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%
HALE1 20% Best 2.53 0.69 0.65 0.21 0.10 1.18 5.36   47.1% 12.9% 12.1% 4.0% 1.9% 22.0%
HALE1 Middle 60% 6.71 2.04 1.90 0.82 0.26 2.16 13.88   48.3% 14.7% 13.7% 5.9% 1.9% 15.5%
HALE1 20% Worst 17.91 3.17 2.43 1.18 0.39 2.87 27.96   64.1% 11.4% 8.7% 4.2% 1.4% 10.3%
HALE1 Average 8.22 2.02 1.77 0.78 0.26 2.12 15.15   54.3% 13.3% 11.7% 5.1% 1.7% 14.0%