Hazardous Materials: Harmonization With the United Nations Recommendations on the Transport of Dangerous Goods Model Regulations, International Maritime Dangerous Goods Code, International Civil Aviation Organization Technical Instructions for the Safe Transport of Dangerous Goods by Air, and Transport Canada's Transport of Dangerous Goods Regulations

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Transportation Pipeline and Hazardous Materials Safety Administration 49 CFR Parts 171, 172, 173, 174, 175, 176, 177, 178, 179, 180 [Docket Nos. PHMSA-2009-0126 (HM-215K)] [RIN 2137-AE45] AGENCY: Pipeline and Hazardous Materials Safety Administration (PHMSA), DOT. ACTION: Advanced notice of proposed rulemaking (ANPRM). SUMMARY: PHMSA is considering amending the Hazardous Materials Regulations (HMR) by incorporating various amendments to international standards and modal regulations, including changes to proper shipping names, hazard classes, packing groups, special provisions, and packaging authorizations. These amendments may be necessary to harmonize the HMR with revised editions of the United Nations Recommendations on the Transport of Dangerous Goods Model Regulations and Manual of Tests and Criteria, the International Maritime Organization's Dangerous Goods Code, the International Civil Aviation Organization's Technical Instructions for the Safe Transport of Dangerous Goods by Air and Transport Canada's Transport of Dangerous Goods Regulations. In this notice, we are soliciting public comment regarding the safety consequences, regulatory burden, and cost implications of some of the more significant amendments adopted or under consideration for adoption in these international standards. DATES: Comments must be received by January 19, 2010. ADDRESSES: Comments: You may submit comments identified by the docket number PHMSA-2009-0126 by any of the following met…