Illinois Department of Professional Regulation         
320 West Washington Street, 3rd floor 
Springfield, IL 62786 
Telephone: (217) 782-8556 

http://www.dpr.state.il.us  

Bureau of Alcohol, Tobacco, Firearms, and Explosives

http://www.atf.gov

Department of the Interior

http://www.doi.gov

Department of Transportation

http://www.dot.gov

Explosives Academy 

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Occupational Safety and Health Administration