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Pipeline Safety: Standards Update-PPI-TR 4 | Sporos

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Pipeline Safety: Standards Update-PPI-TR 4

This DFR amends PHMSA's regulations to incorporate by reference the updated industry standard PPI TR-4, PPI HSB Listing of Hydrostatic Design Basis (HDB), Hydrostatic Design Stress (HDS), Strength Design Basis (SDS), Pressure Design Basis (PDB) and Minimum Required Strength (MRS) Ratings For Thermoplastic Piping Materials or Pipe. 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.

Published

Jul 1, 2025

Effective

Jan 1, 2026

Comments Close

Sep 2, 2025

Citation

90 FR 28075

Agencies

2025-12079Pipeline Safety: Standards Update-PPI-TR 4

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Agencies (2)

PHMSA — Pipeline and Hazardous Materials Safety Administration

DOT — Transportation Department

Topics

Incorporation by reference Natural gas Pipeline safety

Docket IDs

Docket No. PHMSA-2025-0132

Amdt. No. 192-153

Regulation ID Numbers (RINs)

2137-AG01

CFR References

49 CFR 192

Document Details

Type: Final Rule
Action: Direct final rule (DFR); request for comments.
Document #: 2025-12079
Citation: 90 FR 28075
Publication Date: Jul 1, 2025
Effective Date: Jan 1, 2026
Dates: The DFR is effective January 1, 2026, unless adverse comments are received by September 2, 2025. If adverse comments are received, notification will be published in the Federal Register before the effective date either withdrawing the rule (in its entirety or portions thereof) or issuing a new final rule which responds to adverse comments. The incorporation by reference of certain material listed in this rule is approved by the Director of the Federal Register as of January 1, 2026.
Federal Register Pages: Vol. 90, pp. 28075–28079
Page Views: 374

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