Work environment is primarily outdoors in a refuse environment and the employee may be exposed to loud noises, waste, and infectious materials, wet or humid conditions, moving mechanical parts, high and precarious places, fumes, or airborne particles, toxic or caustic chemicals, outdoor weather conditions, extreme cold, extreme heat, risk of electrical shock, and vibrations. The worker must possess the visual ability to see at close (20 inches or less) and far (20 feet or more) distances, identify and distinguish colors, observe an area that can be seen up and down and left and right while eyes are fixed on a given point, judge distances and spatial relationships, and adjust the eye to bring an object into sharp focus.