National Multipollutant Emissions Comparison: Percent Contribution by Source Sector in 2011
pollutant_name Agriculture Dust Fuel_Combustion Industrial_Processes Miscellaneous Mobile Solvent Biogenics
  24.4 55.3 8 5.4 2.4 4.5 0 .
Ammonia 91.3 0 2.6 1.8 1 3.3 0 .
Carbon Monoxide 0 0 7.8 3.7 2 74.4 0 12
Lead . 0 10.1 27.7 1.6 60.3 0.4 .
Nitrogen Oxides 0 0 24.5 8.7 0.6 59.4 0 6.8
Sulfur Dioxide 0 0 86.6 10.6 0.3 2.5 0 .
Volatile Organic Compounds 0 0 1.1 6.5 2.2 9 5.2 76