Physical/Sensory Work Requirements : Ability to: Sit and/or stand for long periods of time; Type and/or perform keyboarding and computer interfacing for extensive periods of time to enter, extract, and retrieve data; Remain calm, think clearly, quickly assess, and evaluate situations, organize thoughts, and respond quickly in emergency and stressful situations; Hear and understand speech and radio transmissions; Communicate clearly in the English language by voice, in-person and via a police radio and/or phone and by other communication systems. Action Activity - none that are essential; Motion Activity - graphing; Hearing Activity - in noisy areas, on a radio, behind themselves and equipment alarms; Speaking Activity - in person, on the phone, on a radio; Vision - may be required to operate motor vehicle; must be able to distinguish colors, have depth perception and have peripheral vision.