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HazMat

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Hazmat Transportation Requirements PDF

Condenses information from our most popular publications into an easy to read, 8-page brochure that includes Training requirements, Preparing shipping papers, Using the hazardous materials table, Performance packaging codes, and marking, labeling, and placarding.

Community Liaisons (CLs)

About

PHMSA's Community Liaisons (CLs) are responsible for face-to-face outreach and field compliance assistance on the Hazardous Materials Regulations (HMR). Their goal is to improve hazardous materials transportation safety and security through increased communication and education. CLs...

MR Number Brochure PDF

PHMSA no longer issues R-number Approvals and has transitioned to M-number Approvals that include expiration dates in an effort to accurately locate and verify manufacturing facilities prior to performing safety inspections.

Transporting Infectious Substances Safely

This brochure describes the USDOT regulations for the classification criteria and packaging requirements for the transportation of infectious substances, 49 CFR, Parts 171-180.

PHMSA Cautions Against Refilling DOT 39 Cylinders

PHMSA cautions the public to never refill DOT 39 cylinders, such as the 1lb. cylinders used for camping.  While many types of propane cylinders are designed to be refilled, a DOT 39 cylinder of any size is strictly non-refillable.

How to Safely Send Batteries and Battery Powered Devices by Mail

PHMSA and the U.S. Postal Service collaborated on a set of safety guidelines for those wanting to mail lithium batteries. Persons wishing to ship lithium batteries and electronic devices containing lithium batteries should be aware that certain requirements must be met to ensure safety....

RAM Review 2008

This review provides guidance on the Department of Transportation (DOT) Hazardous Materials Regulations (HMR) contained in Title 49, Code of Federal Regulations (49 CFR) Parts 171-185, which govern the packaging and shipment of radioactive material. These materials have an excellent safety...

Wetlines Awareness for Emergency Responders

This brochure, developed in partnership with the National Tank Truck Carriers, Inc., the National Association of State Fire Marshals, and the International Association of Fire Chiefs, provides general awareness to emergency responders regarding wetlines. Wetlines are external piping located...