With staff of 1,000, the Division covers a broad range of subject matter, including oversight of environmental investigations, lead poisoning, injury prevention, occupational health, food safety, childcare, radiation control, recreational and drinking water quality, air quality, climate health, vector control, veterinary public health and pest control. A baccalaureate degree from an accredited college, including or supplemented by 30 semester credits in the physical and/or biological sciences, i.e., biology, botany, chemistry, geology, physics, physiology, and zoology; of which not more than 12 credit hours may be in the applied sciences, i.e., environmental technology, sanitation technology, medical technology, public health, infection control or food service; or.