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%
AGTI1 20% Best 4.82 4.61 3.34 2.12 0.43 2.58 17.90   26.9% 25.7% 18.6% 11.9% 2.4% 14.4%
AGTI1 Middle 60% 17.59 13.36 8.29 3.90 0.91 6.09 50.14   35.1% 26.7% 16.5% 7.8% 1.8% 12.1%
AGTI1 20% Worst 32.99 29.37 13.26 5.45 1.48 9.62 92.17   35.8% 31.9% 14.4% 5.9% 1.6% 10.4%
AGTI1 Average 18.35 15.01 8.35 3.87 0.93 6.13 52.64   34.8% 28.5% 15.9% 7.3% 1.8% 11.7%