Hazardous Materials Regulations, Early 49 CFR

The Hazardous Materials Regulations (HMR) Parts 100-185 early edition govern the transportation of hazardous materials in interstate, intrastate, and foreign commerce in all modes of transportation – air, highway, rail, and water. The HMR is divided into for areas, including hazardous materials identification and classification, hazard communication, packaging requirements, and operational rules.