ON AUGUST 27, 1991, APPROXIMATELY 19,000 POUNDS OF MALEIC ANHYDRIDE SPILLED FROM A TANKCAR AT CHOCOLATE BAYOU. APPROX- IMATELY 15,000 POUNDS FLOWED INTO A SUMP IN THE OFF-LOADING AREA. IN THE PROCESS SEWER, THE MALEIC ANHYDRIDE MIXED WITH NON-HAZARDOUS WASTEWATER AND FLOWED INTO AND THROUGH THE UN- PERMITTED NON-HAZARDOUS WASTEWATER TREATMENT PLANT. FACILITY NO. TXD001700806. FACILITY NAME: CHOCOLATE BAYOU COMPLEX ADDRESS: ALVIN, BRAZORIA COUNTY, TEXAS REGISTERED AGENT FOR SERVICE: C.T. CORPORATION P.O. BOX 807 DALLAS, TEXAS 75221