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.
المصدر
https://www.federalregister.gov/documents/2026/07/31/2026-15573/pipeline-safety-standards-update-nace-sp0502الوثيقة الرسمية لدى الجهة التنظيمية. استشهد دائماً بهذا الرابط — لا بصفحة تفاصيل Vantage — في أدلة الامتثال.