RCW 70A.15.5010: Outdoor burning—Fires prohibited—Exceptions.

Except as provided in RCW 70A.15.5180, no person shall cause or allow any outdoor fire:

(1) Containing garbage, dead animals, asphalt, petroleum products, paints, rubber products, plastics, or any substance other than natural vegetation that normally emits dense smoke or obnoxious odors. Agricultural heating devices that otherwise meet the requirements of this chapter shall not be considered outdoor fires under this section;

(2) During a forecast, alert, warning or emergency condition as defined in RCW 70A.15.6010 or impaired air quality condition as defined in RCW 70A.15.3580.