COOPER INDUSTRIES, FLOW CONTROL DIVISION ( COOPER ) OPERATES A MANUFACTURING FACILITY LOCATED AT 16500 S. MAIN IN MISSOURI CITY, TEXAS. COOPER IS ENGAGED IN THE MANUFACT- URE OF GATE VALVES, BALL VALVES, BUTTERFLY VALVES AND WELLHEADS. PROCESSES USED IN THE MANUFACTURE OF THE PRODUCTS INCLUDE MACHINING, INSPECTION, HEAT TREATING, WELDING, CLEAN -ING, PHOSPHATING, ASSEMBLY, TESTING AND PAINTING. WASTE- WATER, NONCONTACT COOLING WATER, AND BOILER BLOWDOWN PRIOR TO DISCHARGE TO THE FORT BEND COUNTY WCID NO. 2 SEWERAGE SYSTEM (PUBLICLY OWNED TREATMENT WORKS, HEREAFTER REFERRED TO AS POTW). COPPER IS SUBJECT BOTH TO GENERAL PRTREATMENTS STANDARDS, 40 CFR PART 403, AND CATEGORICAL REGULATIONS FOR THE METAL FINISHING POINT SOURCE CATEGORY, 40 CFR PART 433. AS DESCRIVE IN DETAIL IN SECTION III OF THIS REPORT, COOPER HAS VIOLATED SECTION 301 AND 307 OF THE CLEAN WATER ACT AND GENERAL AND CATEGORICAL PRETREATMENT REGULATIONS.