Regulatory Guide: Monitoring of Combustible Gases and Vapors in Plutonium Processing and Fuel Fabrication Plants

Document 2024-22246 is a Final Rule published by the Nuclear Regulatory Commission in the Federal Register on September 30, 2024. The U.S. Nuclear Regulatory Commission (NRC) is issuing Revision 1 to Regulatory Guide (RG) 3.7, "Monitoring of Combustible Gases and Vapors in Plutonium Processing and Fuel Fabrication Plants," in which there are minor corrections with no substantive changes in the NRC staff's regulatory positions. RG 3.7 provides guidance with regard to protecting against the possibility of the formation of flammable mixtures with combustible gases and vapors. This guidance is needed to protect against the possibility of the formation of flammable mixtures with these gases and vapors when combustible gases and solvents are used within the confinement barriers of a plutonium processing and fuel fabrication plant. View the original at https://www.federalregister.gov/documents/2024/09/30/2024-22246/regulatory-guide-monitoring-of-combustible-gases-and-vapors-in-plutonium-processing-and-fuel.

No. Document 2024-22246 is not classified as economically significant under Executive Order 12866. Economically significant rules require OIRA review and are estimated to have impacts of $100 million or more per year.