03/02/93-INSPECTION REVEALED THAT KOPPERS INDUSTRIES, INC. FAILED TO PROPERLY DISPOSE OF FLUID CONTAINING A PCB CONCENTRATION OF OVER 50PM FROM ONE LEAKING PCB CONTAMINATED D TRANSFORMER-CONTAINING 126 GALLONS OF PCB-CONTAMINATED OIL DURING THE INSPECTION, IT WAS DETERMINED THAT THE CONCEN- TRATION OF PCBS WAS 138 PPM. A PENALTY OF $10,000 HAS BEEN SET.