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Sheriff's Office
Arapahoe County Government
13101 Broncos Parkway
Centennial, CO   80112
303-795-4711 non-emergency
911 emergency
E-mail: Sheriff




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Home>> Departments>> Sheriff>> Public Safety Bureau>> Investigation Services


The Environment Crimes Unit consists of two investigators and a specialist technician. ECU members handle hazardous materials related investigation and fire code enforcement actions. They monitor hazardous materials and conduct investigations into violations of law as they pertain to the improper handling, use and storage of chemicals, which can cause a threat to the safety of the community. Arson investigations are conducted for many Arapahoe County fire agencies. 

ECU members also manage the Arapahoe/Douglas County Hazardous Materials Response Team. This includes hazardous materials response within most Arapahoe and Douglas County fire districts. ECU members also compile data on a federal law requiring businesses to report all chemicals on site. Called SARA Title III, this law is intended to provide emergency agencies with adequate information to plan for response and assists in determining necessary safety procedures to be implemented at businesses. The ECU currently tracks over 36,000 chemicals that exist in businesses in Arapahoe County.