Washington Administrative Code
Title 296 - Labor and Industries, Department of
Chapter 296-818 - Abrasive blasting
Section 296-818-40005 - Construction
Current through Register Vol. 24-06, March 15, 2024
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.
Reference: 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, 49.17.060. 06-12-074, § 296-818-40005, filed 6/6/06, effective 9/1/06.
