Massachusetts State Board of Building Regulations and Standards       
McCormack State Office Building 
One Ashburton Place, Room 1301 
Boston, MA 02108              

Telephone: (617) 727-3200
http://www.state.ma.us/bbrs/hic.htm 

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