STREET IN CLAIRTON, PENNSYLVANIA, 20 MILES SOUTH OF PITTSBURGH. IN THE BACKGROUND IS A PORTION OF A COKE PLANT OWNED BY THE UNITED STATES STEEL CORPORATION. IT HAS BEEN CITED IN THE PAST FOR VIOLATIONS OF THE CLEAN AIR ACT WHICH WAS PASSED BY CONGRESS AND IS ADMINISTERED BY THE U.S. ENVIRONMENTAL PROTECTION AGENCY