Air quality must be consistent with chapter 296-841 WAC, Airborne contaminants, and WAC 296-800-240, Environmental tobacco smoke.

1. (1) If indoor air monitoring indicates over-exposure to contaminant PELs, engineering controls must be utilized to reduce firefighter exposure to the lowest feasible level.
2. (2) All fixed internal combustion equipment such as, but not limited to emergency generators, must be effectively exhausted to the exterior of the fire stations.
3. (3) All facilities dedicated to the maintenance and repair of internal combustion equipment must have means for effective ventilation to the exterior of the building.

4. (4) All new fire stations must be designed and constructed to conform to ACGIH ventilation recommended criteria for exhaust of internal combustion engines.

   Additional reference: Industrial Ventilation Manual of Recommended Practices ISBN No.: 0-936712-65-1.

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 18-22-116, § 296-305-06511, filed 11/6/18, effective 12/7/18. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060 and 29 C.F.R. 1910.156, Fire brigades. WSR 13-05-070, § 296-305-06511, filed 2/19/13, effective 1/1/14. Statutory Authority: RCW 49.17.010, [49.17].040, and [49.17].050. WSR 01-11-038, § 296-305-06511, filed 5/9/01, effective 9/1/01. Statutory Authority: RCW 49.17.010, [49.17].050 and [49.17].060. WSR 96-11-067, § 296-305-06511, filed 5/10/96, effective 1/1/97; Order 77-20, § 296-305-06511, filed 10/18/77 and Emergency Order 77-24, filed 11/17/77, effective 12/17/77.]