Federal law requires individuals applying for positions involving the operation of certain transit vehicles, revenue service vehicles, the transportation of hazardous materials, or heavy equipment over 26,001 pounds requiring a commercial drivers license, must undergo pre-employment drug testing as a condition of employment. Additionally, the following physical demands may be required: balancing, climbing, crawling, crouching, feeling, manual dexterity, grasping, handling, hearing, kneeling, lifting, mental acuity, pulling, pushing, reaching, repetitive motion, speaking, standing, stooping, talking, visual acuity, walking.