Industries Likely Contributing to Regional Haze in Mountains and Plains States

Electricity
Generation via
Combustion

77%
Mineral Processing Plant
6%
Mines/Quarries
5%
Portland Cement Manufacturing
3.9%
Coal Gasification Plant
2.6%
Other
2.2%
Gas Plant
2%
Plywood & Engineered Wood Products
0.7%
Petroleum Refinery
0.5%
Electricity Generation via Combustion
Mineral Processing Plant
Mines/Quarries
Portland Cement Manufacturing
Coal Gasification Plant
Other
Gas Plant
Plywood & Engineered Wood Products
Petroleum Refinery