EPA INITIALLY IDENTIFIED THESE PARTIES AS PRPS BASED ON AVAILABLE EVIDENCE. AS A RESULT, THEY AND 44 OTHER PARTIES RECEIVED A UAO FOR CLEANUP OF THE CONTAMINATION SOURCE AREAS THESE RESPONDENTS, ALLIED WASTE SYSTEMS AND PRESTIGE FOOD CORPORATION, PAID TO PARTICIPATE IN THE PRP GROUP THAT PERFORMED THE WORK. AT THE SAME TIME, THEY BEGAN PROVIDING EPA WITH NEW INFORMATION INDICATING THAT THEIR CONTRIBUTION TO THE SITE WAS DE MINIMIS AT MOST. EPA EVENTUALLY AGREED THAT THESE PARTIES WERE DE MINIMIS, DID NOT NAME THEM IN THE SUBSEQUENT UAO FOR PERFORMANCE OF THE GROUNDWATER REMEDY AT THE SITE, AND AGREED TO ENTER THIS SETTLEMENT TO PROVIDE THEM WITH CERTAINTY AND CONTRIBUTION PROTECTION. $5-10,000 IN PAST COSTS.