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Comments on proposed Reg Guide 1.139:opposes regulation. Present plant designs are adequate.Safety-grade cooldown to cold shutdown conditions is not significant safety issue.

Accession Number: ML19291B010

Date Released: Friday, October 25, 2024

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• ML19291B008 - Comments on proposed Reg Guide 1.139:opposes regulation. Present plant designs are adequate.Safety-grade cooldown to cold shutdown conditions is not significant safety issue. (4 page(s), 8/4/1979)
• ML19291B012 - Comments on proposed Reg Guide 1.139:opposes regulation. Compounding of conservative assumptions is of too low probability to serve as viable design basis for plant. (6 page(s), 7/21/1979)
• ML19291B014 - Comments on proposed Reg Guide 1.139:guide should be revised.Term "cold shutdown" should be defined. (2 page(s), 7/27/1979)