SEE ALSO PREVIOUS MATTER NUMBER 04-93-0393. THE PARA-CHEM SOUTHERN, INC., SITE (THE SITE) IS LOCATED ON A 100 ACREPARCEL OF LAND ON STATE HIGHWAY 14 IN SIMPSONVILLE, GREENVILLE COUNTY,SOUTH CAROLINA. THE SITE INCLUDES THE PARA-CHEM SOUTHERN, INC.(PARA-CHEM), FACILITY, WHICH IS AN ACTIVE LATEX, ACRYLIC COMPOUNDS, ANDADHESIVES MANUFACTURING PLANT. RD/RA NEGOTIATIONS THE PARA-CHEM FACILITY MANUFACTURES ACRYLIC POLYMERS, THICKENERS, LATEXCOATINGS, AND ADHESIVES FOR A VARIETY OF CONSUMER AND INDUSTRIALAPPLICATIONS. PARA-CHEM'S SIMPSONVILLE FACILITY IS A CHEMICALCOMPOUNDING BATCH PLANT. THE PLANT HAS BEEN IN OPERATION SINCE 1965 ANDCURRENTLY EMPLOYS APPROIMATELY 150 PEOPLE. SITE HISTORY BETWEEN 1975 AND 1979, PORTIONS OF THE AREA SURROUNDING PARA-CHEM'SMANUFACTURING PLANT WERE USED AS DISPOSAL AREAS FOR PROCESS WASTES.THESE AREAS INCLUDED TWO (2) WASTEWATER LAGOONS, A SERIES OF CONCRETESETTLING TANKS, FOUR (4) BURIAL TRENCHES, AND SEVERAL SLUDGE DISPOSALAREAS. THE TWO (2) LAGOONS WERE USED TO COLLECT WASTEWATER FROM THEFACILITY OPERATIONS. SOME OF THE SLUDGE FROM THE WASTEWATER WASPERIODICALLY REMOVED FROM ONE OF THESE LAGOONS AND PLACED DIRECTLY ONTOTHE GROUND. THE BURIAL TRENCHES WERE USED TO DISPOSE OF DRUMS AND OTHERWASTE MATE