Lynn L. Bergeson, “Harmonizing DOT HMR International Standards,” Pollution Engineering, October 5, 2014.

On Aug. 25, 2014, the U.S. Department of Transportation’s (DOT) Pipeline and Hazardous Materials Safety Administration (PHMSA) issued a proposed rule seeking to harmonize the hazardous materials regulations (HMR) with international regulations and standards. The rule would revise proper shipping names, hazard classes, packing groups, special provisions, packaging authorizations, air transport quantity limitations and vessel stowage requirements.