CHICAGO INDUSTRIAL WASTE HAULERS (CIWH) WAS INSPECTED ON MARCH 6, 1987. THE INSPECTORS FOUND A BULK STORAGE TANK WITH ABOUT 6000 GALLONS OF WASTE OIL WHICH CONTAINED PCB'S AT A CONCENTRATION GREATER THAN 500PPM. CIWH VIOLATED TSCA BY FAILING TO HAVE PROPER CURBING AROUND THE STORAGE TANK, BY FAILING TO DOCUMENT WHEN THE PCB WASTE OIL WAS PLACED IN THE TANK FOR STORAGE AND BY FAILING TO MARK THE TANK. THE PROPOSED PENALTY IS 50,000. SEE PCIA- RELATED CASE.