Industries Likely Contributing to Regional Haze in South Central States 

Electricity
Generation via
Combustion

56%
Carbon Black Plant
12%
Calcined Pet Coke Plant
12%
Other
6%
Gas Plant
3.3%
Pulp and Paper Plant
3.1%
Chemical Plant
2.7%
Compressor Station
2.5%
Portland Cement Manufacturing
2.5%
Electricity Generation via Combustion
Carbon Black Plant
Calcined Pet Coke Plant
Other
Gas Plant
Pulp and Paper Plant
Chemical Plant
Compressor Station
Portland Cement Manufacturing