ParticulateMatter Sources
•
Coarse - PM10
–
Dust, sea salts, vehicles, combustionproducts
•
Fine –PM2.5
–
Vehicles emissions, oil&coal utility, wood fuel, biomass
burning
•
PrimaryEmissions
–
Transportation, fuel combustion, roaddust, construction
•
SecondaryAerosol Formulation
–
Sulfates, nitrates, organic particulates fromVOCs
