PDFWAC 296-307-45020

Take additional precautions when using an exhaust hood.

You must:
• Make sure each room with an exhaust hood has a source of outside air that:
– Enters the room in a way that will not interfere with the function of the hood
– Replaces at least ninety percent of the air taken in through the hood.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 03-10-068, § 296-307-45020, filed 5/6/03, effective 8/1/03.]