Pipeline Rules Updated for Safer Plastic Pipes Nationwide
Published Date: 7/1/2025
Rule
Summary
This update changes pipeline safety rules to include the latest PPI TR-4 standards for plastic pipes. It helps keep everyone safe, makes rules clearer, and cuts down on paperwork for companies. These changes affect pipeline operators and take effect soon, with no extra costs expected.
Analyzed Economic Effects
2 provisions identified: 2 benefits, 0 costs, 0 mixed.
Public Safety: Updated Pipe Standards
You are more protected because PHMSA amended pipeline safety rules to incorporate the updated PPI TR-4 standard for thermoplastic piping materials, including the PPI HSB listing of HDB, HDS, SDS, PDB, and MRS ratings. PHMSA says the updated standard will maintain or improve public safety.
Operators: Less Paperwork, No Added Costs
If you operate pipelines or run a company that works with plastic piping, PHMSA incorporated the updated PPI TR-4 standard to make rules clearer and reduce paperwork and compliance burdens for operators. The agency says these changes take effect soon and that no extra costs are expected for stakeholders.
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Key Dates
Department and Agencies
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