R392-510-9. Protection of Air Used for Ventilation  


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  •   (1) Smoking is not permitted within 25 feet of any entrance-way, exit, open window, or air intake of a building where smoking is prohibited.

      (2) Ashtrays may be placed near entrances only if they have durable and easily readable signage indicating that the ashtray is provided for convenience only and the area around it is not a smoking area. The sign shall include a reference to the 25 foot prohibition.

      (3) An employer shall establish a policy to prohibit employee smoking within 25 feet of any entrance-way, exit, open window, or air intake of a building where smoking is prohibited.