Request for CommentsPipeline Safety: Agency Information Collection Activities; Proposals, Submissions, and Approvals Notice; Request for Comments. Filed in Regulations.gov docket PHMSA-2012-0137.#

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PHMSA-2012-0137

U.S. Department of Transportation and Pipeline Hazardous Materials Safety Administration: 811 Awareness Survey

PHMSA-2012-0137 · filed in docket

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Retrieved: Aug 20, 2026
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