Warning Letter involving MARATHON ASHLAND PIPE LINE LLC. PHMSA's enforcement data identifies the cited regulation as 195.452(b)(2). The case was opened on 2002-05-07 and is reported as closed as of 2002-05-07. Open the official case record for notices, responses, orders, and the latest status.

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Regulations1

Regulation

49 CFR 195.452

Pipeline integrity management in high consequence areas.

195.452(b)(2) · cited in enforcement

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Retrieved: Aug 20, 2026
Version: Source current

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