Average light extinction (1/Mm) and percentage contributions to the aerosol light extinction (Bep) of the major aerosol chemical components in 20% best, middle 60%, and 20% worst days based on data available during the year of 1997-2002

Location Data Sulfate Nitrate OMC LAC Soil CM Aerosol Ext   Sulfate% Nitrate% OMC% LAC% Soil% CM%
CABI1 20% Best 2.41 0.89 1.31 0.45 0.13 0.37 5.56   43.3% 15.9% 23.6% 8.0% 2.4% 6.7%
CABI1 Middle 60% 5.47 1.68 5.37 1.41 0.50 1.37 15.79   34.6% 10.6% 34.0% 8.9% 3.2% 8.7%
CABI1 20% Worst 8.47 2.86 19.11 4.16 1.31 3.64 39.54   21.4% 7.2% 48.3% 10.5% 3.3% 9.2%
CABI1 Average 5.49 1.77 7.39 1.78 0.59 1.64 18.67   29.4% 9.5% 39.6% 9.6% 3.2% 8.8%