Physical and Environmental Requirements Physical Activity: Requires more than 2/3 of time sitting, and talking or hearing; 1/3 to 2/3 of time standing, walking, using hands/fingers to handle and/or feel and reaching with hands and arms; less than 1/3 of time climbing or balancing and stooping, kneeling, crouching or crawling. Environment: Requires more than 2/3 of time in an office setting with very limited exposure; less than 1/3 of time exposed to wet/humid conditions, fumes or airborne particles, toxic/caustic chemicals, outdoor weather, and extreme heat/cold.