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Section 2. Task Action Plan Items-
Item A-9: ATWS (Rev. 2)
Resolution of Generic Safety Issues: Item A-9: ATWS (Rev. 2) ( NUREG-0933, Main Report with Supplements 1–35 )
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EXPORT AND PRINT
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DESCRIPTION
The technical report on ATWS for water-cooled reactors (WASH-1270)751 discussed the probability of an ATWS event as well as an appropriate safety objective for the event. After several years of discussions with vendors and evaluations of vendor models and analyses, the staff published a status report on each vendor analysis in 1975. This report included detailed guidelines on analysis models and ATWS safety objectives. This item was originally identified in NUREG-03712 and was later declared a USI in NUREG-0510.186
CONCLUSION
The staff's technical findings were published in Volume 4 of NUREG-0460 704 and the USI was RESOLVED with the publication of a final rule. 724,725
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