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Notices and Rulemaking Documents

The following PHMSA rules and notices are linked to the Federal Register website. The Federal Register is the Federal Government’s official daily publication of rules, proposed rules, and notices of federal agencies, and provides a forum for public participation in the democratic process. You may filter between Rules and Notices using the Document Type dropdown. The Topic dropdown will provide you rules associated with that topic while the Subject dropdown will provide you Notices and Rules that mention that subject.

The Federal Register provides notices dating back to 1995. If you need to see notices prior to 1995, please contact:

Office of Hazardous Materials Safety: 202-366-4488
Office of Pipeline Safety: 202-366-4595

The Federal Register provides rulemaking documents dating back to 1995. If you need to see rules prior to 1995, please visit our rulemakings archives:

Hazardous Materials Safety Rulemaking Archive
Pipeline Safety Rulemaking Archive

Displaying 101 - 143 of 143

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Date Subject Document Type Part
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
05/19/2005 Hazardous Materials: Infectious Substances; Harmonization With the United Nations Recommendations Proposed Rule 171, 172, 173, 175
03/09/2005 Hazardous Materials: Requirements for UN Cylinders Proposed Rule 107, 171, 172, 173, 178, 180
01/24/2005 Hazardous Materials; Incorporation of Exemptions Into Regulations Rule 171, 173, 174, 176, 177
12/30/2004 Hazardous Materials: Safety Requirements for External Product Piping on Cargo Tanks Transporting Flammable Liquids Proposed Rule 173
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
12/15/2004 Hazardous Materials; Prohibition on the Transportation of Primary Lithium Batteries and Cells Aboard Passenger Aircraft Rule 171, 172, 173, 175
11/10/2004 Hazardous Materials: Revision of Requirements for Carriage by Aircraft Proposed Rule 171, 172, 173, 175
10/01/2004 Hazardous Materials Regulations; Compatibility With the Regulations of the International Atomic Energy Agency; Correction; Final Rule Rule 171, 173
09/13/2004 Hazardous Materials Regulations; Compatibility With the Regulations of the International Atomic Energy Agency; Correction; Final Rule Rule 171, 172, 173
09/07/2004 Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications Rule 106, 107, 171, 172, 173, 178, 179, 180
08/16/2004 Hazardous Materials; Requirements for Lighters and Lighter Refills Proposed Rule 171, 172, 173
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
10/06/2003 Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications Rule 171, 172, 173, 175, 176, 177, 178, 179
09/10/2003 Hazardous Materials Regulations: Aluminum Cylinders Manufactured of Aluminum Alloy 6351-T6 Used in SCUBA, SCBA, and Oxygen Service-Revised Requalification and Use Criteria Proposed Rule 171, 173, 180
08/14/2003 Hazardous Materials; Miscellaneous Amendments Rule 171, 172, 173, 177, 178, 179, 180
07/31/2003 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
05/30/2003 Transportation of Hazardous Materials; Unloading of Intermodal (IM) and UN Portable Tanks on Transport Vehicles Rule 171, 173, 177, 178
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
04/18/2003 Hazardous Materials: Requirements for Cargo Tanks Rule 107, 171, 172, 173, 177, 178, 180
01/21/2003 Hazardous Materials; Miscellaneous Amendments Proposed Rule 171, 172, 173, 177, 178
12/03/2002 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
09/30/2002 Hazardous Materials: Requirements for Maintenance, Requalification, Repair and Use of DOT Specification Cylinders; Extension of Compliance Dates and Corrections Rule 173, 177
09/27/2002 Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications Rule 105, 107, 130, 171, 172, 173, 175, 176, 177, 178, 179, 180
08/08/2002 Hazardous Materials: Requirements for Maintenance, Requalification, Repair and Use of DOT Specification Cylinders Rule 107, 171, 172, 173, 177, 178, 179, 180
04/30/2002 Hazardous Materials Regulations; Compatibility With the Regulations of the International Atomic Energy Agency Proposed Rule 171, 172, 173, 174, 175, 176, 177, 178
04/03/2002 Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions Rule 171, 172, 173, 174, 176, 178, 180
04/02/2002 Hazardous Materials; Transportation of Lithium Batteries Proposed Rule 171, 172, 173, 175
02/22/2002 Transportation of Hazardous Materials; Unloading of Intermodal (IM) Portable Tanks on Transport Vehicles Proposed Rule 173, 177
12/04/2001 Hazardous Materials: Requirements for Cargo Tanks Proposed Rule 107, 171, 172, 173, 177, 178, 180
08/28/2001 Hazardous Materials Regulations: Editorial Corrections and Clarifications Rule 107, 171, 172, 173, 175, 176, 177, 178, 179, 180
08/28/2001 Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications Rule 107, 110, 130, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180
06/21/2001 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, 177, 178, 179, 180
02/01/2001 Harmonization With the United Nations Recommendations and the International Maritime Dangerous Goods Code Rule 171, 172, 173, 176
10/23/2000 Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions Proposed Rule 171, 172, 173, 174, 175, 176, 177, 178, 180
09/29/2000 Hazardous Materials Regulations: Editorial Corrections and Clarifications Rule 107, 171, 172, 173, 174, 176, 177, 178, 179, 180
08/18/2000 Hazardous Materials; Miscellaneous Amendments Rule 107, 171, 172, 173, 174, 175, 177, 178, 179, 180