How is “source” defined for environmental regulatory purposes?
In the Air Quality Division, a “source” can be a power plant, factory, farm, gas station, dry cleaning business, mining operation or any activity that releases pollutants into the air. Cars, trucks and other motor vehicles are considered mobile sources because they can move around. Equipment, machines and consumer products that can be moved from site to site are called portable sources. Sources that stay in one place are referred to as stationary sources. See ARS§ 49-401.01 for details.
