenn W. Egert
Radiological Support, Dosimetry
Columbia Generating Station
Energy Northwest
(509) 377-4418
[email protected]<mailto:[email protected]>
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