Profits of export monopolies
Profits of import monopolies
Aerosol
Cyclone Collector
Dust
Fly Ash
Fume
Haze
Particulate Loadings
Smoke
Turbidity
Aitken Nuclei
Chilling Effect
Natural Pollutant
Particulates
Secondary Radiation
Silt
Soil
Suspended Solids
Weathering
Excursionists (also called "same-day" visitors)
Foreign excursionists (also called "same-day visitors")
F.o.b. price
Soot Fall
Acid Deposition
Air Pollutants
Coagulation
Filtration
Flue Gas
Precipitation
