Summary of Responses to NRC Bulletin 87-01, "Thinning of Pipe Walls in Nuclear Power Plants"
… Responses to NRC Bulletin 87-01, "Thinning of Pipe Walls in Nuclear Power Plants" … UNITED STATES NUCLEAR REGULATORY COMMISSION … Duane Arnold BWR March 1974 elbows, reducers, straight runs Pilgrim 1 BWR June 1972 elbows Oyster Creek BWR May 1969 …