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2026-07-31 · Rule · Federal Register document 2026-15573

Pipeline Safety: Standards Update-NACE SP0502

Transportation Department, Pipeline and Hazardous Materials Safety Administration

Official abstract: PHMSA is confirming the effective date for the DFR titled "Pipeline Safety: Standards Update--NACE SP0502," which published in the Federal Register on April 24, 2026. The DFR incorporates by reference into 49 CFR parts 192 and 195 the updated edition of industry standard NACE SP0502, Pipeline External Corrosion Direct Assessment Methodology.

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