NATURAL RESOURCES DEFENSE COUNCIL? ? ) To:John Therriault, Clerk?? ? ? ? Persons on the attached service listIllinois Pollution Control BoardJames R.
Thompson Center
Suite 11-500100 West RandolphChicago, IL 60601Please take notice that today I filed with the office of the Clerk of the Pollution Control Boardmy Appearance on behalf of the Sierra Club, a copy of which is hereby served on you.