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Responds to 810827 memo re Director denial of 2.206 relief (SECY-81-453),re estimates of tornado strike probability. Description of how tornado probability was calculated by Accident Evaluation Branch encl.

Accession Number: ML20031E453

Date Released: Sunday, November 8, 2020

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• ML20031E452 - Responds to 810827 memo re Director denial of 2.206 relief (SECY-81-453),re estimates of tornado strike probability. Description of how tornado probability was calculated by Accident Evaluation Branch encl. (3 page(s), 10/5/1981)
• ML20031E455 - Requests basis for tornado strike probability,to clarify Director decision.Response to be submitted by 810925. (1 page(s), 8/27/1981)
• ML20031E456 - Advises of Commission decision not to review Director denial of 2.206 relief (SECY-81-453).Tornado strike probability should be clarified. (1 page(s), 8/27/1981)