Fairfax County Health Department's Division of Environmental Health protects and improves public health by preventing, minimizing and eliminating exposure to biological, chemical or physical hazards through a variety of regulatory activities, including permitting and inspecting businesses and public facilities. Environmental Health Specialists also investigate reports of public health and safety menaces anywhere in the community including residential, commercial and industrial areas. In addition, the Health Department conducts mosquito and tick surveillance and a broad range of educational activities.