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Bacterial air pollution from an activated sludge tank

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Abstract

Concentrations of air-borne coliforms and ‘other’ bacteria (defined as total bacteria minus coliforms) were measured. downwind of a sewage treatment plant activated sludge tank. The Gaussian plume diffusion equation adequately predicts concentrations of the ‘other’ bacteria; the diffusion equation must be modified by an extinction coefficient, equivalent to a half-life of about 7.4 s, to predict coliform concentrations. Coliform concentrations downwind of this tank did not present a significant health hazard, but the method is applicable to treatment plants of higher capacity and possibly greater emissions.

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Raygor, S.C., Mackay, K.P. Bacterial air pollution from an activated sludge tank. Water, Air and Soil Pollution 5, 47–52 (1975). https://doi.org/10.1007/BF00431578

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  • DOI: https://doi.org/10.1007/BF00431578

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