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%
SEQU1 20% Best 3.43 3.07 4.35 1.60 0.22 1.79 14.45   23.7% 21.2% 30.1% 11.1% 1.5% 12.4%
SEQU1 Middle 60% 12.02 8.98 13.56 4.41 1.23 5.42 45.62   26.3% 19.7% 29.7% 9.7% 2.7% 11.9%
SEQU1 20% Worst 15.80 45.73 22.02 7.28 1.26 6.48 98.56   16.0% 46.4% 22.3% 7.4% 1.3% 6.6%
SEQU1 Average 11.10 15.28 13.47 4.44 1.04 4.92 50.26   22.1% 30.4% 26.8% 8.8% 2.1% 9.8%