Current through Register Vol. 24-20, October 15, 2024
Section 296-820-835 - Exposure controls(1) Where the current PM2.5 is 20.5 µg/m3 (AQI 69) or more, the employer is encouraged to implement exposure controls.(2) Where the current PM2.5 is 35.5 µg/m3 (AQI 101) or more, the employer must implement effective exposure controls whenever feasible.(3) Such controls include, but are not limited to:(a) Providing enclosed buildings, structures, or vehicles where the air is adequately filtered;(b) Providing portable HEPA filters in enclosed areas;(c) Relocating work to a location with a lower ambient air concentration of PM2.5;(d) Changing work schedules to a time with a lower ambient air concentration of PM2.5;(e) Avoiding or reducing work that creates additional exposures to dust, fumes, or smoke;(f) Reducing work intensity; and(g) Providing additional rest periods.(4) WAC 296-820-835 is not required during emergency response. Note: | Exposure controls may be implemented to the extent that the work is no longer covered by the scope of this rule as listed in WAC 296-820-805 (1) or (2). |
Wash. Admin. Code § 296-820-835
Adopted by WSR 24-01-070, Filed 12/14/2023, effective 1/15/2024