THIS ORDER REQUIRES RESPONDENTS TO IMMEDIATELY DEVELOP AND IMPLEMENT A PLAN DESCRIBING BEST MANAGEMENT PRACTICES RESPONDENTS WILL USE TO PREVENT FURTHER DISCHARGES OF POLLUTANTS FROM THE FACILITY TO WEAVER BRANCH AND ITS TRIBUTARIES; CEASE FURTHER RECEIPT OF HAZARDOUS WASTE AT THE FACILITY UNTIL THE MATERIALS CAN BE HANDLED IN COMPLIANCE WITH ALL STATE AND FEDERAL REQUIREMENTS; IDENTIFY ALL SOLID AND HAZARDOUS WASTES CURRENGLY BEING TREATED, STORED OR DISPOSED AT THE FACILITY; RESTRICT ACCESS TO SOLID AND HAZARDOUS WASTES THAT HAVE BEEN DISPOSED AT THE FACILITY; OBTAIN A NPDES PERMIT PURSUANT TO THE CWA FROM THE STATE OF MISSOURI; DEVELOP A SITE CHARACTERIZATION PLAN TO DETERMINE WHERE HAZARDOUS WASTES HAVE BEEN DISPOSED AT THE FACILITY INCLUDING AN INVESTIGATION TO DETERMINE THE EXTENT OF OFF-SITE MITIGATION OF WASTE; AND CLEAN UP THE PROPERTY AND ANY CONTAMINATED SURROUNDING AREAS AS NECESSARY.