THIS IS A CIVIL ACTION TO RECOVER RESPONSE COSTS INCURRED BY THE U.S. RELATED TO A REMOVAL ACTION, REMEDIAL INVESTIG- ATIONS AND FEASIBILITY STUDIES FOR TWO OPERABLE UNITS, AND THE REMEDIAL DESIGN FOR OPERABLE UNIT ONE AT THE WALDICK AEROSPACE DEVICES SITE (THE SITE ), LOCATED IN WALL TOWNSHIP, MONMOUTH COUNTY, NEW JERSEY. THE ACTION ALSO SEEKS A DECLARATORY JUDGMENT FOR FUTURE COSTS TO BE INCURRED AT THE SITE. THE SITE, WHICH INCLUDES THE INACTIVE WALDICK AEROSPACE DEVICES, INC. ( WALDICK ) INDUSTRIAL FACILITY, WAS PLACED ON THE NATIONAL PRIORITIES LIST ( NPL ) IN JUNE 1986. EPA CONDUCTED A REMOVAL ACTION AT THE SITE BETWEEN 4/22/86, AND 8/2/86, DURING WHICH THE DRUMS AND CONTAINERS OF VARIOUS HAZARDOUS SUBSTANCES WERE SAMPLED, OVERPACKED AND REMOVED FROM THE SITE. ALL WERE DISPOSED AT A LICENSED OFF-SITE DISPOSAL FACILITY. BETWEEEN APRIL 1985, AND SEPTEMBER 1987, EPA CONDUCTED A REMEDIAL INVESTIGATION/FEASIBILITY STUDY ( RI/FS ) AT THE SITE. THE RESULTS INDICATED THAT TWO BUILDINGS ON THE SITE AND THE SOIL SURROUNDING THEM CONTAINED HAZARDOUS SUBSTANCES AND THAT FURTHER CHARACTERIZATION OF THE GROUNDWATER CON- TAMINATION WAS REQUIRED. BASED ON THIS RI/FS, EPA ISSUED A RECORD OF DECISION ( ROD ) FOR OPERABLE UNIT ONE ON 9/29/87. IN THIS ROD, EPA SELECTED S REMEDY FOR THE CON- TAMINATED SOURCE MATERIAL AT THE SITE.