Palo Verde requests information on the following: During post-shutdown clean-up, do you use a target RCS concentration value to correlate when general area radiation levels along affected RHR piping may be low enough to survey and allow personnel access? Yes / No
If yes, 1) Is this target value contained in your outage schedule as a decision point to decide when to secure clean-up or to commence post clean-up surveys? 2) What is the pre-determined concentration based on, e.g., actual survey data, calculations, etc.? Kenneth Walter RP Technical Advisor, Radiological Engineering P.O. Box 52034, Tonopah, AZ 85354, M.S. 7663 Tel 623 393 5482 Fax 623 393 6640 [email protected]<mailto:[email protected]> --- 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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