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%
BAND1 20% Best 2.94 0.72 2.30 1.08 0.33 1.34 8.72   33.7% 8.3% 26.4% 12.4% 3.8% 15.3%
BAND1 Middle 60% 5.60 1.32 4.13 1.58 0.59 2.08 15.31   36.6% 8.6% 27.0% 10.3% 3.9% 13.6%
BAND1 20% Worst 9.65 2.43 10.08 3.22 1.04 3.45 29.87   32.3% 8.1% 33.8% 10.8% 3.5% 11.5%
BAND1 Average 5.90 1.43 4.97 1.81 0.63 2.21 16.96   34.8% 8.4% 29.3% 10.7% 3.7% 13.1%