2/24/00: THE SHELLER-GLOBE DISPOSAL SITE IS LOCATED APPROXI MATELY FOUR MILES NORTHEAST OF THE CITY OF KEOKUK, IOWA. SHE LLER-GLOBE CORPORATION (SUBSEQUENTLY KNOWN AS UNITED TECHNOL OGIES AUTOMOTIVE SYSTEMS, INC. AND NOW KNOWN AS UTAS) PURCHA SED THE SITE IN 1948. FROM 1948 UNTIL 1972, IT HAULED WASTE MATERIALS TO THE SITE FROM THE FORMER SHELLER-GLOBE FACILIT Y LOCATED IN KEOKUK. DURING THE YEARS THE SITE WAS USED AS A DISPOSAL AREA, THE SHELLER-GLOBE KEOKUK PLANT MANUFACTURED VARIOUS RUBBER PRODUCTS AND AUTOMOBILE PARTS. THE WASTE MA TERIAL BROUGHT TO THE SITE FOR DISPOSAL INCLUDED RUBBER, WOO D, PAPER, PLASTICS, AND DRUMS OF VARIOUS SOLVENTS AND PAINT SLUDGES. THESE WASTE MATERIALS WERE BROUGHT TO THE SITE VIA AN ACCESS ROAD RUNNING ALONG THE CREST OF A HILL ON THE SIT E. THE WASTES WERE DUMPED AT THE CREST OF THE HILL, PERIODI CALLY BURNED, AND BULLDOZED OVER THE HILLSIDES. IN 1972, SHE LLER-GLOBE DISCONTINUED THE USE OF THE SITE AS A DISPOSAL AR EA AND THE PRIMARY DISPOSAL AREA WAS COVERED WITH SOIL.A PRI VATE HOME WAS SUBSEQUENTLY CONSTRUCTED ON THE SITE AND USED AS A PRIMARY RESIDENCE UNTIL 1991.IN 1986 AND 1987, EPA COND UCTED SITE INVESTIGATIONS AT THE SITE. THE SITE SCORED A 3 5.42 ON EPA'S HAZARDOUS RANKING SYSTEM. IT WAS PROPOSED TO BE ADDED TO THE NATIONAL PRIORITIES LIST (NPL) IN THE FEDERA L REGISTER ON MAY 5, 1989. 54 FED. REG. 19526 (MAY 5, 1989) . THE PROPOSED LISTING WAS FINALIZED ON SEPTEMBER 30, 1990. 55 FED. REG. 35502 (SEPTEMBER 30,