EPA settlement with MarkWest addresses Clean Air Act violations at Evans City, Pa. plant

Region 03
PHILADELPHIA (September 25, 2020) – The U.S. Environmental Protection Agency announced today a settlement with MarkWest Liberty Bluestone, L.L.C. to settle alleged Clean Air Act violations at its natural gas processing plant in Evans City, Pennsylvania.
https://www.epa.gov/newsreleases/epa-settlement-markwest-addresses-clean-air-act-violations-evans-city-pa-plant