=> VIOLATIONS OF A JULY 10, 1979 CONSENT DECREE, LAST MODIFIED ON DEC 14, 1983. => COKE OVEN BATTERIES 19,20,21 AND 22 ARE OPERATING IN VIOLATION OF THE TOPSIDE STANDARD OF NO VISIBLE EMISSIONS EXCEPT FROM LESS THAN 2% OF THE CHARGING HOLE PORTS (1% FOR BATTERY 20 WHICH IS SUBJECT TO LAER STANDARD). => CLAIRTON IS IN AN AREA PRESENTLY LISTED AS NONATTAIN MENT, BUT THIS DESIGNATION MAY SHORTLY BE CHANGED TO NOT MEETING SECONDARY NATIONAL AMBIENT AIR QUALITY STANDARDS FOR PARTICULATE MATTER. THE CLAIRTON PLANT IS THE MAJOR INDUSTRI AL OPERATION IN THE AREA. COKE OVEN EMISSIONS ARE CARCINO- GENIC & WERE LISTED AS A HAZARDOUS AIR POLLUTANT UNDER SECT 112 OF THE CAA, 42 U.S.C. SECT 7412, ON SEPT 18, 1984.