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Rulemaking Documents Search

The following DOT Rules 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.

To learn more about DOT Rules, choose a document type, topic, or conduct a title search by keyword. Results will include a summary of the Rule and a link to the PDF of the appropriate Federal Register page. 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
Your search for Documents of type Rule or Proposed Rule, affecting 49 CFR 100-199, and about Hazardous waste
Results 101 - 150 of 196
  • PHMSA amends the Hazardous Materials Regulations (HMR) by revising the list of hazardous substances and reportable quantities (RQs) and by correcting editorial errors to the list of hazardous substances and RQs. Superfund (i.e., CERCLA) requires PHMSA...
  • This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations (HMR). The intended effect of this rule is to...
  • On May 3, 2007, PHMSA published a final rule to amend the Hazardous Materials Regulations (HMR; Parts 171-180) by revising and consolidating the requirements applicable to the use of the International Civil Aviation Organization's Technical...
  • PHMSA is proposing to amend the Hazardous Materials Regulations (HMR) to permit certain fuel cell cartridges and fuel cell systems designed for portable electronic devices to be transported by passengers and crew in carry-on baggage on board...
  • The Pipeline and Hazardous Materials Safety Administration is amending the Hazardous Materials Regulations (HMR) to tighten the safety standards for transportation of lithium batteries, including both primary (non-rechargeable) and secondary...
  • In this NPRM, PHMSA proposes to amend the Hazardous Materials Regulations (HMR) to clarify requirements governing emergency response information services provided by arrangement with hazardous materials offerors. In order to preserve the effectiveness...
  • In this final rule, PHMSA is amending the Hazardous Materials Regulations to revise and consolidate the requirements applicable to the use of the International Civil Aviation Organization's Technical Instructions for the Safe Transport of Dangerous...
  • PHMSA proposes to amend the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180) to revise certain requirements applicable to the manufacture, maintenance, and use of DOT and MC specification cargo tank motor vehicles, DOT specification...
  • PHMSA (also, ``we'' or ``us'') is amending the Hazardous Materials Regulations (HMR) to: require cylinders of compressed oxygen and other oxidizing gases and packages of chemical oxygen generators to be placed in an outer packaging that meets certain...
  • This final rule revises the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions,...
  • The Pipeline and Hazardous Materials Safety Administration (PHMSA), in consultation with the Federal Railroad Administration (FRA) and the Transportation Security Administration (TSA), is proposing to revise the current requirements in the Hazardous...
  • PHMSA is correcting an error in an interim final rule, published in the Federal Register on December 15, 2004. That interim final rule imposed a limited prohibition on offering for transportation and transportation of primary lithium batteries and...
  • PHMSA proposes to make miscellaneous amendments to the Hazardous Materials Regulations based on petitions for rulemaking and PHMSA initiatives. These proposed amendments are intended to update, clarify or provide relief from certain regulatory...
  • This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations (HMR). The intended effect of this rule is to...
  • In this NPRM, PHMSA is proposing to make miscellaneous amendments to the Hazardous Materials Regulations (HMR) based on changes to packaging requirements in the United Nations Recommendations on the Transport of Dangerous Goods, petitions for...
  • PHMSA proposes to amend the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions,...
  • In this final rule, PHMSA is amending the Hazardous Materials Regulations (HMR) to adopt standards for the design, construction, maintenance and use of cylinders and multiple-element gas containers based on the standards contained in the United Nations...
  • PHMSA is revising the transportation requirements for infectious substances, including regulated medical waste, to adopt new classification criteria, new exceptions, and packaging and hazard communication requirements consistent with revised...
  • This final rule amends the requirements in the Hazardous Materials Regulations (HMR) for the transportation of hazardous materials by aircraft. This final rule clarifies the applicability of part 175; clarifies the exceptions from regulation for...
  • The Pipeline and Hazardous Materials Safety Administration is revising its regulations to reflect revisions to the civil and criminal penalties in the Hazardous Materials Safety and Security Reauthorization Act (Title VII of the Safe, Accountable,...
  • In this notice of proposed rulemaking, the Pipeline and Hazardous Materials Safety Administration proposes to amend the Hazardous Materials Regulations by revising and consolidating the requirements applicable to the use of the International Civil...
  • This final rule amends requirements in the Hazardous Materials Regulations (HMR) pertaining to the examination, testing, certification, and transportation of lighters and lighter refills. This action will clarify regulatory requirements and, where...
  • This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations (HMR). In addition, this final rule revises...
  • PHMSA is amending the Hazardous Materials Regulations to add a definition for ``person who offers or offeror.'' The definition adopted in this final rule codifies long-standing interpretations and administrative determinations on the applicability of...
  • On December 20, 2004, the Research and Special Programs Administration (RSPA)--the predecessor agency to the Pipeline and Hazardous Materials Safety Administration (PHMSA)--published a final rule under Docket Number RSPA-04-17036 (HM-215G) amending the...
  • This final rule amends the Hazardous Materials Regulations by incorporating miscellaneous changes based on petitions for rulemaking and PHMSA initiatives. The intended effect of these regulatory changes is to update, clarify or provide relief from...
  • This final rule notice announces Office of Management and Budget (OMB) approval of information collection request (ICR) OMB No. 2137-0620, ``Inspection and Testing of Meter Provers.'' This information collection has been approved by OMB until May 31,...
  • PHMSA is proposing to revise the transportation requirements for infectious substances, including regulated medical waste, to adopt new classification criteria and packaging requirements consistent with revised international standards and to clarify...
  • On October 30, 2003, the Research and Special Programs Administration, predecessor agency to PHMSA, published a final rule to clarify the applicability of the Hazardous Materials Regulations to functions and activities related to the safe and secure...
  • PHMSA proposes to amend the Hazardous Materials Regulations (HMR) to adopt standards for the design, construction, maintenance and use of cylinders and multiple-element gas containers (MEGCs) based on the standards contained in the United Nations (UN)...
  • This final rule adopts without change the April 1, 2005, mandatory compliance date for the notification and record retention requirements for aircraft operators transporting hazardous materials, as adopted in an interim final rule in this proceeding...
  • This final rule amends the Hazardous Materials Regulations by incorporating into the regulations the provisions of certain widely used exemptions which have established a history of safety and which may be converted into regulations for general use. We...
  • RSPA is amending the Hazardous Materials Regulations (HMR) to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions, packaging...
  • To protect life and property, RSPA (we), working closely with the Federal Aviation Administration (FAA), is issuing an interim final rule imposing a limited prohibition on offering for transportation and transportation of primary (non-rechargeable)...
  • RSPA is proposing changes to the requirements in the Hazardous Materials Regulations (HMR) for the transportation of hazardous materials by aircraft. These proposed changes include clarifying the applicability of part 175; excepting cargo aircraft from...
  • This final rule amends the Hazardous Materials Regulations (HMR) to improve hazard communication for hazardous materials transported in commerce. Revisions adopted in this final rule include: permitting the use of the Pantone Formula, an industry guide...
  • RSPA is correcting errors in a final rule in this docket, published in the Federal Register on September 13, 2004, that amended requirements in the Hazardous Materials Regulations (HMR) pertaining to the transportation of radioactive materials based on...
  • RSPA is proposing to add to the Hazardous Materials Regulations a definition for ``person who offers or offeror'' in order to codify long-standing interpretations on the applicability of those regulations.
  • RSPA is correcting errors in its final rule in this docket, published in the Federal Register on January 26, 2004, that amended requirements in the Hazardous Materials Regulations (HMR) pertaining to the transportation of radioactive materials based on...
  • This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations (HMR). The intended effect of this rule is to...
  • This interim final rule extends the compliance date of the notification and record retention requirements for aircraft operators transporting hazardous materials. On March 25, 2003 RSPA published a final rule that requires an aircraft operator...
  • RSPA proposes to amend requirements in the Hazardous Materials Regulations for the examination, testing, certification, and transportation of lighters and lighter refills. This action will clarify regulatory requirements and, where appropriate,...
  • RSPA proposes to make miscellaneous amendments to the Hazardous Materials Regulations based on petitions for rulemaking and RSPA initiatives. These proposed amendments are intended to update, clarify or provide relief from certain regulatory requirements.
  • This final rule corrects errors in the 49 CFR 172.101 Hazardous Materials Table (HMT) made during the recent publication of 49 CFR Parts 100 to 185. In the most recent publication of 49 CFR Parts 100-185, a number of entries in the HMT were...
  • RSPA is proposing to amend the Hazardous Materials Regulations (HMR) to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions,...
  • On July 31, 2003, RSPA published a final rule under Docket Number RSPA-2002-13658 (HM-215E) amending the Hazardous Materials Regulations (HMR) based on corresponding provisions of international standards. The revisions were made to facilitate the...
  • On December 3, 2003, RSPA published a final rule under Docket No. RSPA-99-5013 (HM-229) to update and clarify requirements in the Hazardous Materials Regulations applicable to incident reporting requirements and the Hazardous Materials Incident Report...
  • RSPA proposes to amend the Hazardous Materials Regulations to require that cylinders of compressed oxygen and packages of chemical oxygen generators be placed in an outer packaging that meets certain flame penetration and thermal resistance...
  • This final rule revises the procedures for applying for an exemption from the Hazardous Materials Regulations, adopted in an interim final rule published May 5, 2003, to require certain applicants to certify compliance with provisions of the Safe...
  • In this final rule RSPA is amending requirements in the Hazardous Materials Regulations (HMR) pertaining to the transportation of radioactive materials based on changes contained in the International Atomic Energy Agency (IAEA) publication, entitled...