2137-AF71 202504 Unified Agenda of Federal Regulatory and Deregulatory Actions 2137 Pipeline and Hazardous Materials Safety Administration PHMSA 2100 Department of Transportation DOT Pipeline Safety-Potential Impact Areas for Gas and Highly Volatile Liquid Pipelines

This rulemaking action would update PHMSA’s regulations governing the identification of the zone around pipelines vulnerable to significant impact on persons and property (the potential impact radius, or PIR) by (1) amending the existing calculation of the PIRs for gas pipelines in 49 CFR part 192 and (2) introducing within 49 CFR part 195 a methodology for determining PIRs for highly volatile liquid (HVL) and carbon dioxide pipelines.

]]> Substantive, Nonsignificant Previously Published in The Unified Agenda Long-Term Actions Undetermined Undetermined Regulatory Not Yet Determined 49 U.S.C. 60101 et seq. No Next Stage Undetermined To Be Determined Undetermined Undetermined Undetermined No No Robert Jagger Senior Transportation Specialist 2137 Pipeline and Hazardous Materials Safety Administration PHMSA 202 557-6765 robert.jagger@dot.gov 1200 New Jersey Avenue SE, Washington DC 20590