Final rule · 2025-12074

Pipeline Safety: Standards Update-ASTM F2145

This DFR amends PHMSA's regulations to incorporate by reference the updated industry standard ASTM F2145, Standard Specification for Polyamide 11 and Polyamide 12 Mechanical Fittings for Use on Outside Diameter Controlled Polyamide 11 and Polyamide 12 Pipe and Tubing. This updated standard will maintain or improve public safety, prevent regulatory confusion, reduce compliance burdens on stakeholders, and satisfy a mandate in the National Technology Transfer and Advancement Act (NTTAA) of 1995.