{"operation":"document","citation":"91 FR 48306","title":"Pipeline Safety: Standards Update-ASME B31.4","source_type":"rulemaking","agency":"Pipeline and Hazardous Materials Safety Administration","status":"historical","official":true,"published_on":"2026-07-31","effective_on":"2026-07-31","summary":"PHMSA is withdrawing the DFR titled \"Pipeline Safety: Standards Update--ASME B31.4,\" which published on April 24, 2026.","machine_formats":{"json":"https://regulus.evalyn.ai/document/federal-register-2026-15579.json","markdown":"https://regulus.evalyn.ai/document/federal-register-2026-15579.md"},"app_url":"https://regulus.evalyn.ai/document/federal-register-2026-15579","source_url":"https://www.federalregister.gov/documents/2026/07/31/2026-15579/pipeline-safety-standards-update-asme-b314","body":"Federal Register, Volume 91 Issue 146 (Friday, July 31, 2026) [Federal Register Volume 91, Number 146 (Friday, July 31, 2026)] [Rules and Regulations] [Page 48306] From the Federal Register Online via the Government Publishing Office [ www.gpo.gov ] [FR Doc No: 2026-15579] ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Pipeline and Hazardous Materials Safety Administration 49 CFR Part 195 [Docket No. PHMSA-2026-1535] RIN 2137-AG39 Pipeline Safety: Standards Update--ASME B31.4 AGENCY: Pipeline and Hazardous Materials Safety Administration (PHMSA), Department of Transportation (DOT). ACTION: Withdrawal of direct final rule (DFR). ----------------------------------------------------------------------- SUMMARY: PHMSA is withdrawing the DFR titled ``Pipeline Safety: Standards Update--ASME B31.4,'' which published on April 24, 2026. DATES: Effective July 31, 2026, PHMSA withdraws the DFR published at 91 FR 22039 on April 24, 2026. FOR FURTHER INFORMATION CONTACT: Brianna Wilson, Transportation Specialist, by phone at 771-215-0969 or by email at [email protected] . SUPPLEMENTARY INFORMATION: PHMSA is withdrawing the DFR titled ``Pipeline Safety: Standards Update--ASME B31.4,'' which published on April 24, 2026 (91 FR 22039). A comment on the DFR provided technical justification to recommend that PHMSA await clarification by the standard developing organization to the expansion stress provisions in the 2022 edition of the standard.\\1\\ Because PHMSA received adverse comment, PHMSA is withdrawing the DFR in accordance with 49 CFR 190.339. --------------------------------------------------------------------------- \\1\\ American Petroleum Institute & Liquid Energy Pipeline Association, Comments, Docket ID PHMSA-2026-1535-0003 (June 23, 2026). Pipeline Safety Trust also commented opposing the DFR. Comments, Docket ID PHMSA-2026-1535-0002 (June 23, 2026). --------------------------------------------------------------------------- List of Subjects in 49 CFR Part 195 Anhydrous ammonia, Carbon dioxide, Incorporation by reference, Petroleum, Pipeline safety 0 Accordingly, as of July 31, 2026, PHMSA withdraws the DFR amending 49 CFR Part 195, which published at 91 FR 22039 on April 24, 2026. Issued in Washington, DC under authority delegated in 49 CFR 1.97. Keith J. Coyle, Chief Counsel. [FR Doc. 2026-15579 Filed 7-30-26; 8:45 am] BILLING CODE 4910-60-P","truncated":false,"body_characters":2434}