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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Hazardous Materials: Cargo Tank Motor Vehicle Loading and Unloading Operations

Notice of proposed rulemaking; extension of comment period.

On March 11, 2011, PHMSA published a notice of proposed rulemaking (NPRM) seeking public comment on a proposal to amend the HMR requirements for cargo tank loading or unloading operations. PHMSA is notifying the public of our intent to extend the comment period by 30 days for a notice of proposed rulemaking published on March 11, 2011.

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