| 10/02/2013				 | 
																																				Hazardous Materials Regulations: Penalty Guidelines				 | 
																																				Rule				 | 
																																				107				 | 
					
			
																																				| 10/02/2013				 | 
																																				Hazardous Materials: Minor Editorial Corrections and Clarifications (RRR)				 | 
																																				Rule				 | 
																																				107, 130, 171, 172, 173, 174, 177, 178, 179, 180				 | 
					
			
																																				| 09/25/2013				 | 
																																				Pipeline Safety: Administrative Procedures; Updates and Technical Corrections				 | 
																																				Rule				 | 
																																				190, 192, 193, 195, 199				 | 
					
			
																																				| 09/24/2013				 | 
																																				Hazardous Materials: Failure To Pay Civil Penalties				 | 
																																				Proposed Rule				 | 
																																				107, 109				 | 
					
			
																																				| 07/16/2013				 | 
																																				Hazardous Materials: Revision to Fireworks Regulations (RRR)				 | 
																																				Rule				 | 
																																				107, 171, 172, 173				 | 
					
			
																																				| 04/19/2013				 | 
																																				Hazardous Materials; Temporary Reduction of Registration Fees				 | 
																																				Rule				 | 
																																				107				 | 
					
			
																																				| 04/17/2013				 | 
																																				Hazardous Materials: Revision of Maximum and Minimum Civil Penalties				 | 
																																				Rule				 | 
																																				107, 171				 | 
					
			
																																				| 03/11/2013				 | 
																																				Hazardous Materials; Miscellaneous Amendments (RRR)				 | 
																																				Rule				 | 
																																				105, 171, 172, 173, 177, 178, 180				 | 
					
			
																																				| 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				 | 
					
			
																																				| 08/30/2012				 | 
																																				Hazardous Materials: Revision to Fireworks Regulations (RRR)				 | 
																																				Proposed Rule				 | 
																																				107, 172, 173				 | 
					
			
																																				| 08/13/2012				 | 
																																				Pipeline Safety: Administrative Procedures; Updates and Technical Corrections				 | 
																																				Proposed Rule				 | 
																																				190, 192, 193, 195, 199				 | 
					
			
																																				| 04/26/2012				 | 
																																				Hazardous Materials; Miscellaneous Amendments (RRR)				 | 
																																				Proposed Rule				 | 
																																				105, 171, 172, 173, 177, 178, 180				 | 
					
			
																																				| 04/02/2012				 | 
																																				Pipeline Safety: Pipeline Damage Prevention Programs				 | 
																																				Proposed Rule				 | 
																																				196, 198				 | 
					
			
																																				| 12/02/2011				 | 
																																				Drivers of CMVs: Restricting the Use of Cellular Phones				 | 
																																				Rule				 | 
																																				177				 | 
					
			
																																				| 09/13/2011				 | 
																																				Hazardous Materials: Minor Editorial Corrections and Clarifications				 | 
																																				Rule				 | 
																																				105, 106, 107, 130, 171, 172, 173, 174, 176, 177				 | 
					
			
																																				| 07/26/2011				 | 
																																				Hazardous Materials Transportation: Revisions of Special Permits Procedures; Response to Appeals; Corrections				 | 
																																				Rule				 | 
																																				107				 | 
					
			
																																				| 07/20/2011				 | 
																																				Hazardous Materials; Miscellaneous Amendments				 | 
																																				Rule				 | 
																																				107, 171, 172, 173, 174, 177, 178, 180				 | 
					
			
																																				| 01/05/2011				 | 
																																				Hazardous Materials Transportation: Revisions of Special Permits Procedures				 | 
																																				Rule				 | 
																																				105, 107, 171				 | 
					
			
																																				| 09/01/2010				 | 
																																				Hazardous Materials: Minor Editorial Corrections and Clarifications				 | 
																																				Rule				 | 
																																				107, 171, 172, 173, 176, 177, 179, 180				 | 
					
			
																																				| 07/27/2010				 | 
																																				Hazardous Materials Transportation: Revisions of Special Permits Procedures				 | 
																																				Proposed Rule				 | 
																																				105, 107, 171				 | 
					
			
																																				| 05/14/2010				 | 
																																				Hazardous Materials: Incorporation of Special Permits Into Regulations				 | 
																																				Rule				 | 
																																				105, 107, 171, 173, 174, 176, 177, 179				 | 
					
			
																																				| 03/30/2010				 | 
																																				Hazardous Materials Transportation; Registration and Fee Assessment Program				 | 
																																				Rule				 | 
																																				107				 | 
					
			
																																				| 02/02/2010				 | 
																																				Hazardous Materials Transportation; Registration and Fee Assessment Program				 | 
																																				Proposed Rule				 | 
																																				107				 | 
					
			
																																				| 12/29/2009				 | 
																																				Hazardous Materials: Adjustment of Maximum and Minimum Civil Penalties				 | 
																																				Rule				 | 
																																				107, 171				 | 
					
			
																																				| 12/22/2009				 | 
																																				Hazardous Materials: Incorporation of Special Permits Into Regulations				 | 
																																				Proposed Rule				 | 
																																				105, 107, 171, 173, 174, 176, 177, 179				 | 
					
			
																																				| 11/30/2009				 | 
																																				Pipeline Safety: Editorial Amendments to the Pipeline Safety Regulations.				 | 
																																				Rule				 | 
																																				190, 192, 195, 198				 | 
					
			
																																				| 01/16/2009				 | 
																																				Pipeline Safety: Administrative Procedures, Address Updates, and Technical Amendments				 | 
																																				Rule				 | 
																																				190, 191, 192, 193, 194, 195, 199				 | 
					
			
																																				| 05/05/2008				 | 
																																				Hazardous Materials Transportation; Registration and Fee Assessment Program				 | 
																																				Proposed Rule				 | 
																																				107				 | 
					
			
																																				| 03/28/2008				 | 
																																				Pipeline Safety: Administrative Procedures, Address Updates, and Technical Amendments				 | 
																																				Rule				 | 
																																				190, 191, 192, 193, 194, 195, 199				 | 
					
			
																																				| 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				 | 
					
			
																																				| 05/03/2007				 | 
																																				Hazardous Materials Transportation; Miscellaneous Revisions to Registration and Fee Assessment Program				 | 
																																				Rule				 | 
																																				107				 | 
					
			
																																				| 09/14/2006				 | 
																																				Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications				 | 
																																				Rule				 | 
																																				107, 171, 172, 173, 175, 177, 178, 180				 | 
					
			
																																				| 08/15/2006				 | 
																																				Hazardous Materials Transportation; Registration and Fee Assessment Program				 | 
																																				Proposed Rule				 | 
																																				107				 | 
					
			
																																				| 06/12/2006				 | 
																																				Hazardous Materials: Requirements for UN Cylinders				 | 
																																				Rule				 | 
																																				107, 171, 172, 173, 178, 180				 | 
					
			
																																				| 05/25/2006				 | 
																																				Hazardous Materials: Preemption Determinations; Procedural Regulations				 | 
																																				Rule				 | 
																																				107				 | 
					
			
																																				| 02/17/2006				 | 
																																				Hazardous Materials: Revisions to Civil and Criminal Penalties; Penalty Guidelines				 | 
																																				Rule				 | 
																																				107, 171				 | 
					
			
																																				| 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				 | 
					
			
																																				| 09/23/2005				 | 
																																				Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications				 | 
																																				Rule				 | 
																																				105, 106, 107, 110, 171, 172, 173, 176, 177, 178, 179, 180				 | 
					
			
																																				| 03/09/2005				 | 
																																				Hazardous Materials: Requirements for UN Cylinders				 | 
																																				Proposed Rule				 | 
																																				107, 171, 172, 173, 178, 180				 | 
					
			
																																				| 03/08/2005				 | 
																																				Agency Reorganization: Nomenclature Change and Technical Amendments				 | 
																																				Rule				 | 
																																				190, 191, 192, 193, 194, 195, 198, 199				 | 
					
			
																																				| 09/07/2004				 | 
																																				Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications				 | 
																																				Rule				 | 
																																				106, 107, 171, 172, 173, 178, 179, 180				 | 
					
			
																																				| 08/10/2004				 | 
																																				Pipeline Safety: Periodic Underwater Inspections				 | 
																																				Rule				 | 
																																				192, 195				 | 
					
			
																																				| 06/24/2004				 | 
																																				Pipeline Safety: Public Education Programs for Hazardous Liquid and Gas Pipeline Operators				 | 
																																				Proposed Rule				 | 
																																				192, 195				 | 
					
			
																																				| 02/10/2004				 | 
																																				Hazardous Materials: Enhancing Hazardous Materials Transportation Security				 | 
																																				Rule				 | 
																																				107, 171, 176, 177				 | 
					
			
																																				| 12/12/2003				 | 
																																				Pipeline Safety: Periodic Underwater Inspections				 | 
																																				Proposed Rule				 | 
																																				192, 195				 | 
					
			
																																				| 09/26/2003				 | 
																																				Hazardous Materials: Approval Program for Certain Persons Performing Visual Requalification of DOT Specification Cylinders; Extension of Compliance Date				 | 
																																				Rule				 | 
																																				107, 180				 | 
					
			
																																				| 09/08/2003				 | 
																																				Hazardous Materials Regulations: Penalty Guidelines and Other Procedural Regulations				 | 
																																				Rule				 | 
																																				105, 107, 171				 | 
					
			
																																				| 05/08/2003				 | 
																																				Hazardous Materials: Requirements for Maintenance, Requalification, Repair and Use of DOT Specification Cylinders; Response to Appeals and Extension of Compliance Dates				 | 
																																				Rule				 | 
																																				107, 171, 173, 177, 180				 | 
					
			
																																				| 05/05/2003				 | 
																																				Hazardous Materials: Enhancing Hazardous Materials Transportation Security				 | 
																																				Rule				 | 
																																				107, 171, 176, 177				 |