San Onofre does not have gamma portals at the PA entrance.  As others indicated, risk is low.


Eric M. Goldin, CHP
Southern California Edison
<[email protected]>




From:        "BREHM, DAVID M" <[email protected]>
To:        "[email protected]" <[email protected]>
Date:        11/18/2011 10:22 AM
Subject:        Powernet: Protected Area Entrance Gamma Portal Monitors
Sent by:        [email protected]




I’m researching the usage of gamma portal monitors (e.g., PM-7, GEM-5, etc.) at the entrance to the Protected Area.  There is very specific guidance for having the monitors at the exit to the protected area, but I cannot find anything for the entrance – I’ve spoken with both ANI & INPO on the topic.   At FCS, we currently have them at both the entrance and exit to the protected area.  Our reasons lie with both local and industry OE as well as a strong desire that we know about anything radioactive coming in the PA – from whatever source.
 
Question:  Does your site have gamma portal monitors at the protected area entrance & what is your reasoning?
 
Thanks,
 
David Brehm
Fort Calhoun Nuclear Station
Supervisor - Radiological Equipment & Dosimetry
Office: 402.533.7582
Cellular: 402.214.0107
Pager: 402.561.3310
 


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