MOBIL OWNS AND OPERATES A PETROLEUM REFINERY IN TORRANCE, CALIFORNIA. IN 1994, THE NATIONAL ENFORCEMENT INVESTIGATION CENTER AND REGION IX CONDUCTED A MULTIMEDIA INSPECTION OF THE REFINERY. BASED ON THAT INSPECTION, AND SUBSEQUENT INVESTIGATION BY REGION IX, VIOLAIONS OF SEVERAL STATUTES HAVE BEEN FOUND. THE MOST SIGNIFICANT VIOLATIONS FOUND RESULTED FROM MOBIL'S DISCHARGES OF STORMWATER IN VIOLATION OF CLEAN WATER ACT REQUIREMENTS AND ITS FAILURE TO FOLLOW REQUIRED LABORATORY PROCEDURES FOR THE ANALYSIS OF WASTE- WATER SAMPLES. THE FOLLOWING VIOLATIONS ARE BEING REFERRED IN THIS ACTION: CLEAN WATER ACT MOBIL'S TORRANCE REFINERY DISCHARGES PROCESS WASTEWATER TO THE COUNTY SANITATION DISTRICTS OF LOS ANGELES COUNTY PUBLICLY OWNED TREATMENT WORKS, AND STORMWATER AND TREATED GROUNDWATER TO DOMINGUEZ CHANNEL AND SAN PEDRO BAY. MOBIL'S PROCESS WASTEWATER DISCHARGE IS REGULATED BY PRETREATMENT STANDARDS SET OUT AS 40 C.F.R 403. MOBIL'S STORMWATER AND TREATED GROUNDWATER DISCHARGES ARE REGULATED BY AN NPDES PERMIT ISSUED PURSUANT TO SECTION 402 OF THE CLEAN WATER ACT. MOBIL'S STORMWATER AND TREATED GROUNDWATER DISCHARGES HAVE REPEATEDLY VIOLATED NPDES PERMIT REQUIREMENTS GOVERNING EFFLUENT QUALITY. REGION IX HAS DOCUMENTED 300 DAYS OF VIOLATION OF NPDES LIMITATIONS REGULATING THE LEVELS OF PETROLEUM HYDROCARBONS, METAL, AND TOX