Archived Rulemaking: Use of United Nations Shipping Descriptions; Correction

Archived Rulemaking: Intermodal Portable Tanks; Delay of Certain Compliance Dates

Archived Rulemaking: Placarding Empty Tank Cars

Archived Rulemaking: Carriage of Tear Gas Devices Aboard Aircraft

Archived Rulemaking: Specifications for Tank Cars

Archived Rulemaking: Definition of Flammable Solid; Extension of Comment Period

Archived Rulemaking: Definition of Oxidizer; Extension of Comment Period

Archived Rulemaking: Enforcement Procedures and Related Miscellaneous Proposals

Archived Rulemaking: Transportation of Anhydrous Ammonia in Intrastate Commerce

The Materials Transportation Bureau proposes to amend Part 173 of  Title 49 CFR to authorize the use of nonspecification cargo tanks, and of specification cargo tanks with a design pressure of 250 psig, for the transport of anhydrous ammonia m intrastate commerce under certain conditions....

Archived Rulemaking: Dispersant and Refrigerant Gases; Removal of Obsolete Compliance Reporting Requirements