# Plains All American GP LLC — Pipeline Safety Interpretation - **operation:** document - **citation:** PI-17-0014 - **title:** Plains All American GP LLC — Pipeline Safety Interpretation - **source type:** guidance - **agency:** Pipeline and Hazardous Materials Safety Administration - **status:** guidance - **official:** true - **published on:** 2025-09-12 - **effective on:** Not available - **summary:** PI-17-0014 response to Plains All American GP LLC concerning 195.452. - **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-17-0014.json - **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-17-0014.md - **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-17-0014 - **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/2025-10/Plains-PI-17-0014-04-26-2018-Part195.452-Withdrawal-with-Signature1.pdf **body:** <<>> U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration Mr. Wm. Dean Gore, Jr. Vice President, Environmental & Regulatory Compliance Plains All American GP LLC 333 Clay Street, Suite 1600 Houston, Texas 77210-4648 Re: Withdrawal of Interpretation Letter PI-17-0014 Dear Mr. Gore: On April 26, 2018, PHMSA responded to your request for an interpretation of the Federal pipeline safety regulations in 49 Code of Federal Regulations (CFR) part 195 with respect to the scope of the 180-day evaluation and remediation requirement in § 195.452(h)(4)(iii)(H) - Corrosion of or along a longitudinal seam weld. This letter is to inform you that PHMSA has withdrawn the response to your interpretation letter. PHMSA has issued a Frequently Asked Question (FAQ) on Corrosion along a Longitudinal Seam, FAQ 7.16, to further address the issue. 1200 New Jersey Avenue, SE Washington, DC 20590 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 The Pipeline and Hazardous Materials Safety Administration, Office of Pipeline Safety provides written clarifications of the Regulations (49 CFR Parts 190-199) in the form of interpretation letters. These letters reflect the agency’s current application of the regulations to the specific facts presented by the person requesting the clarification. Interpretations do not create legally-enforceable rights or obligations and are provided to help the public understand how to comply with the regulations. - **truncated:** false - **body characters:** 1579