Palo Verde provides the following response: We currently use the Eberline BC-4 (beta) and SAC-4 (alpha) and are evaluating both the Canberra iSolo and Ludlum 3030P
We limit smears to 50,000 dpm/100 cm2 For alpha smears > 50k we have designated a few SAC-4s or we count and recount the smears. For beta we either cut or count with an ion chamber survey instrument From: [email protected] [mailto:[email protected]] On Behalf Of Byrum, William F Sent: Monday, August 27, 2012 5:46 AM To: [email protected] Subject: Powernet: Alpha Counting Duke Energy request to following information: What do you use to count smears for alpha/ beta activity? Canberra iSolo, Ludlum 3030P, other? Do you have a limit on the activity (dpm) that can be counted using a smear counter? And if you have a limit on activity, what is the limit and how do you count smears above the activity limit (beta) for alpha? Bill Byrum, CHP,RSO EnRad Laboratories Duke Energy [email protected]<mailto:[email protected]> Phone 980.875.5811 --- NOTICE --- This message is for the designated recipient only and may contain confidential, privileged or proprietary information. If you have received it in error, please notify the sender immediately and delete the original and any copy or printout. Unintended recipients are prohibited from making any other use of this e-mail. Although we have taken reasonable precautions to ensure no viruses are present in this e-mail, we accept no liability for any loss or damage arising from the use of this e-mail or attachments, or for any delay or errors or omissions in the contents which result from e-mail transmission.
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