1. Particulates and Indoor Air Pollution

5. CO Tough problem in major cities 1000 lb/person/yr Catalytic converters Of 3.8 billion tons/yr, 3 bill. Tons/yr from decay in the soil Where does it go?

6. Particulates or Aerosols Attract water Concentrate chemicals Act as small chemical factories

8. Particulates or Aerosols Attract water Concentrate chemicals Act as small chemical factories Large source of secondary pollutants 1 nm – 10,000 nm in size (1 nm = 1x10 -9 m) Cut visibility and cool the earth

16. H33 – C14 25 - 28, 33, 34, 38, 39, 56, 61, 62, 69, 70