Site Alert

On Sunday, October 23 from 7 a.m. to 8 a.m. we will not be able to process credit card payments. We apologize for the inconvenience.


Ventilation - Figure 2

Components of a local exhaust system: Hood, Duct, Air Cleaner, Fan, Stack. Air flows through the hood and all the components finally out the stack.

End of main content, page footer follows.

Access Washington official state portal

  © Washington State Dept. of Labor & Industries. Use of this site is subject to the laws of the state of Washington.

Help us improve