Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Estimation of Downwind Viable Airborne Microbes from a Wet Cooling Tower - Including Settling.
Author Peterson, Ernest W. ; Lighthart, Bruce ;
CORP Author Corvallis Environmental Research Lab., OR.
Year Published 1977
Report Number EPA/600/J-77-136;
Stock Number PB-287 602
Additional Subjects Air pollution ; Microorganisms ; Cooling towers ; Viability ; Deposition ; Electric power plants ; Plumes ; Mathematical models ; Waste water reuse ; Drops(Liquid) ; Concentration(Composition) ; Waste water cooling towers ; Wet plumes ; Gaussian plume models ; Reprints
Library Call Number Additional Info Location Last
NTIS  PB-287 602 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 15p
In recent years, reuse of municipal waste water as the coolant in drift-producing cooling towers at electrical generating plants has become increasingly common. A hueristic model is presented that can be used to estimate the concentrations of viable airborne microbes in the drift from a wet cooling tower given the concentrations of microbes in the cooling tower. The purpose of this presentation is to allow the nonmeteorologist to understand the factors affecting airborne concentration and to make crude estimates of ground-level concentrations of airborne microorganisms. Concentrations are calculated using a standard meterological method, the Gaussian dispersion model, in which terms have been included for droplet settling and microbial death rate.