How often and where are wastewater examinations offered?
Examinations are offered every month at a minimum of four sites around the state. In the Greater Chicago metropolitan area an exam is offered every month. In all other areas of the state, exams are offered once every two months (every other month). At times, additional special exams may be offered. Generally, exams are offered at Agency regional office facilities. Exceptions are the Greater Chicago metropolitan area, the Greater St. Louis metropolitan area, and special exams, all of which utilize non-Agency sites.
