3150-AH29 200910 The Regulatory Plan and the Unified Agenda of Federal Regulatory and Deregulatory Actions 3150 Nuclear Regulatory Commission NRC Large Break Loss-of-Coolant Accident (LB-LOCA) Redefinition [NRC-2004-0006] Substantive, Nonsignificant Previously Published in The Unified Agenda Final Rule Stage No No 10 CFR 50 42 USC 2201 42 USC 5841 No NPRM 11/07/2005 70 FR 67597 NPRM Comment Period End 02/06/2006 NPRM Comment Period Extended 01/25/2006 71 FR 4061 NPRM Comment Period End 03/08/2006 Supplemental NPRM 08/10/2009 74 FR 40006 Supplemental NPRM Comment Period End 09/24/2009 Supplemental NPRM Comment Period Extended 10/07/2009 74 FR 51522 Supplemental NPRM Extended Comment Period End 01/22/2010 Final Rule 08/00/2010 No No None No No No Richard Dudley F. 3150 Nuclear Regulatory Commission NRC 301 415-1116 richard.dudley@nrc.gov Office of Nuclear Reactor Regulation, Washington DC 20555-0001