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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

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Hazardous Materials Enforcement

This notice amends the 1983 Edition of the Hazardous Materials Enforcement Manual to: (1) define explicitly the statutory base for regulation; (2) to require inspection of in process tank car manufacturing and repair facilities; (3) to amend the allocation of inspection resources; and (4) to...

Special Approvals

Similar in many aspects to a Department of Transportation Exemption (DOT-E), Special Approvals (SA) are granted or denied to parties seeking approval over a packaging or specific operational constraint. The fundamental difference lies in the manner of which the application is processed. For...

Comments on Molten Sulfur Rule Changes

This is in response to questions from the field requesting a clarification of the Hazardous Materials Regulations (HMR), concerning Docket HM-198 pertaining to molten sulfur.