If necessary to keep rooms free of excessive heat, steam, condensation, vapors, obnoxious odors, smoke, and fumes, mechanical ventilation of sufficient capacity shall be provided. Ventilation systems shall be installed and operated according to the Wisconsin Commercial Building Code, chs. SPS 361 to 366, as enforced by the Wisconsin department of safety and professional services.
Wis. Admin. Code Department of Agriculture, Trade and Consumer Protection 6-304.11
Contact the Safety and Buildings Division at the department of safety and professional services, P.O. Box 2509, Madison, WI 53701, telephone 608-266-3151 and 711 (TTY) or https://dsps.wi.gov/pages/home.aspx.