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Contact EPA Region 5
Region 5 Main Number 312-353-2000
Call Region 5 toll-free at 800-621-8431 (The toll-free number only works in Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin.) Call us on weekdays from 8:30 am to 4:30 pm Central time. You can leave a message if you call outside of business hours.
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US EPA Region 5
77 W. Jackson Blvd.
Chicago, IL 60604