THIS ORDER REQUIRES THE RESPONDENTS, AMERICAN PREMIER UNDER- WRITERS ARNOLD HOUSE AND/OR THE ESTATE OF ARNOLD HOUSE, DOVIE HOUSE, TO CONDUCT REMOVAL ACTIVITIES TO ABATE AN IMMINENT AND SUBSTANTIAL ENDANGERMENT TO THE PUBLIC HEALTH, WELFARE OF THE ENVIRONMENT THAT MAY BE PRESENTED BY THE ACTUAL OR THREATENED RELEASE OF HAZARDOUS SUBSTANCES AT OR FROM THE SITE. RESPONDENTS SHALL REIMBURSE U.S. EPA, UPON WRITTEN DEMAND, FOR ALL RESPONSE COSTS INCURRED BY THE UNITED STATES IN OVERSEEING RESPONDENTS' IMPLEMENTATION OF THE REQUIREMENTS OF THIS ORDER. VIOLATION OF ANY PROVISION OF THIS ORDER MAY SUBJECT RESPONDENTS TO CIVIL PENALTIES OF UP TO $27,500 PER VIOLATION PER DAY.