On a continuous basis, sit at desk and/or stand for long periods of time. Frequently required to operate a motor vehicle. Frequently required to see, hear and talk with employees and the public. Frequently required to read and/or present documents, write or use keyboard to communicate through written means. Frequently required to climb or balance, stoop, kneel, crouch, taste, or smell. Intermittently twist and reach office equipment and field equipment and tools; on occasion lift or carry weight of up to 50 pounds. Frequently exposed to wet and/or humid weather conditions, mechanical moving parts, vibration, high places, fumes and/or airborne particles, chemicals, loud noise, and risk of electric shock. Specific vision requirements include close vision, color vision, peripheral vision, depth perception and ability to adjust focus.