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%
LAVO1 20% Best 1.40 0.40 1.31 0.50 0.11 0.40 4.12   33.9% 9.8% 31.7% 12.1% 2.6% 9.8%
LAVO1 Middle 60% 4.17 1.22 4.57 1.47 0.46 1.32 13.21   31.6% 9.2% 34.6% 11.1% 3.5% 10.0%
LAVO1 20% Worst 7.62 3.42 17.83 5.17 1.05 2.69 37.78   20.2% 9.1% 47.2% 13.7% 2.8% 7.1%
LAVO1 Average 4.34 1.51 6.65 2.04 0.51 1.42 16.47   26.3% 9.2% 40.4% 12.4% 3.1% 8.6%