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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 standard Plastic Pipe Institute (PPI) Technical Report (TR)-3, "Policies and Procedures for Developing Hydrostatic Design Basis (HDB), Hydrostatic Design Stresses (HDS), Pressure Design Basis (PDB), Strength Design Basis (SDB), Minimum Required Strength (MRS) Ratings, and Categorized Required Strength (CRS) for Thermoplastic Piping Materials or Pipe."
Published
Oct 2, 2025
Effective
Jan 1, 2026
Citation
90 FR 47621
Agencies
2
Full text not available in our database.
View on Federal Register →Get a plain-English explanation of what this regulation does, which agencies are responsible, and how it affects existing rules.
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Docket No. PHMSA-2025-0131
2137-AG00
49 CFR 192