Regulacje i polityka gospodarcza · 2.10.2025
Pipeline Safety: Standards Update-PPI-TR 4
The Pipeline and Hazardous Materials Safety Administration (PHMSA) has confirmed the effective date for the updated regulation incorporating the Plastic Pipe Institute (PPI) Technical Report (TR)-4, which outlines the hydrostatic design basis for thermoplastic piping materials. The regulation, published in the Federal Register on July 1, 2025, aims to enhance pipeline safety standards.