THIS ORDER IS ISSUED PURSUANT TO THE AUTHORITY VESTED IN THE PRESIDENT OF THE UNITED STATES BY SECTION 106(A) OF THE COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPENSATION, AND LIABILITY ACT OF 1980, THIS ORDER PERTAINS TO PROPERTY LOCATED AT 1 MOBILE AVENUE, SAUGET, ILLINOIS (THE RRG/CLAYTON CHEMICAL CO. SUPERFUND SITE OR THE SITE ). THIS ORDER REQUIRES THE RESPONDENTS TO CONDUCT REMOVAL ACTIVITIES DESCRIBED IN THE ATTACHED WORK PLAN AMENDMENT FOR THE RRG/CLAYTON CHEMICAL COMPANY SUPERFUND SITE TO ABATE AN IMMINENT AND SUBSTANTIAL ENDANGERMENT TO THE PUBLIC HEALTH, WELFARE OR THE ENVIRONMENT THAT MAY BE PRESENTED BY THE ACTUAL OR THREATENED RELEASE OF HAZARDOUS SUBSTANCES AT OR FROM THE SITE.