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PDFWAC 296-818-40005


You must make sure exhaust systems are constructed, installed, inspected, and maintained to meet both of the following:
(1) The American National Standards Institute (ANSI), Z9.2-2001 for Fundamentals Governing the Design and Operation of Local Exhaust Systems;
(2) The National Fire Protection Association (NFPA) 91-2004 for Exhaust Systems for Air Conveying of Vapors, Gases and Noncombustible Particulate Solids.
Refer to the American National Standards Institute, ANSI Z9.4-1997 for information on Exhaust Systems for Abrasive-blasting Operations, Ventilation, and Safe Practices for Fixed Location Enclosures.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-18-075, § 296-818-40005, filed 9/5/17, effective 10/6/17; WSR 06-12-074, § 296-818-40005, filed 6/6/06, effective 9/1/06.]
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