Nuclear Regulatory Commission June 17, 2013 – Federal Register Recent Federal Regulation Documents

The U.S. Nuclear Regulatory Commission (NRC) is issuing revision 2 of Regulatory Guide (RG) 1.137, ``Fuel Oil Systems for Emergency Power Supplies.'' Revision 2 of RG 1.137 endorses ANSI/ANS- 59.51-1997, ``Fuel Oil Systems for Safety-Related Emergency Diesel Generators,'' (reaffirmed in October 2007) with the exceptions and clarification stated in the RG. ANSI/ANS-59.51-1997 describes methods that the NRC considers acceptable for use in complying with NRC regulations for assuring the quality of fuel oil for emergency diesel generators used in nuclear power plants.