R392-510-8. Protection of Air Used for Ventilation

(1) Smoking is not permitted within 25 feet of any entranceway, exit, open window, or air intake of a building where smoking is prohibited. (2) Ashtrays may be placed near entrances if they have durable, and easily readable signage that: (a) refers to the 25-foot prohibition described in Subsection (1); (b) indicates that the ashtray is provided for convenience only; and (c) states that the area around the ashtray is not a smoking area. (3) An employer shall establish a written policy to prohibit employee smoking within 25 feet of any entranceway, exit, open window, or air intake of a building where smoking is prohibited.