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%
REDW1 20% Best 2.58 0.78 1.46 0.50 0.06 1.48 6.87   37.6% 11.4% 21.3% 7.3% 0.8% 21.6%
REDW1 Middle 60% 9.58 2.97 3.37 0.82 0.16 2.63 19.53   49.1% 15.2% 17.2% 4.2% 0.8% 13.5%
REDW1 20% Worst 19.21 8.05 13.62 2.41 0.35 4.08 47.71   40.3% 16.9% 28.5% 5.0% 0.7% 8.5%
REDW1 Average 10.17 3.58 5.09 1.08 0.18 2.70 22.79   44.6% 15.7% 22.3% 4.8% 0.8% 11.8%