The employer must make sure each room with an exhaust hood has a source of outside air that:
Wash. Admin. Code § 296-307-45020
Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. 03-10-068, § 296-307-45020, filed 5/6/03, effective 8/1/03.