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%
DEVA1 20% Best 2.24 0.57 0.96 0.49 0.34 1.57 6.18   36.3% 9.3% 15.6% 7.9% 5.5% 25.4%
DEVA1 Middle 60% 5.70 1.62 3.24 1.20 1.24 4.79 17.79   32.0% 9.1% 18.2% 6.8% 6.9% 26.9%
DEVA1 20% Worst 10.12 4.01 9.78 2.40 3.24 10.23 39.79   25.4% 10.1% 24.6% 6.0% 8.2% 25.7%
DEVA1 Average 5.93 1.91 4.14 1.31 1.47 5.28 20.03   29.6% 9.5% 20.7% 6.5% 7.4% 26.3%