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[Header] PHMSA - U.S. Department of Transportation - Pipeline and Hazardous materials Safety Adminis
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As a part of PHMSA's ongoing efforts to build partnerships and promote agency transparency, these pages are dedicated to providing a one-stop shop for all PHMSA guidance. These pages help PHMSA and PHMSA stakeholders work together in original, bold, and energetic ways to enhance PHMSA's data-driven, risk-based, systematic approach to safety.

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