National Grid — Pipeline Safety Interpretation

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Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

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Page 1U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration 1200 New Jersey Avenue, SE Washington, DC 20590 February 11, 2025 Mr. Michael Kern Director, Gas Transmission Engineering and Design National Grid 25 Hub Drive Melville, NY 11747 Re: Withdrawal of Interpretation Letter PI-22-0014 Dear Mr. Kern: On October 5, 2022, PHMSA responded to your request for an interpretation of the federal pipeline safety regulations in 49 Code of Federal Regulations (CFR) part 192 with respect to the traceable, verifiable, and complete (TVC) documentation requirements at §§ 192.517(a) and 192.624(a) for onshore steel gas transmission pipelines. This letter is to inform you that PHMSA has withdrawn that response to further consider the matter. PHMSA will provide further information upon completion of its review. If we can be of further assistance, please contact Joseph Berry at 720-601-3577. Sincerely, John A. Gale Director, Office of Standards and Rulemaking#

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