Pipeline Safety: Standards Update-API RP 1170 and API RP 1171
pipeline-safety · Pipeline and Hazardous Materials Safety Administration · Published 2025-10-02 · Effective 2026-01-01 · 90 FR 47622
Document
Document number
2025-19340
Federal Register citation
90 FR 47622
CFR reference
49 CFR 192
Type
Rule
Action
Direct final rule (DFR); confirmation of effective date.
Category
pipeline-safety
Sub-agency
Pipeline and Hazardous Materials Safety Administration
Publication date
2025-10-02
Effective date
2026-01-01
DOT docket
Docket No. PHMSA-2025-0120
Abstract
PHMSA is confirming the effective date for the DFR that appeared in the Federal Register on July 1, 2025. The DFR amended PHMSA's regulations at 49 CFR part 192 to incorporate by reference the updated industry standards American Petroleum Institute (API) recommended practice (RP) 1170, "Design and Operation of Solution- mined Salt Caverns Used for Natural Gas Storage," and API RP 1171, "Functional Integrity of Natural Gas Storage in Depleted Hydrocarbon Reservoirs and Aquifer Reservoirs."