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%
BADL1 20% Best 4.16 1.26 2.09 0.87 0.33 1.77 10.49   39.7% 12.0% 20.0% 8.3% 3.2% 16.9%
BADL1 Middle 60% 10.30 2.72 4.41 1.40 0.58 3.13 22.53   45.7% 12.1% 19.6% 6.2% 2.6% 13.9%
BADL1 20% Worst 21.87 7.47 8.20 2.41 0.97 5.94 46.86   46.7% 15.9% 17.5% 5.1% 2.1% 12.7%
BADL1 Average 11.43 3.39 4.72 1.50 0.61 3.43 25.09   45.6% 13.5% 18.8% 6.0% 2.4% 13.7%