THIS PRE-REFERRAL NEGOTIAITON CIVIL LITIGATION REPORT CONCERNING THE OHIO RIVER PART SUPERFUND SITE HAS BEEN PREPARED IN ANTICIPATION OF NEGOTIATIONS FOR REMEDIAL DESIGN/REMEDIAL ACTON AND COST RECOVERY UNDER SECTIONS 106 AND 107 OF CERCLA. A PROPOSED REMEDIAL ACTION PLAN WAS PREPARED FOR PUBLIC COMMENT IN APRIL OF 1996. THE PUBLIC MEETING WAS HELD ON APRIL 15, 1996. THE PUBLIC COMMENT PERIOD ENDED ON MAY 1, 1996. THE RECORD OF DECISION FOR OPERABLE UNIT 1 WAS ISSUED ON SEPTEMBER 27, 1996. SPECIAL NOTICE LETTERS ARE EXPECTED TO BE ISSUED IN MARCH 1997. PRIOR TO THE 1940'S, THE PREDOMINANT LAND USE AT THE SITE AS AGRICULTURAL. BEGINNING IN THE MID-1930'S UNITL THE MID- 1950'S, A PORTON OF THE SITE WAS USED FOR MUNICIPAL LANDFILL OPERATIONS INCLUDING THE DISPOSAL OF DOMESTIC TRASH AND CONSTRUCION DEBRIS. INDUSTRIAL WASTE DISPOSAL ACTIVITIES WERE CONDUCTED AT THE SITE FROM 1952 THROUGH THE 1960'S. AVAILABLE INFORMATION INDICATES THAT PITTSBURGH COKE AND CHEMICAL COMPANY DISPOSED OF MUCH OF THE INDUSTRIAL WASTE AT THE SITE. PC&C BEGAN PRODUCION OF COKE AND PIG IRON ON THE EASTERN END OF THE ISLAND IN 1929, OPERATED A CEMENT PRO DUCTS PLANT DURING THE 1930'S AND PRODUCED COAL COKING BY-PRODUCTS DURING THE 1940'S. BETWEEN 1949 AND 1955, PC&C' S AGRICULTURAL CHEMICALS DIVISION MANU