Average light extinction coefficients (1/Mm) and percentage contributions to the aerosol light extinction coefficients (without Rayleigh scattering) of the major aerosol chemical components in 20% best, middle 60%, and 20% worst days based on data available during 2000-2004

Location Data Sulfate Nitrate OMC LAC Soil Sea Salt CM Aerosol Ext   Sulfate% Nitrate% OMC% LAC% Soil% Sea Salt% CM%
SENE1 20% Best 4.80 0.80 1.61 0.49 0.10 0.11 0.68 8.60   55.8% 9.4% 18.7% 5.7% 1.2% 1.3% 7.9%
SENE1 Middle 60% 14.06 4.58 5.15 1.57 0.23 0.14 1.09 26.82   52.4% 17.1% 19.2% 5.9% 0.8% 0.5% 4.1%
SENE1 20% Worst 60.71 26.93 13.26 4.29 0.51 0.05 1.87 107.61   56.4% 25.0% 12.3% 4.0% 0.5% 0.0% 1.7%
SENE1 Average 21.70 8.35 6.10 1.91 0.26 0.12 1.17 39.60   54.8% 21.1% 15.4% 4.8% 0.7% 0.3% 3.0%