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%
CANY1 20% Best 2.67 0.61 1.44 0.63 0.35 1.44 7.14   37.4% 8.6% 20.1% 8.8% 4.9% 20.1%
CANY1 Middle 60% 4.89 1.25 2.75 1.14 0.68 2.46 13.17   37.1% 9.5% 20.9% 8.6% 5.2% 18.6%
CANY1 20% Worst 7.15 2.91 5.67 1.93 1.42 4.81 23.90   29.9% 12.2% 23.7% 8.1% 6.0% 20.1%
CANY1 Average 4.92 1.47 3.09 1.20 0.77 2.74 14.20   34.7% 10.3% 21.8% 8.5% 5.4% 19.3%