Pennsylvania’s general permit for discharges from hydrostatic testing of tanks and pipelines expired on December 20, 2014. Companies who have not previously obtained a general permit and are planning ...

Pacific Gas and Electric Co. chose its controversial pipeline-testing methods for efficiency and safety and not — as prosecutors claim — to cut costs, a former PG&E supervising engineer testified ...

Enbridge's successful high-pressure water test of one of its twin oil pipelines in the Straits of Mackinac indicates "the underwater pipe appears to be robust," according to an independent pipeline ...

In preparation for the hydro-test, construction began in June 2024 and is expected to be completed in October 2024 barring bad weather or other factors, SoCalGas spokesperson Denise Campos told the ...