Physical Requirements: Moderate lifting, 15-44 pounds, Moderate carrying, 15-44 pounds, Straight pulling (1 hour), Pulling hand over hand (1 hour), Pushing (1 hour), Reaching above shoulder, Use of fingers, Both hands required, Walking (3 hours), Standing (3 hours), Crawling (1hour), Repeated bending (1 hour), Climbing, use of legs and arms, Both legs required, Operation of crane, truck, tractor, or motor vehicle, Ability for rapid mental and muscular, Near vision correctable at 13" to 16" to Jaeger 1 to 4, Far vision correctable in one eye to 20/20 and to 20/40 in the other, Depth perception, Ability to distinguish basic colors, Ability to distinguish shades of colors, Hearing (aid may be permitted), emotional & mental stability, prosthetic limbs permitted. A bachelors degree in a branch of engineering, physical science, or life science that included 12 semester hours in chemistry, including organic chemistry, and 18 additional semester hours of courses in any combination of chemistry, physics, engineering, health physics, environmental health, biostatistics, biology, physiology, toxicology, epidemiology, or industrial hygiene; or.