Columbia performs source response checks of all detectors daily for exit monitors.
Ray Thomson Health Physics Craft Supervisor Columbia Generating Station [email protected] Office, 509-377-8273 From: [email protected] [mailto:[email protected]] On Behalf Of Byrum, William F Sent: Tuesday, July 03, 2012 7:43 AM To: [email protected] Subject: Powernet: Exit Personnel Contamination Monitor Source Check Frequency (ONE MORE TIME) Duke Energy request the following information: What the frequency of source response checks for final release / exit monitors (specifically beta, not gamma portals)? Daily all detectors, daily some detectors, weekly, etc. ? You may respond via Powernet or to directly to me at the email below. Bill Byrum, CHP,RSO EnRad Laboratories Duke Energy [email protected]<mailto:[email protected]> Phone 980.875.5811
