Point and Area Sources
Electric utilities and other fuel combustion
industrial processes such as:
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Manufacturing
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Painting and surface coating
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Metals and chemical processing
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Dry cleaners, gas stations and others
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On-Road Vehicles
- Automobiles and motorcycles
- Light duty trucks (minivans, pickup trucks, sport utility vehicles)
- Heavy duty trucks
- Buses
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Non-Road Engines
- Lawn and garden equipment
- Construction equipment
- Farm equipment
- Aircraft
- Boats and other marine vessels
- Railroads and other
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Miscellaneous Sources
- Wildfires and agricultural fires
- Health services
- Cooling towers
- Windblown dust
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