Will be required to work in an office and all types of field environments, be exposed to inclement weather conditions, and enter and perform work in establishments which may have nudity, sexually explicit pictures and literature; come in contact with materials/wastes including odors and fumes from various industrial processes, cleaning solvents, chlorine, and insecticides; ability to tolerate very hot and cold temperatures, walk or stand for extended periods of time with no rest, walk over rough terrain, work at heights higher than 10 feet, and bend or stoop repeatedly or continually over time; ability to use stomach and lower back to support the body when lifting. The principles of physical, biological, chemical, and social sciences used in environmental health and safety; functions and operations of related governmental agencies and community organizations; state and local laws and regulations governing environmental health and public health; penal code provisions relating to public health nuisances; methods and techniques of investigating, inspecting, and obtaining compliance where corrections are necessary; environmental research and statistical methods; principles and practices of environmental health and safety; principles of environmental planning and management.