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%
KAIS1 20% Best 1.31 0.36 1.06 0.57 0.12 0.49 3.92   33.4% 9.1% 27.1% 14.7% 3.2%
KAIS1 Middle 60% 4.09 2.92 4.17 1.47 0.59 1.87 15.11   27.1% 19.3% 27.6% 9.8% 3.9%
KAIS1 20% Worst 7.91 9.04 14.81 4.34 1.30 4.39 41.80   18.9% 21.6% 35.4% 10.4% 3.1%
KAIS1 Average 4.35 3.70 5.79 1.90 0.65 2.13 18.53   23.5% 20.0% 31.3% 10.2% 3.5%