DURING THE DESIGN PROCES FOR THE GROUNDWATER REMEDY CONTEMPLATED IN THE ROD FOR OU1, REGION 4 HAD PRELIMINARILY IDENTIFIED 14 AREAS OF SOIL CONTAMINATION THAT WERE POTENTIAL SOURCES OF GROUNDWATER CONTAMINATION. HOWEVER, DURING THE RI/FS PROCESS FOR OU2 AT THE LEMOYNE SITE THE REG ION CAME TO THE CONCLUSION THAT ONLY A SINGLE SOURCE, KNOWN AS THE HALBY AREA, MERITED REMEDIATION. THE REMEDY CONTAINE D IN THE ROD FOR OU2 FOR THE LEMOYNE SITE IS EXPECTED TO CONSIST OF IN-SITU FLUSHING OF THE CONTAMINANTS OF CONCERN (PRIMARILY THIOCYANATES) IN THE SUBSURFACE SOIL FOR CAPTURE AND TREATMENT BY A PORTION OF THE GROUNDWATER EXTRACTION SYSTEM CURRENTLY IN OPERATION AS OU #1. CURRENT OWNER/OPERATOR: AKZO NOBEL CHEMICALS, INC. OWNER/OPERATOR AT TIME OF DISPOSAL: WITCO CORP. EPA INTENDS OF ATTEMPT TO NEGOTIATE A CD WITH AKZO AND WITCO THAT WILL REQUIRE TEM TO PERFORM THE RD/RA FOR OU 2 AND TO PAY ALL PAST AND FUTURE RESPONSE COSTS FOR THE OU2 REMEDY AT THE SITE. IF UNSUCCESSFUL, EPA ANTICIPATES, EPA ANTICIPATES ISSUANCE OF A UAO AS OPPOSED TO USING FUND MONEY. NO SPECIAL CIRCUMSTANCES. 5/5/00 - REFERRAL SENT TO DOJ. THE SITE CONTAINS APPROX. 40,000 CY OF SUBSURFACE SOIL CONTAMINATED WITH THIOCYANATE AND CYANIDE. THE THREAT IS TO GROUNDWATER. DEFENDANTS WILL BUILD AND OPERATE AN