Duke Energy calibrates them annually. As part of the annual calibration we do document as found flow rates. We see a very low percentage of as found readings outside of +/- 20%. We calibrate to +/- 10%. We do not require any pre or post flow tests for use.
Thanks, Bill Faulkenberry, NRRPT Supervising Scientist, EnRad Labs Duke Energy [EnRad Logo.jpg] 13339 Hagers Ferry Rd Mail Stop MG03A2 Huntersville, NC 28078 Office: 980-875-6893 Mobile: 803-627-4832 From: Powernet [mailto:[email protected]] On Behalf Of Mosty, Shari via Powernet Sent: Tuesday, May 15, 2018 1:31 PM To: [email protected] Cc: Mosty, Shari Subject: [Powernet] Personal Air Samplers *** Exercise caution. This is an EXTERNAL email. DO NOT open attachments or click links from unknown senders or unexpected email. *** Comanche Peak would like to know if your site requires a flow calibration of a Personal Air Sampler prior to use and post, or only post use. Thanks in advance! Shari Mosty Sr. Health Physicist Comanche Peak Nuclear Power Plant 6322 N. FM 56 Glen Rose, Texas 76043 254.897.5204 [email protected]<mailto:[email protected]>
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