THIS CD ADDRESSES THE PERFORMANCE OF THE OU3 INTERIM ROD (IROD) IN CONNECTION WITH THE RELEASE OR THREAT OF RELEASE OF HAZ SUBSTANCES, NAMELY OF PCBs AT OU3 OF THE SITE. THIS SETTLEMENT ADDRESSES THE FIRST REMEDIAL ACTION SELECTED FOR THE SITE. OU3 OR THE FAICLITY PROPERTY (AND THE ADJACENT LANDFILLS) IS THE ORIGINAL SOURCE OF THE CONTAMINATION. THE SELECTED REMEDY INCLUDES SOIL CAPPING AND EXPANDED GROUNDWATER EXTRACTION AND MAN. SOME OF THE COMPONENTS OF THE REMEDY INCLUDE: INSTALLING A NEW RCRA SUBTITLE C CAP OVER VARIOUS LANDFILL CELLS AND CONTAMINATED PORTIONS OF THE FACILITY PROPERTY, ENHANCED INSTITUTIONAL CONTROLS, INSTALLING ADDITIONAL FENCING, OPTIMIZING AND EXPANDING THE EXISTING GROUNDWATER CORRECTIVE ACTION SYSTEM, PRE-TREATING THE EXTRACTED GROUNDWATER PRIOR TO DISCHARGE TO THE POTW AN DPROVIDING OPERATOIN, MONITORING AND MAINTENANCE OF ALL THE REMEDIAL COMPONENTS INSTALLED. THE LONG TERM GOAL OF RESTORATION OF GROUNDWATER TO BENEFICIAL (I.E., THE ATTAINMENT OF DRINKING WATER STANDARDS) WILL ULTIMATELY BE MET WITH THE ISSUANCE OF A FINAL ROD ONCE CONFIRMATION SAMPLING UNDER THIS ACTION DEMONSTRATES THAT RESTORATOIN OF THE GROUNDWATER IS ACHIEVABLE.
S/P AND ITS PREDECESSORS HAVE OWNED AND OPERATED THE FACILITY COMPRISING OU3 SINCE THE EARLY 1990s. THIS FACILITY PRODUCED PCBs FROM 1929 TO 1971. FORMER MONSANTO'S RECORDS INDICATE THAT APPROX 680,000,000 POUNDS OF PCBs WERE MANUFACTURED AT THE PLANT, WHICH ULTIMATELY GENERATED 87,229,412 POUNDS OF PCB WASTE AT OU