Documents indicate Sunoco has a new maximum operating pressure for the line, which is under construction. An engineer who conducted a risk assessment of the Mariner East project said a higher pressure increases risk.
Latest by Susan Phillips
Amid global push to reduce carbon emissions, Japan looks past battery-powered electric cars and envisions a ‘hydrogen society’
State attorney general, Delaware County district attorney launch criminal investigation into Sunoco, Energy Transfer
Chester County’s district attorney is already investigating the Mariner East pipeline project. The company said it will “aggressively” defend itself.
PA DEP halts new pipeline permits for Mariner East, cites ongoing violations with Revolution pipeline
The DEP says Energy Transfer, which is the parent company of Sunoco, failed to fix problems after an explosion rocked Beaver County in September.