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%
LOST1 20% Best 5.11 2.01 2.23 0.79 0.38 2.45 12.97   39.4% 15.5% 17.2% 6.1% 3.0% 18.9%
LOST1 Middle 60% 11.36 5.64 5.47 1.52 0.68 4.08 28.75   39.5% 19.6% 19.0% 5.3% 2.4% 14.2%
LOST1 20% Worst 22.32 22.89 9.26 3.00 0.72 4.21 62.40   35.8% 36.7% 14.8% 4.8% 1.1% 6.7%
LOST1 Average 12.46 8.53 5.63 1.68 0.63 3.81 32.74   38.0% 26.1% 17.2% 5.1% 1.9% 11.6%