SAUGET AREA 1 IS COMPRISED OF 5 UNLINED, UNCONTROLLED DISPOS AL SITES CONTAINING BOTH MUNICIPAL AND INDUSTRIAL WASTES AS WELL AS 3.5 MILES OF CONTAMINATED STREAM SEDIMENTS. THE SITE IS LOCATED IN A MIXED RESIDENTIAL AND INDUSTRIAL AREA AND THE CONTAMINATED STREAM ALSO FLOWS THROUGH A NATURAL AREA NEAR THE MISSISSIPPI RIVER. THE ENTIRE SITE IS LOCATED WITHIN THE FLOODPLAIN FOR THE MISSISSIPPI RIVER. THE AOC/ SOW SIGNED BY THE PRPS (MONSANTO CO. AND SOLUTIA, INC.) DIRECTS THE RESPONDENTS TO CONDUCT EXTENSIVE FIELD SAMPLING TO DEFINE THE NATURE AND EXTENT OF CONTAMINATION, CONDUCT BOTH HUMAN HEALTH AND ECOLOGICAL RICK EVALUATIONS, AND TO WRITE A RI/FS (FOR GROUNDWATWE) AND AN EE/CA (FOR SOURCE CONTROL) TO EVALUATE OPTIONS FOR REMEDIATING THIS SITE. A SEPARATE CONSENT DECREE WILL BE NEGOTIATED AFTER THE RI/FS AND EE/CA ARE APPROVED BY U.S. EPA TO CONDUCT THE REMOVAL AND REMEDIAL ACTIONS SELECTED BY THE AGENCY. SPECIAL NOTICE LETTERS WERE SENT TO 26 PRPS ALONG WITH THIS AOC/SOW. ONLY MONSANTO AND SOLUTIA SIGNED THE AOC. A SEPARATE CONSENT DECREE WILL BE NEGOTIATED SOON FOR THE PURPOSE OF COLLECTING U.S. EPA'S PAST COSTS (NOT PART OF THIS AOC).