SUMMARY - ZENECA MANUFACTURES 2 POLYMER PRODUCTS & ORGANOPHOSPHATE HERBICIDE & PESTICIDE INTERMEDIATES & PRODUCTS. AFTER ACCUMULATION IN THE T-1 SUMP , ALL OF THE EAST PLANT PROCESS WASTEWATER IS SENT THROUGH AN ELEMENTARY NEUTRALIZATION TREATMENT SYSTEM & IS THEN INJECTED INTO THE KNOX AQUIFER VIA 1 OF THE 3 ONSITE INJECTION WELLS. SINCE 1969, AS MANY AS 4 INJECTION WELLS HAVE BEEN OPERATED AT THIS FACILITY FOR THE DISPOSAL OF WASTEWATER. ON FEBRUARY 8 & 9, 1994, EPA CONDUCTED A MULTI-MEDIA INSPECTION OF THE ZENECA FACILITY. THIS INSPECTION & SUBSEQUENT ADDITIONAL INFORMATION CONFIRMED THAT ZENECA WAS NOT ONLY INJECTING WASTEWATER INTO AN USDW ABOVE MAXIMUM CONTAMINANT LEVELS (MCLS) IN VIOLATION OF 40 C.F.R. SECTION 144.12(A), BUT THAT ON AT LEAST 1 OCCASION, ZENECA ILLEGALLY INJECTED A HAZARDOUS WASTE IN VIOLATION OF 40 C.F.R. SECTION 144.13. IN ADDITION, THE EPA FOUND 4 VIOLATIONS OF THE CWA FOR ILLEGAL DISCHARGES INTO BIG BIGBY CREEK, & RCRA VIOLATION FOR TREATMENT OF WASTEWATER WHICH WAS HAZARDOUS FOR BENZENE, 1,2-DICHLOROETHANE & ARSENIC WITHOUT A PERMIT, & DISPOSAL OF BENZENE HAZARDOUS WASTEWATER WITHOUT A PERMIT. THE CAUSES OF ACTION ARE UNDER SECTION 3008(A) AND 3008(H) OF THE SOLID WASTE DISPOSAL ACT, AS AMENDED BY THE HAZARDOUS WASTE & SOLID WASTE AMENDMENTS OF 1984, 42 U.S.C. SECTION 6928(A) AND (H); SECTION 309 OF THE CWA; SECTION 301 OF THE CWA; SECTION 402 OF THE CWA; & SECTION 1423(B) OF THE SDWA.
NATURE AND NUMBER OF DEFENDANTS - ONE DEFENDANT,