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Notifies that NRC consultant review of util rept on SEP Topics II-4.A & II-4.C re seismic considerations,finds util site-specific spectra proposed for seismic analysis unacceptable.NRC spectrum is appropriate level.

Accession Number: ML20010F580

Date Released: Thursday, October 24, 2024

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• ML20010F579 - Notifies that NRC consultant review of util rept on SEP Topics II-4.A & II-4.C re seismic considerations,finds util site-specific spectra proposed for seismic analysis unacceptable.NRC spectrum is appropriate level. (4 page(s), 9/4/1981)
• ML20010F582 - Disagrees w/conclusions of YAEC-1263, "Seismic Response Spectra for Yankee Nuclear Power Station,Rowe,MA." NUREG/CR-1582 provides better representation of 1000-yr return spectrum. (4 page(s), 8/5/1981)
• ML20010F583 - Forwards WJ Hall 810725 ltr questioning continued operation of facility due to seismic considerations.Composite spectrum presented in YAEC-1263 is deficient in acceleration & velocity controlled regions. (3 page(s), 7/31/1981)