Energia i regulacje · 2.08.2002

Combustible Gas Control in Containment

The U.S. Nuclear Regulatory Commission (NRC) proposes to amend its regulations for combustible gas control in power reactors applicable to current licensees and to set and consolidate combustible gas control regulations for future applicants and licensees. The proposed rule eliminates the requirements for hydrogen recombiners and hydrogen purge systems and relaxes the requirements for hydrogen and oxygen monitoring equipment to make them commensurate with their risk significance. This action stems from the Commission's ongoing effort to risk-inform its regulations, and is intended to reduce the regulatory burden on present and future power reactor licensees. In addition to the rulemaking and its associated analyses, the NRC is also proposing a draft regulatory guide, a draft standard review plan revision, and a Consolidated Line Item Improvement Process (CLIIP) for draft technical specifications changes to implement the proposed rule. The NRC is requesting comments on these documents as well as the proposed rulemaking.