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Washington Administrative Code (Last Updated: November 23, 2016) |
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Title 296. Labor and Industries, Department of |
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Chapter 296-62. General occupational health standards. |
Section 296-62-13605. Definition.
Latest version.
- Ventilation shall mean the provision, circulation or exhausting of air into or from an area or space.(1) "Local exhaust ventilation" shall mean the mechanical removal of contaminated air from the point where the contaminant is being generated or liberated.(2) "Dilution ventilation" means inducing and mixing uncontaminated air with contaminated air in such quantities that the resultant mixture in the breathing zone will not exceed the permissible exposure limit (PEL) specified for any contaminant.(3) "Exhaust ventilation" means the general movement of air out of the area or permit-required confined space by mechanical or natural means.(4) "Tempered make-up air" means air which has been conditioned by changing its heat content to obtain a specific desired temperature.