Pittsburgh Post-Gazette: Federal regulators have issued four permits for oil and gas wastewater disposal wells in Pennsylvania in the past six months, and those are unlikely to be the last.
Industry groups and researchers are renewing their efforts to find sites in the state where the salt- and metals-laden waste fluids produced from ever more shale gas wells can be entombed deep underground.
So far, each pending project has caused as much friction above ground as below. Already, permits for three of the four wells...