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This final rule prescribes periodic monitoring of the water content of pipelines transporting anhydrous ammonia and the addition of water to such pipelines if the water content is less than 0.2 percent by weight. The purpose of this final rule is to reduce the potential for stress corrosion...
In an effort to reduce the effects of HVL pipeline accidents, a notice of proposed rulemaking (43 FR 39402) was published on September 5, 1978, proposing a-requirement to install remotely controlled, closely spaced valves on new pipelines and certain existing pipelines. An amended notice of...
This final rule amends Department of Transportation regulations which govern the transportation of natural and other gas and hazardous liquids by pipeline. The amendments update the existing references to industry prepared documents to later published editions of those documents. The amendments...
This document postpones until June 30, 1981, the effective date of a final rule published in the Federal Register on January 2, 1981 (46 FR 39), which required weekly monitoring of the water content of anhydrous ammonia transported by interstate pipelines. The MTB has been directed to perform a...
This notice invites comments on the problem of interference with underwater pipeline crossings of navigable waterways, the benefits of installing line markers at these crossings, and the size of markers to be used. Comments received may result in publication of another notice proposing specific...
This final rule amends the natural gas leak reporting requirements for pipeline companies of Part 191 by changing the addressee for written reports, and also amends Part 192 by deleting the xequirements of § 192.17. Filing of inspection and maintenance plans, to reflect an amendment to the...
This final rule amends the liquid pipeline safety regulations in Part 195 to conform with and reflect its issuance under the authority of the Hazardous Liquid Pipeline Safety Act of 1979 (Title 11 of Pub. L 96-129, November 30,1979) (HLPSA) and incorporates a number of HLPSA provisions into Part...
This notice revokes a final rule that would require weekly monitoring of the water content of anhydrous ammonia transported by interstate pipeline. The purpose of the rule was to prevent failures caused by stress corrosion cracking. Where necessary, the rule required that water be added to...
This site provides information about PHMSA’s implementation of Control Room Management oversight, and links to other educational information on human factors and human operational performance.