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%
TUXE1 20% Best 1.35 0.31 0.45 0.11 0.04 0.45 2.71   49.6% 11.5% 16.6% 4.1% 1.6% 16.7%
TUXE1 Middle 60% 4.68 0.84 1.74 0.63 0.11 1.08 9.07   51.5% 9.3% 19.2% 7.0% 1.2% 11.9%
TUXE1 20% Worst 9.93 2.97 8.59 1.33 0.17 2.58 25.57   38.8% 11.6% 33.6% 5.2% 0.7% 10.1%
TUXE1 Average 5.10 1.17 2.88 0.67 0.11 1.26 11.19   45.6% 10.5% 25.7% 6.0% 1.0% 11.3%