07/30/91: THE TAR CREEK SITE IS A FORMER LEAD AND ZINC MINING AREA COVERING APPROXIMATELY FORTY SQUARE MILES IN NORTHEAST OKLAHOMA. EPA FILED SUIT AGAINST SEVERAL COMPANIES AND IS SEEKING REPAYMENT OF PAST COSTS. THE CONSENT AGREEMENT CALLS FOR THE PAYMENT OF APPROXIMATELY $1.3 MILLION IN PAST COSTS ASSOCIATED WITH THE RESPONSE ACTIONS CARRIED OUT BY EPA.