“…While the role of emissions from steam electric plants in the occurrence of these levels may be debated, there is a high probability of interactions of effluents from steam electric plants with those from adjoining plants and other industrial and urban sources. Studies of transport and transformation of pollutants derived from the St. Louis area indicate a definite urban plume could be detected 120 km downwind of the city with maximum concentrations of SO of approximately 0.04 ppm above background (Breeding et al 1976).…”
Section: Trends In Sulfate Concentrationsmentioning
“…While the role of emissions from steam electric plants in the occurrence of these levels may be debated, there is a high probability of interactions of effluents from steam electric plants with those from adjoining plants and other industrial and urban sources. Studies of transport and transformation of pollutants derived from the St. Louis area indicate a definite urban plume could be detected 120 km downwind of the city with maximum concentrations of SO of approximately 0.04 ppm above background (Breeding et al 1976).…”
Section: Trends In Sulfate Concentrationsmentioning
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