WITHIN 30 DAYS OF THE EFFECTIVE DATE OF THIS AGREEMENT, THE SETTLING PARTIES SHALL PAY TO THE EPA HAZARDOUS SUBSTANCE SUPERFUND $130,000.00 IN REIMBURSEMENT OF PAST RESPONSE COSTS, ALLOCATED AS FOLLOWS: UNITED STATES GYPSUM COMPANY SHALL PAY $40,000.00; UNITED STATES STEEL SHALL PAY $60,000.00; WATERLOX COATINGS CORPORATION SHALL PAY $5,000.00; AND YOUNGSTOWN BARREL & DRUM COMPANY SHALL PAY $25,000.00. IN THE EVENT THAT ANY PAYMENT IS NOT MADE WHEN DUE, INTEREST SHALL CONTINUE TO ACCRUE ON THE UNPAID BALANCE THROUGH THE DATE OF PAYMENT, AND SETTLING PARTIES SHALL PAY TO EPA, AS A STIPULATED PENALTY $500.00 PER VIOLATION PER DAY THAT SUCH PAYMENT IS LATE.