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Major Air Basins

Map Showing the Major Air Basins in Southern California and Major Source Thresholds for Title V
Major Air Basins Map for Major Source Thresholds for Title V

Table 1-Clean Air Act Major Source Title V Thresholds


Major Source Potential to Emit Emission Thresholds (tons per year)

 Pollutant

South Coast Air Basin
Area 1

Riverside County Portion of
Salton Sea Air Basin Area 2

Riverside County Portion of
Mojave Desert Air Basin Area 3

 Volatile Organic Compounds or Hydrocarbons (VOC)

 10

25

100

 Nitrogen Oxides (NOx)

 10

 25

 100

 Sulfur Oxides (SOx)

 100

 100

 100

 Carbon Monoxide (CO)

 50

 100

 100

 Fine Particulate Matter (PM-10)

 70

 70

 100

 Single Hazardous Air Pollutant (HAP)

 10

 10

 10

 Combination of Hazardous Air Pollutants (HAPs)

 25

 25

 25

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