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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

General

Legacy ID
21

Archived Rulemaking: Transportation of Hydrogen Sulfide by Pipeline

This notice requests information to determine the need for regulations to control the concentration of hydrogen sulfide (H2S) in natural gas pipeline systems. There have been several instances in which H2S has entered pipelines inadvertently. High concentrations may be extremely toxic if...

Archived Rulemaking: Pipeline Safety; Steel Pipe

This document updates to the 1988 edition the existing incorporation by reference in the gas and hazardous liquid pipeline safety standards of the American Petroleum Institute (API) Specification 5L, "Specification for Line Pipe." The purpose of this updating is to permit operators to use steel...

Archived Rulemaking: Transportation of Carbon Dioxide by Pipeline

This notice proposes new regulations to provide for the safe transportation of carbon dioxide by pipeline facilities. Section 211 of the Pipeline Safety Reauthorization Act of 1988 (Pub. L. 100-561) requires that the DOT regulate such pipelines under the hazardous liquid pipeline safety...