Work Exposures: There is occasional exposure to individuals who are hostile or irate, extreme cold (below 32 degrees), extreme heat (above 100 degrees), fumes or airborne particles, toxic or caustic chemicals or substances moving mechanical parts, and loud noises (85+ decibels average over 8-hour working day such as heavy trucks, jack hammers, leaf blowers, lawn mowers, construction). With over 10,000 acres of land, 220 parks, and 120 miles of greenway trails, the Department provides a wide range of facilities, amenities, and programs that support the social, cultural, mental and physical well- being of citizens.