| 10/22/2012 | Hazardous Materials: Incorporation of Certain Special Permits and Competent Authorities Into Regulations | Proposed Rule | 107, 172, 173, 175, 178 | 
			
																																				| 10/05/2012 | Hazardous Materials: Minor Editorial Corrections and Clarifications (RRR) | Rule | 107, 171, 172, 173, 175, 178, 179 | 
			
																																				| 08/15/2012 | Hazardous Materials: Harmonization with International Standards (RRR) | Proposed Rule | 171, 172, 173, 175, 176, 178 | 
			
																																				| 06/25/2012 | Hazardous Materials: Incorporating Rail Special Permits Into the Hazardous Materials Regulations | Rule | 171, 172, 173, 174, 179, 180 | 
			
																																				| 05/25/2012 | Hazardous Materials: Harmonization With the United Nations Recommendations on the Transport of Dangerous Goods: Model Regulations, International Maritime Dangerous Goods Code, and the International Civil Aviation Organization Technical Instructions for the Safe Transport of Dangerous Goods by Air | Proposed Rule | 171, 172, 173, 175, 176, 178 | 
			
																																				| 05/24/2012 | Hazardous Materials: Miscellaneous Petitions for Rulemaking (RRR) | Proposed Rule | 171, 172, 173, 174, 175, 176, 178, 180 | 
			
																																				| 04/26/2012 | Hazardous Materials; Miscellaneous Amendments (RRR) | Proposed Rule | 105, 171, 172, 173, 177, 178, 180 | 
			
																																				| 12/02/2011 | Drivers of CMVs: Restricting the Use of Cellular Phones | Rule | 177 | 
			
																																				| 08/18/2011 | Hazardous Materials: Incorporating Rail Special Permits Into the Hazardous Materials Regulations | Proposed Rule | 171, 172, 173, 174, 179, 180 | 
			
																																				| 08/12/2011 | Hazardous Materials Regulations; Compatibility With the Regulations of the International Atomic Energy Agency | Proposed Rule | 171, 172, 173, 174, 175, 176, 177, 178 | 
			
																																				| 07/20/2011 | Hazardous Materials; Miscellaneous Amendments | Rule | 107, 171, 172, 173, 174, 177, 178, 180 | 
			
																																				| 01/19/2011 | 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 | Rule | 171, 172, 173, 175, 176, 178, 180 | 
			
																																				| 09/30/2010 | Hazardous Material; Miscellaneous Packaging Amendments | Rule | 171, 173, 178 | 
			
																																				| 09/29/2010 | Hazardous Materials; Miscellaneous Amendments | Proposed Rule | 107, 171, 172, 173, 174, 177, 178, 180 | 
			
																																				| 09/01/2010 | Hazardous Materials: Minor Editorial Corrections and Clarifications | Rule | 107, 171, 172, 173, 176, 177, 179, 180 | 
			
																																				| 08/24/2010 | 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 | Proposed Rule | 171, 172, 173, 175, 176, 178, 180 | 
			
																																				| 02/02/2010 | Hazardous Material; Miscellaneous Packaging Amendments | Rule | 171, 172, 173, 174, 178 | 
			
																																				| 01/04/2010 | 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; Correction | Rule | 171, 172, 173, 175, 178 | 
			
																																				| 10/16/2009 | Hazardous Materials: Minor Editorial Corrections and Clarifications | Rule | 107, 171, 172, 173, 174, 180 | 
			
																																				| 04/09/2009 | Hazardous Materials: Miscellaneous Cargo Tank Motor Vehicle and Cylinder Issues; Petitions for Rulemaking | Rule | 171, 173, 176, 178, 180 | 
			
																																				| 01/14/2009 | 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 | Rule | 171, 172, 173, 175, 176, 178 | 
			
																																				| 10/01/2008 | Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications | Rule | 171, 172, 173, 175, 176, 178, 179, 180 | 
			
																																				| 07/31/2008 | 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 | 171, 172, 173, 175, 176, 178 | 
			
																																				| 01/28/2008 | Hazardous Materials; Miscellaneous Amendments | Rule | 171, 172, 173, 175, 177, 178, 180 | 
			
																																				| 10/01/2007 | Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications | Rule | 105, 106, 107, 110, 130, 171, 172, 173, 174, 175, 176, 178, 179, 180 | 
			
																																				| 09/28/2007 | Hazardous Materials Regulations: Transportation of Compressed Oxygen, Other Oxidizing Gases and Chemical Oxygen Generators on Aircraft | Rule | 173, 175, 178 | 
			
																																				| 04/12/2007 | Hazardous Materials: Miscellaneous Cargo Tank Motor Vehicle and Cylinder Issues; Petitions for Rulemaking | Proposed Rule | 107, 171, 172, 173, 176, 178, 180 | 
			
																																				| 01/31/2007 | Hazardous Materials Regulations: Transportation of Compressed Oxygen, Other Oxidizing Gases and Chemical Oxygen Generators on Aircraft | Rule | 171, 172, 173, 175, 178 | 
			
																																				| 12/29/2006 | Hazardous Materials: Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Oganization's Technical Instructions | Rule | 171, 172, 173, 175, 176, 178, 180 | 
			
																																				| 09/25/2006 | Hazardous Materials; Miscellaneous Amendments | Proposed Rule | 171, 172, 173, 175, 177, 178, 180 | 
			
																																				| 09/14/2006 | Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications | Rule | 107, 171, 172, 173, 175, 177, 178, 180 | 
			
																																				| 09/01/2006 | Hazardous Material; Miscellaneous Packaging Amendments | Proposed Rule | 171, 172, 173, 174, 178 | 
			
																																				| 08/31/2006 | Hazardous Materials: Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions | Proposed Rule | 171, 172, 173, 175, 176, 178, 180 | 
			
																																				| 08/29/2006 | Hazardous Materials: Aluminum Cylinders Manufactured of Aluminum Alloy 6351-T6 Used in SCUBA, SCBA, and Oxygen Services-Revised Requalification and Use Criteria | Rule | 173, 180 | 
			
																																				| 06/12/2006 | Hazardous Materials: Requirements for UN Cylinders | Rule | 107, 171, 172, 173, 178, 180 | 
			
																																				| 12/09/2005 | Hazardous Materials: Incorporation of Statutorily Mandated Revisions to the Hazardous Materials Regulations | Rule | 105, 106, 107, 110, 171, 172, 173, 174, 175, 176, 177, 178, 180 | 
			
																																				| 10/26/2005 | Hazardous Materials Regulations: Aluminum Cylinders Manufactured of Aluminum Alloy 6351-T6 Used in SCUBA, SCBA, Carbon Dioxide, and Oxygen Service-Revised Requalification and Use Criteria | Proposed Rule | 173, 180 | 
			
																																				| 09/23/2005 | Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications | Rule | 105, 106, 107, 110, 171, 172, 173, 176, 177, 178, 179, 180 | 
			
																																				| 06/14/2005 | Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions; Correction; Final Rule | Rule | 172, 173, 175, 176, 178, 180 | 
			
																																				| 06/13/2005 | Hazardous Materials; Miscellaneous Amendments | Rule | 171, 172, 173, 178, 179, 180 | 
			
																																				| 03/09/2005 | Hazardous Materials: Requirements for UN Cylinders | Proposed Rule | 107, 171, 172, 173, 178, 180 | 
			
																																				| 12/20/2004 | Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions | Rule | 171, 172, 173, 175, 176, 178, 180 | 
			
																																				| 09/07/2004 | Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications | Rule | 106, 107, 171, 172, 173, 178, 179, 180 | 
			
																																				| 08/12/2004 | Hazardous Materials; Miscellaneous Amendments | Proposed Rule | 171, 172, 173, 178, 179, 180 | 
			
																																				| 06/22/2004 | Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions | Proposed Rule | 171, 172, 173, 175, 176, 178, 180 | 
			
																																				| 06/22/2004 | Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions | Rule | 171, 172, 173, 178 | 
			
																																				| 05/06/2004 | Hazardous Materials Regulations: Transportation of Compressed Oxygen, Other Oxidizing Gases and Chemical Oxygen Generators on Aircraft | Proposed Rule | 171, 172, 173, 175, 178 | 
			
																																				| 01/26/2004 | Hazardous Materials Regulations; Compatibility With the Regulations of the International Atomic Energy Agency | Rule | 171, 172, 173, 174, 175, 176, 177, 178 | 
			
																																				| 12/31/2003 | Hazardous Materials: Matter Incorporated by Reference | Rule | 171, 172, 173, 174, 175, 176, 177, 178, 179, 180 | 
			
																																				| 10/30/2003 | Applicability of the Hazardous Materials Regulations to Loading, Unloading, and Storage | Rule | 171, 173, 174, 175, 176, 177, 178 |