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Alternative MAOP FAQs
These Frequently Asked Questions (FAQs) are intended to clarify, explain, and promote better understanding of issues concerning implementation of the Alternative MAOP Rule. These FAQs are not substantive rules and do not create rights, assign duties, or impose new...
PHMSA is issuing this to owners and operators of gas and hazardous liquid pipelines to consider the threat from stress corrosion cracking (SCC) when developing and implementing Integrity Management Plans.
Congress directed the Research and Special Programs Administration's (RSPA) Office of Pipeline Safety (OPS) to revise its pipeline safety regulations, if necessary, to allow operators to take alternative mitigation measures while they seek governmental permits required for repairs. As RSPA/OPS...
This site provides information about PHMSA's implementation of Control Room Management oversight, and links to other educational information on human factors and human operational performance.
High Volume Excess Flow Valves
Welcome. This site is administered by the Pipeline and Hazardous Materials Safety Administration (PHMSA).
Excess Flow Valves (EFVs) are safety devices installed on natural gas distribution pipelines to reduce the risk of accidents. EFVs are...
The FAQs contained on this page are intended to clarify, explain, and promote better understanding and implementation of the gas distribution pipeline integrity management (IM) and "Farm Tap" regulations contained in 49 CFR Part 192, SubPart P and § 192.740. These FAQs reflect PHMSA's current...
As required by the Paperwork Reduction Act of 1995 (PRA), the Pipeline and Hazardous Materials Safety Administration (PHMSA) published a notice in the Federal Register on December 4, 2009, under Docket No. PHMSA–2004–19854 of its intent to revise the agency's Gas Distribution System Annual...
This report was prepared for the American Gas Foundation by URS Corporation to provide an independent technical insight into natural gas distribution system integrity features and safety performance over the period 1990 to 2002. The specific scenarios examined in this report were based on...
This report examines the safety record of the natural gas distribution system over the period 1985 – 2003, with special emphasis on the incidents reported to the U.S. Department of Transportation's Office of Pipeline Safety (OPS) for the years 1999 through 2003. OPS contracted with Allegro...
Four multi-stakeholder work/study groups were established to collect and analyze available information and to reach findings and conclusions to inform future work by the PHMSA relative to implementing integrity management principles for gas distribution pipelines. The groups have concluded that...