The Southwest Clean Air Agency (SWCAA) is responsible for enforcing federal, state and local outdoor air quality standards and regulations in Clark, Cowlitz, Lewis, Skamania and Wahkiakum counties of southwest Washington state. Our mission is to preserve and enhance air quality in southwest Washington. Burn Ban, asbestos, woodstoves, clean air tips, air permits, notice of violation, title V, SEPA, SUNS, VOC, NOX, SO2, MACT, NESHAPS, NSPS, EPA, Dry Cleaners, Gas dispensing, outdoor burning, TAPS, HAPS, Air Pollutants, coal trains, columbia river gorge, ozone, green house gases, CO, CO2, burning, residential burning, land clearing, agricultural burning, recreational fires, silvicultural burning, air stagnation, burn permits, PM2.5, permit fees, emission inventory, fire danger level,