If necessary to keep rooms free of excessive heat, steam, condensation, vapors, obnoxious odors, smoke and fumes, mechanical ventilation of sufficient capacity must be provided.
[Statutory Authority: RCW
43.20.050 and
43.20.145. WSR 21-01-122, § 246-215-06345, filed 12/15/20, effective 3/1/22; WSR 13-03-109, § 246-215-06345, filed 1/17/13, effective 5/1/13.]