BRIEF SYNOPSIS OF THE CASE GENERAL MOTORS CORPORATION OWNS AND OPERATES NUMEROUS MAJOR INDUSTRIAL FACILITIES WHICH ARE SUBJECT TO THE CATE- GORICAL PRETREATMENT STANDARDS FOR ELECTROPLATING BECAUSE THEY CONTAIN ELECTROPLATING OPERATIONS AND DISCHARGE WASTE- WATER TO PUBLICLY OWNED TREATMENT WORKS. ONE OF THESE PLANTS IS THE GM ASSEMBLY DIVISION, NORWOOD PLANT. THIS PLANT DISCHARGES PROCESS WASTEWATERS TO THE METROPOLITAN SEWER DISTRICT OF CINCINNATI. THE NORWOOD PLANT HAS 2.6 MILLION SQUARE FEET OF PRODUCTION AREA AND HAS A TOTAL PLANT WASTEWATER FLOW OF 832,000 GALLONS PER DAY, APPROXI- MATELY 162,000 OF WHICH IS SUBJECT TO THE ELECTROPLATING STANDARDS. GENERAL MOTORS HAS SUBMITTED BASELINE MONITORING RE- PORTS FOR THE NORWOOD PLANT WHICH INDICATE THAT THE PLANT WILL EXCEED THE ELECTROPLATING PRETREATMENT STANDARDS FOR ZINC, LEAD AND TOTAL METALS BY SIGNIFICANT AMOUNTS BEGIN- NING JUNE 30, 1984. REGION V BELIEVES THAT GENERAL MOTORS' FAILURE TO ACHIEVE COMPLIANCE RESULTS FROM ITS FAILURE TO TAKE ANY ACTION FOR ALMOST A YEAR AFTER IT BECAME CLEAR THAT THE ELECTROPLATING STANDARDS WOULD APPLY TO ITS FACILITIES. COMPLIANCE SCHEDULES SUBMITTED BY GMC INDICATE THAT GMC WILL MISS THE COMPLIANCE DATE BY ALMOST 15 MONTHS. GENERAL MOTORS IS HANDLING PRETREATMENT MATTERS ON A CORPORATE-WIDE SCALE, AND SEVERAL OF ITS PLANTS ARE P