In addition to the "weighted DAC-hours are expected to result in ≥ 4 DAC-hours (10 mrem CEDE) per person" criteria, Palo Verde also uses the following conditions to perform a TEDE ALARA Evaluation / Review: work area conditions > 200,000 dpm/100cm2 beta / gamma, surface destroying activities when contamination levels are > 50,000 dpm/100 cm2 beta / gamma, and EPRI Level III Alpha Areas or Level II Alpha Areas with actual presence of alpha contamination or any potential fixed or hidden (legacy) alpha contamination.
********************************************************************** Seth J. Kanter, CHP, RRPT Sr. Health Physicist Palo Verde Nuclear Generating Station Mail Sta. 7397 5801 S. Wintersburg Rd. Tonopah, AZ 85354 Phone (623) 393-3130 Cell (602) 376-7131 Fax (623) 393-1853 Unless otherwise noted, all opinions are my own Liviu Librescu ********************************************************************** From: [email protected] [mailto:[email protected]] On Behalf Of Beckham, Bob Sent: Tuesday, January 15, 2013 6:40 AM To: [email protected] Subject: Powernet: TEDE/ALARA Evaluation Duke Energy would appreciate any information other utilities can provide on the following: Duke fleet procedure calls for TEDE/ALARA evaluation if weighted DAC-hours are expected to result in ≥ 4 DAC-hours (10 mrem CEDE) per person. Anyone using different criteria, methods, values? Bob Beckham | Scientist | Fleet Scientific Services | Radiation Protection | Duke Energy Carolinas, LLC 526 S. Church St. | Mail Stop EC07F | Charlotte, NC 28202 | 704-382-6713 office | 704-453-6002 cell --- 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.
