<p> Air Pollution Cheat Sheet Primary Pollutant Source Secondary Pollutant CO Incomplete combustion of fossil N/A fuels</p><p>CO2 Combustion of fossil fuels, aerobic HCO3 (partly responsible for respiration acidification of the oceans) 2- SO2 Combustion of sulfur containing SO3, SO4 salts fossil fuels (bituminous, lignite), smelting ore - NOx High heat from combustion HNO3, NO3 salts engines cause Nitrogen & Oxygen from the atmosphere to combine </p><p>N2 + O2  NO VOC’s Industrial solvents, gases, gas PAN’s leaks, industrial by-products Particulate Matter Combustion of fossil fuels and N/A (PM), Dust other organic material, aerosols, industrial processes, volcanoes, includes metals </p><p>N/A UV radiation, lightning, industrial O3 processes with electrical arcing such as laser printers and copiers</p><p>O2 + energy  O</p><p>O + O2 + energy  O3</p><p>Industrial Smog o Fossil Fuels  Combustion  CO2 + CO (1 pollutants, greenhouse gases, CO is toxic)</p><p>Sulfur in Coal + O2  SO2 + O2  SO3 + H2O  H2SO4 + NH3  (NH4)2SO4 (1o pollutant) (2o pollutant) (acid rain) (solid salt)</p><p>Photochemical Smog</p><p>N2 -makes up 78% of the atmosphere</p><p>+ O2 + high heat NO -primary pollutant</p><p>+ O2</p><p>NO2 -primary/secondary pollutant</p><p>-UV radiation + H2O + Hydrocarbons</p><p>NO + O NO + HNO3 -acid rain PAN & other nitrate cmpds.</p><p>+ O2 + UV radiation</p><p>O3 -secondary pollutant + VOC’s Other Pollutants</p>