[Header] PHMSA - U.S. Department of Transportation - Pipeline and Hazardous materials Safety Adminis
Rulemaking Archive

The Office of Hazardous Materials Safety provides copies in PDF format of every rulemaking action issued since November 1967 that affected the HMR. Rulemaking actions within the last 5 years are available in the Federal Register and are also linked here.

Recent Updates
HM-263 Hazardous Materials: FAST Act Requirements for Real-Time Train Consist Information by Rail Jan 19, 2017
HM-251D Hazardous Materials: Volatility of Unrefined Petroleum Products and Class 3 Materials Jan 18, 2017
HM-259 Hazardous Materials: Notification of the Pilot-in-Command and Response to Air Related Petitions for Rulemaking (RRR) Dec 5, 2016
HM-213E Hazardous Materials: PIPES Act Requirements for Identification Numbers on Cargo Tanks Containing Petroleum Based Fuel Nov 21, 2016
HM-209A Hazardous Materials: Revisions to Hazardous Materials Grants Requirements (RRR) Oct 11, 2016
HM-215N Hazardous Materials: Harmonization With International Standards (RRR) Sep 7, 2016
HM-251C Hazardous Materials: FAST Act Requirements for Flammable Liquids and Rail Tank Cars Aug 15, 2016
HM-251B Hazardous Materials: Oil Spill Response Plans and Information Sharing for High-Hazard Flammable Trains Jul 29, 2016
HM-234 Hazardous Materials: Miscellaneous Amendments Pertaining to DOT Specification Cylinders (RRR) Jul 26, 2016
HM-219A Hazardous Materials: Miscellaneous Petitions for Rulemaking (RRR) Jun 30, 2016
HM-258D Hazardous Materials: Revision of Maximum and Minimum Civil Penalties Jun 29, 2016
HM-218H Hazardous Materials: Miscellaneous Amendments (RRR) Jun 2, 2016
HM-262 Hazardous Materials: Carriage of Battery-Powered Electronic Smoking Devices in Passenger Baggage May 19, 2016
HM-241 Hazardous Materials: Adoption of ASME Code Section XII and the National Board Inspection Code Apr 29, 2016
HM-261 Hazardous Materials: Incorporation by Reference Edition Update for the American Society of Mechanical Engineers Boiler and Pressure Vessel Code and Transportation Systems for Liquids and Slurries: Pressure Piping Code Apr 29, 2016
HM-253 Hazardous Materials: Reverse Logistics (RRR) Mar 31, 2016
HM-233F Hazardous Materials: Adoption of Special Permits (MAP-21) (RRR) Jan 21, 2016
HM-213D Hazardous Materials: Safety Requirements for External Product Piping on Cargo Tanks Transporting Flammable Liquids; Dec 30, 2015
HM-233D Hazardous Materials: Requirements for the Safe Transportation of Bulk Explosives (RRR) Dec 21, 2015
HM-260 Hazardous Materials: Editorial Corrections and Clarifications (RRR) Nov 23, 2015
HM-2137-AF12 Hazardous Materials: Carriage of Battery-Powered Electronic Smoking Devices in Passenger Baggage Oct 30, 2015
HM-233E Hazardous Materials: Special Permit and Approvals Standard Operating Procedures and Evaluation Process Sep 10, 2015
HM-251 Hazardous Materials: Enhanced Tank Car Standards and Operational Controls for High-Hazard Flammable Trains May 8, 2015
HM-224F Hazardous Materials: Transportation of Lithium Batteries Feb 20, 2015
HM-215M Hazardous Materials: Harmonization With International Standards (RRR) Jan 8, 2015
HM-258A Hazardous Materials: Failure To Pay Civil Penalties Aug 7, 2014
HM-250 Hazardous Materials: Compatibility With the Regulations of the International Atomic Energy Agency Jul 11, 2014
HM-233C Hazardous Materials: Incorporation of Certain Special Permits and Competent Authorities Into Regulations Mar 18, 2014
HM-247 Hazardous Materials: Cargo Tank Motor Vehicle Loading and Unloading Operations Feb 25, 2014
HM-215K, HM-215L, HM-218G and HM-219 Hazardous Materials: Corrections and Response to Administrative Appeals Oct 31, 2013