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, 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.]