The Government Accounting Office (GAO) has released its report, ‘Safety Effects of Less Prescriptive Requirements for Low-Stress Natural Gas Transmission Pipelines Are Uncertain’ to Congress. In response Congress’s request, GAO analyzed whether the integrity requirements for distribution lines should also apply to low-stress transmission pipelines due to their similar operating pressures. GAO concluded that the
On June 22, 2010, PHMSA issued a Notice of Proposed Rulemaking that seeks to amend existing pipeline safety regulations at 49 C.F.R. Part 195 to make them applicable to all low-stress hazardous liquid pipelines. Comments are due on August 23, 2010. See 75 Fed. Reg. 35366.