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Regulatory explainers

PHMSA Drug and Alcohol Testing Requirements for Contractors

Explains when Part 199 applies, which roles are covered, and how operator contracts affect implementation.

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What “PHMSA Drug and Alcohol Testing Requirements for Contractors” covers

[Prototype placeholder] Sample explanation of when 49 CFR Part 199 applies, which contractor roles are typically covered, and how operator contracts shape implementation.

Regulatory explainers: how this guide is used

[Prototype placeholder] Confirm current requirements with PHMSA and the applicable operator; this is prototype text only.

Requirements vary by operator, work scope, jurisdiction, and project. Confirm requirements with the applicable operator, regulator or licensing authority, and qualified advisors. These resources are informational and are not legal or regulatory advice.
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