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Find a staff contact by topic

How to reach us

phonePhone us from 8:30 am to 4:30 pm Central time at 312-353-2000 or
toll-free at 800-621-8431

(The toll-free number only works in the Region 5 states: Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin.)
mailRegular or certified mail address:

Air and Radiation Division
US EPA Region 5 (A-18J)
77 W. Jackson Blvd.
Chicago, IL 60604

onlineUse the comment form below to send us a comment or question, or send e-mail to Melissa Hulting (hulting.melissa@epa.gov), 312-886-2265.

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