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 Education
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The Pipeline and Hazardous Materials Safety Administration is proposing to amend the Hazardous Materials Regulations to incorporate provisions contained in certain widely used or longstanding special permits that have general applicability and...
PHMSA, in coordination with the Nuclear Regulatory Commission (NRC), is proposing to amend requirements in the Hazardous Materials Regulations (HMR) governing the transportation of Class 7 (radioactive) materials based on recent changes contained in...
PHMSA is amending the Hazardous Materials Regulations to make miscellaneous amendments to update and clarify certain regulatory requirements. These amendments are intended to: promote safer transportation practices; eliminate unnecessary regulatory...
PHMSA amends the Hazardous Materials Regulations by removing saccharin and its salts from the list of hazardous substances and reportable quantities. The Comprehensive Environmental Response, Compensation and Liability Act, requires PHMSA to list and...
PHMSA is amending 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, packaging...
PHMSA proposes to make miscellaneous amendments to the Hazardous Materials Regulations to update and clarify certain regulatory requirements. Among other provisions, PHMSA is proposing to add a labeling exception for ``consolidation bins'' to...
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. The intended effect of this rule is to enhance...
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 packaging requirements in the Hazardous Materials Regulations to enhance compliance flexibility, improve clarity, and reduce regulatory burdens. Specifically, we are revising several packaging related definitions;...
PHMSA, in consultation with the Federal Aviation Administration (FAA), is proposing to amend requirements in the Hazardous Materials Regulations (HMR) on the transportation of lithium cells and batteries, including lithium cells and batteries packed...
On January 14, 2009, the Pipeline and Hazardous Materials Safety Administration (PHMSA) published a final rule amending the Hazardous Materials Regulations (HMR) to maintain alignment with international standards by incorporating various amendments,...
PHMSA is confirming the effective date of its direct final rule, published under Docket No. PHMSA-2009-0238 (HM-224G) on October 15, 2009, to amend the Hazardous Materials Regulations by revising the quantity limitation from 25 kg ``gross'' to 25 kg...
In this final rule, PHMSA is amending the Hazardous Materials Regulations to clarify requirements governing emergency response information services provided by arrangement with hazardous materials offerors (shippers). In order to preserve the...
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. The intended effect of this rule is to enhance...
This direct final rule amends the Hazardous Materials Regulations to revise the quantity limitation from 25 kg ``gross'' to 25 kg ``net'' for packages of chemical oxygen generators transported aboard cargo aircraft only. The intended effect of this...
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,...
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...
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,...
PHMSA is amending the Hazardous Materials Regulations to update, clarify or provide relief from certain requirements governing the classification, packaging, or labeling of hazardous materials transported in commerce. Among other provisions, PHMSA is...
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...
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 (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,...
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,...
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...
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 revises terminology, definitions, and requirements for consistency with the Hazardous Materials Safety and Security Reauthorization Act of 2005. These amendments include revising the definitions of ``hazmat employee'' and ``hazmat...
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...
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...
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...
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...
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...
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...