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%
GAMO1 20% Best 1.38 0.62 0.75 0.26 0.09 0.36 3.46   39.9% 17.9% 21.8% 7.5% 2.6% 10.3%
GAMO1 Middle 60% 3.81 1.44 2.74 0.75 0.32 0.76 9.82   38.8% 14.6% 27.9% 7.6% 3.3% 7.8%
GAMO1 20% Worst 6.37 2.12 14.07 3.14 0.86 1.91 28.47   22.4% 7.5% 49.4% 11.0% 3.0% 6.7%
GAMO1 Average 3.85 1.42 4.65 1.14 0.39 0.92 12.36   31.2% 11.5% 37.6% 9.2% 3.1% 7.4%