WAC 296-301-225   Workroom ventilation.  In all workrooms in which potentially toxic substances are used, the maximum allowable concentrations listed in chapter 296-841 WAC, airborne contaminants, shall be maintained. Open surface tanks shall conform to the requirements of WAC 296-62-11021.



[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. 07-03-163, § 296-301-225, filed 1/24/07, effective 4/1/07; Order 74-19, § 296-301-225, filed 5/6/74.]