THIS SUMMARY REFERS TO A PRE-REFERRAL SETTLEMENT NEGOTIATION LITIGATION REPORT ( PRN ) FOR A PROPOSED CIVIL ACTION UNDER SECTIONS 106 AND 107 OF CERCLA FOR THE OCCIDENTAL CHEMICAL CORPORATION SUPERFUND SITE IN LOWER POTTSGROVE TOWNSHIP, MONTGOMERY COUNTRY, PENNSYLVANIA ( THE SITE ) AGAINST FIVE POTENTIALLY RESPONSIBLE PARTIES ( PRPS ), THREE OF WHICH ARE FEDERAL GOVERNMENT ENTITIES, ALL OF WHOM ARE CURRENT AND FORMER OWNER/OPERATORS OF THE SITE. THE SITE IS HIGHLY CONTAMINATED WITH HAZARDOUS SUBSTANCES ASSOCIATED WITH THE MANUFACTURING OPERATIONS CONDUCTED THERE. THE LIABILITY CASE IS SOLID AGAINST ALL FOUR OF THE OWNER/OPERATORS. THE SETTLEMENT SHOULD ENTAIL PERFORMANCE OF REMDIAL DESIGN/REMEDIAL ACTION (RD/RA) AND PAYMENT OF THE UNITED STATES' PAST AND FUTURE RESPONSE COSTS RELATED TO THE SITE.