The proposal looks to protect dozens of underwater shipwrecks in Lake Erie off the coast of Pennsylvania while still allowing for fishing, boating and diving.
The violations are for water contamination across the state caused by the company’s Mariner East pipeline construction project between 2018 and 2021.
Pitt and Duquesne University researchers found radium downstream of wastewater treatment plants that treat runoff from landfills that accept frack waste.