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HM-200 and Higher
 
HM-200 Hazardous Materials in Interstate Commerce Feb 18, 1998
 
HM-201 Detection and Repair of Cracks, Pits, Corrosion, Lining, Flaws, Thermal Protection Flaws, and Other Defects of Tank Car Tanks Sep 21, 1995
 
HM-201B Shippers: Use of Tank Cars with Localized Thinning Sep 24, 1990
 
HM-202 Standards for Construction of Fireworks and Novelties; Approved for Transportation Oct 10, 1989
 
HM-203 Transportation of Hazardous Materials: Highway Routing Oct 12, 1994
 
HM-204 Recodification of Part 176--Includes Mil. Expl. by Vessel Jan 21, 1991
 
HM-205 Consolidation of Formal Hearing Dockets (OST) Jun 27, 1990
 
HM-206 Improvements to HM Identification Systems Jun 6, 1992
 
HM-206A Central Reporting System Jun 9, 1992
 
HM-206B Misc. Amdts. To Haz Communication System Jun 11, 2003
 
HM-206C Availability of Information for Hazardous Materials Transported by aircraft Feb 24, 2005
 
HM-206D Limited Extension of PIH Labeling Rqmts. Aug 22, 2001
 
HM-206E Revision of the Hazardous Waste Manifes Aug 8, 2001
 
HM-206F Revision of Requirements for Emergency Response Telephone Numbers Oct 19, 2009
 
HM-207 Amendments to HM Procedures and Regulations Feb 28, 1991
 
HM-207A Preemption Standards & Process Streamlining Aug 1, 1991
 
HM-207B Shipping Paper Retention Sep 12, 2001
 
HM-207C Exemptions, Approvals, Registration & Reporting Procedures -- Misc Amdts Sep 14, 1995
 
HM-207D Penalty Action Guidelines Mar 6, 1995
 
HM-207E Hazardous Materials Enforcement -- Ticketing Aug 21, 1995
 
HM-208 Registration of Shippers & Carriers Oct 10, 1991
 
HM-208A Revision of Registration Requirements Apr 1, 1994
 
HM-208B Revision of Registration Requirements Jan 30, 1995
 
HM-208C Hazardous Materials Transportation; Registration and Fee Assessment Program Apr 15, 1999
 
HM-208D Temporary Reduction of Registration Fees Dec 7, 2000
 
HM-208E Miscellaneous Revisions to Registration Requirements Sep 16, 2002
 
HM-208F Registration and Fee Assessment Program Aug 15, 2002
 
HM-208G Registration and Fee Assessment Program Jun 23, 2009
 
HM-208I Hazardous Materials: Temporary Reduction of Registration Fees Apr 19, 2013
 
HM-209 Public sector training & planning grants Mar 2, 1992
 
HM-210 Clarification of Rqmts for Ltd Qty Comp. Gases Oct 28, 1991
 
HM-211 Marine Pollutants Jan 31, 1992
 
HM-212 Tank cars and Cargo Tank Motor Vehicles Attendance Rqmts. Sep 14, 1992
 
HM-213 Requirements for Cargo Tanks Dec 4, 2001
 
HM-213A Cargo Tank Roll-over Damage Protection Requirements Nov 16, 1999
 
HM-213B Safety Requirements for External Product Piping on Cargo Tanks Transporting Flammable Liquids Feb 10, 2003
 
HM-213D Hazardous Materials: Safety Requirements for External Product Piping on Cargo Tanks Transporting Flammable Liquids; NPRM; extension of comment period Mar 17, 2011
 
HM-214 Oil Pollution Act: Spill Containment and Response Plans Feb 2, 1993
 
HM-215 IMO/ICAO Incorp. Dec 22, 1992
 
HM-215A Incorp. of Latest UN Recommendations Jul 18, 1994
 
HM-215B Harmonizations with UN Recommendations Oct 25, 1996
 
HM-215C Harmonizations with UN Recommendations Aug 19, 1998
 
HM-215D Harmonizations with UN Recommendations Oct 23, 2000
 
HM-215E Harmonization with UN, IMDG, ICAO Dec 3, 2002
 
HM-215F Revision and Reformatting of Requirements for the Authorization To Use International Transport Standards and Regulations Jan 27, 2006
 
HM-215G Harmonization with UN, IMDG, ICAO Jan 1, 2007
 
HM-215I Hazardous Materials: Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions Aug 31, 2006
 
HM-215J Hazardous Materials: Revision to Requirements for the Transportation of Batteries and Battery-Powered Devices; and Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions; Proposed Rule Jan 14, 2009
 
HM-215K Hazardous Materials: Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and the International Civil Aviation Organization Technical Instructions for the Safe Transport of Dangerous Goods by Air Jan 7, 2013
 
HM-215K, HM-215L, HM-218G and HM-219 Hazardous Materials: Corrections and Response to Administrative Appeals Oct 31, 2013
 
HM-215L Hazardous Materials: Harmonization with International Standards (RRR) Jan 7, 2013
 
HM-215M Hazardous Materials: Harmonization With International Standards (RRR) Aug 25, 2014
 
HM-216 Misc. Rail Changes Dec 19, 1995
 
HM-216B Hazardous Materials: Incorporating Rail Special Permits Into the Hazardous Materials Regulations Jun 25, 2012
 
HM-217 Labeling for 6.1, PG III Nov 8, 1993
 
HM-218 Miscellaneous Amendments Sep 30, 1999
 
HM-218A Unloading IM Portable Tanks on Motor Vehicles Feb 22, 2002
 
HM-218B RSPA-02-13773 [RIN 2137-AD73] Jan 21, 2003
 
HM-218C Miscellaneous Amendments to HMR Aug 12, 2005
 
HM-218D Shipping name and UN identification number for fuel mixtures composed of ethanol and gasoline to help emergency response personnel Jul 16, 2008
 
HM-218E Cargo Tank Motor Vehicle and Cylinder Issues; Petitions for Rulemakings Apr 12, 2007
 
HM-218F Hazardous Materials: Miscellaneous Amendments; Response to Appeals; Corrections Dec 28, 2011
 
HM-218G Hazardous Materials: Miscellaneous Amendments (RRR) Mar 11, 2013
 
HM-219 Revisions to approvals for Multi-unit tank car tanks May 8, 1995
 
HM-219 Hazardous Materials: Miscellaneous Petitions for Rulemaking (RRR) Mar 7, 2013
 
HM-220 Requirements for High Pressure Cylinders Feb 13, 2002
 
HM-220A Rewrite of ยง 173.34 Oct 1, 1996
 
HM-220B Cylinder Requirements May 23, 1996
 
HM-220C Filling of Propane Cylinders Jan 8, 2002
 
HM-220D Reqmnts for Maintenance, Visual Requal., and Repair of DOT Specification Cylinders Jun 2, 2003
 
HM-220E Cylinder Requirements Jun 12, 2006
 
HM-220F Aluminum Cylinders Manufactured of Aluminum Alloy 6351-T6 Aug 29, 2006
 
HM-221 Alternate Standards for Open Head Fiber Drums Sep 29, 1995
 
HM-221A Extension of Authority for Continued Use of Non-spec Fiber Drums Feb 29, 1996
 
HM-221B Use of Non-Spec Open-head Fiber Drum Packaging Aug 25, 1997
 
HM-222 Improving HM Safety Programs Apr 4, 1995
 
HM-222A Elimination of Unnecessary/Duplicate Regulations Oct 1, 1996
 
HM-222B Revision and Clarification of Obsolete/Confusing Regulations May 30, 1996
 
HM-223 Applicability of the HMR to Loading, Unloading, and Storage Apr 15, 2005
 
HM-223A Applicability of the Hazardous Materials Regulations to "Persons Who Offer" Hazardous Materials for Transportation in Commerce Jul 28, 2005
 
HM-224 Temporary Prohibition of Oxygen Generators in Air Commerce May 14, 1996
 
HM-224A Oxygen Generators Dec 30, 1996
 
HM-224B Transportation of Oxygen Cylinders on Aircraft Sep 28, 2007
 
HM-224C Transportation of Lithium Batteries Apr 2, 2002
 
HM-224D Hazardous Materials: Revision to Requirements for the Transportation of Batteries and Battery-Powered Devices; and Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions; Proposed Rule Jan 14, 2009
 
HM-224E Transportation of Lithium Batteries Dec 15, 2004
 
HM-224F Hazardous Materials: Transportation of Lithium Batteries Aug 6, 2014
 
HM-224G Chemical Oxygen Generators Oct 15, 2009
 
HM-225 Cargo Tank Motor Vehicles in Liquefied Compressed Gas Service Feb 19, 1997
 
HM-225A Safety Standards for Unloading Cargo Tank Motor Vehicles in Liquefied Compressed Gas Service Aug 18, 1997
 
HM-225B Continued Manufacture of MC-331 Cargo Tanks Jan 12, 1999
 
HM-226 Infectious Substances: International Harmonization and Bulk Packaging Sep 2, 1998
 
HM-226 Infectious Substances: International Harmonization and Bulk Packaging Sep 2, 1998
 
HM-226A Rewrite and Consolidation of Parts 174 and 177 May 19, 2005
 
HM-226A Infectious Substances; Harmonization With the United Nations Recommendations May 19, 2005
 
HM-227 Rewrite and Consolidation of Parts 174 and 177 - Terminated Oct 1, 2001
 
HM-228 Review and revision of Part 175 Revision of Requirements for Carriage by Aircraft Feb 26, 2002
 
HM-229 Revisions to the Incident Reporting Regulations and Incident Report Form (5800.1) Mar 23, 1999
 
HM-230 Compatibility with Latest IAEA and other Miscellaneous Changes of Radioactive Material Dec 28, 1999
 
HM-231 Miscellaneous Packaging Revisions Sep 30, 2010
 
HM-231A Combination Packages Containing Liquids Intended for Transport by Aircraft Apr 16, 2012
 
HM-232 Security Requirements for Offerors and Transporters of Hazardous Materials May 2, 2002
 
HM-232A Security Requirements for Motor Carriers Transporting Hazardous Materials Jul 16, 2002
 
HM-232B Revision to Periodic Tire Check Requirement Jul 16, 2002
 
HM-232C Enhancing Hazardous Materials Transportation Security May 5, 2003
 
HM-232E Enhancing Rail Transportation Safety and Security for Hazardous Materials Shipments Dec 21, 2006
 
HM-232F Risk-Based Adjustment of Transportation Security Plan Requirements Mar 9, 2010
 
HM-233 Incorporation of Exemptions Into Regulations Dec 4, 2003
 
HM-233A Incorporation of Special Permits Into Regulations May 14, 2010
 
HM-233B Hazardous Materials: Revisions of Special Permits Procedures; Response to Appeals; Corrections Jul 26, 2011
 
HM-233C Hazardous Materials: Incorporation of Certain Special Permits and Competent Authorities Into Regulations Mar 18, 2014
 
HM-233D Hazardous Materials: Requirements for the Safe Transportation of Bulk Explosives (RRR) Jul 15, 2014
 
HM-233E Hazardous Materials: Special Permit and Approvals Standard Operating Procedures and Evaluation Process Aug 12, 2014
 
HM-234 Hazardous Materials: Miscellaneous Amendments Pertaining to DOT Specification Cylinders (RRR) May 29, 2012
 
HM-237 Requirements for Lighters and Lighter Refills Aug 16, 2004
 
HM-238 Hazardous Materials: Requirements for Storage of Explosives During Transportation Jun 7, 2011
 
HM-240 PHMSA-2005-22208 Aug 8, 2006
 
HM-241 Hazardous Materials: Adoption of ASME Code Section XII and the National Board Inspection Code Mar 14, 2014
 
HM-242 Hazardous Materials: Combustible Liquids May 30, 2012
 
HM-243 Fuel Cell Cartridges and Systems Transported on Board Passenger Aircraft in Carry-On Baggage Apr 30, 2008
 
HM-244 Minor Editorial Corrections and Clarifications Oct 18, 2007
 
HM-244A Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications Oct 1, 2008
 
HM-244B Hazardous Materials: Minor Editorial Corrections and Clarifications Oct 16, 2009
 
HM-244D Hazardous Materials: Minor Editorial Corrections and Clarifications Sep 13, 2011
 
HM-244E Hazardous Materials: Minor Editorial Corrections and Clarifications (RRR) Oct 5, 2012
 
HM-244F Hazardous Materials: Minor Editorial Corrections and Clarifications (RRR) Oct 2, 2013
 
HM-245 Hazardous Materials: Incorporation of Certain Cargo Tank Special Permits Into Regulations Feb 1, 2011
 
HM-246 Improving the Safety of Railroad Tank Car Transportation of Hazardous Materials Apr 1, 2008
 
HM-247 Hazardous Materials: Cargo Tank Motor Vehicle Loading and Unloading Operations Feb 25, 2014
 
HM-250 Hazardous Materials: Compatibility With the Regulations of the International Atomic Energy Agency Jul 11, 2014
 
HM-251 Hazardous Materials: Enhanced Tank Car Standards and Operational Controls for High-Hazard Flammable Trains Aug 1, 2014
 
HM-251B Hazardous Materials: Oil Spill Response Plans for High-Hazard Flammable Trains Aug 1, 2014
 
HM-253 Hazardous Materials: Reverse Logistics (RRR) Sep 25, 2014
 
HM-254 Hazardous Materials: Approval and Communication Requirements for the Safe Transportation of Air Bag Inflators, Air Bag Modules, and Seat-Belt Pretensioners (RRR) Jul 30, 2013
 
HM-255 Hazardous Materials: Highway-Rail Grade Crossing; Safe Clearance Sep 25, 2013
 
HM-256 Hazardous Materials: Limiting the Use of Electronic Devices by Highway Feb 28, 2011
 
HM-256A Hazardous Materials: Restricting the Use of Cellular Phones by Drivers of Commercial Motor Vehicles in Intrastate Commerce Dec 2, 2011
 
HM-257 Hazardous Materials: Revision to Fireworks Regulations (RRR) Jul 16, 2013
 
HM-258 Hazardous Materials: Revision of Maximum and Minimum Civil Penalties Apr 17, 2013
 
HM-258A Hazardous Materials: Failure To Pay Civil Penalties Aug 7, 2014
 
HM-258B Hazardous Materials: Enhanced Enforcement Procedures - Resumption of Transportation Oct 2, 2013
 
HM-258C Hazardous Materials: Penalty Guidelines Oct 2, 2013
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