PHILADELPHIA - In an opinion of first impression, a unanimous Third Circuit U.S. Court of Appeals panel ruled Aug. 20 that the property damage claims of a western Pennsylvania class against the owner of a coal-fired electricity generation plant are not barred by the Clean Air Act (Kristie Bell, et al. v. Cheswick Generating Station, GenOn Power Midwest, No. 12-4216, 3rd Cir.; 2013 U.S. App. LEXIS 17283).