Requires the department of commerce, in consultation with the department of health and the department of ecology, to complete a study regarding air quality implications of air traffic at the international airport in this state with the highest number of total annual departures and arrivals.

Requires the University of Washington to complete an assessment of the concentrations of ultrafine particulate matter, barium, aluminum, radioactive thorium, cadmium, chromium, and ethylene dibromide in areas surrounding and directly impacted by air traffic generated by the airport.

Expires June 30, 2022.