Work Environment: Tasks may risk exposure to adverse environmental conditions, such as dirt, dust, pollen, odors, wetness, humidity, rain, fumes, temperature and noise extremes, machinery, vibrations, electric currents, traffic hazards, animals/wildlife, toxic/poisonous agents, violence, communicable diseases or pathogenic substances. Special Requirements: Must be at least twenty-one (21) years of age, have a valid driver's license, submit to a pre-employment screening (including physical exam, TB screen, drug screen) criminal record check and in-depth reference check.