70 ILCS 3110/5
The Service shall consist of one member from each of the participating municipalities and the director of the Environmental Protection Agency, ex officio. Each member from a participating municipality shall be appointed by the Governor from a list of at least three persons, which list has been submitted to the Governor by such participating municipality. Each such list shall be submitted to the Governor after approval by the Mayor of the municipality submitting such list. Members from a participating municipality shall serve terms of 4 years and shall continue in office until their successors have been appointed and qualified. A member of the Service, before entering upon his or her duties, shall take an oath which shall be filed with the Secretary of State. The members of the Service may be removed by the Governor at any time in the event the Governor has previously received a resolution of that municipality which nominated such a member for appointment requesting that such member be removed.
70 ILCS 3110/5