Date of Award

Summer 2020

Document Type

Open Access Dissertation

Department

Environmental Health Sciences

First Advisor

Robert Sean Norman

Second Advisor

Dwayne E. Porter

Abstract

Many countries encounter a growing shortage of water, and the reuse of treated or untreated wastewater is their main source. Wastewater Treatment Plants (WWTPs) are mainly designed to remove organic nutrients, large solids, and chemical substances. There are some possible issues regarding WWTPs that are close to residential areas around the world. One of the environmental effects from WWTP that might cause air pollution would be the emission of toxic chemical gases and microorganisms via aerosols that transport bacteria as well as viruses and fungal spores which can be harmful to human health. Therefore, particulate matters (PM) and metrological parameters samples were collected from four WWTPs to examine the spatial and temporal differences in their emissions and dispersions. Geographic Information System (GIS) was used to visualize the predicted PM concentrations from 50 meters to 500 meters around WWTPs sites. We found that there are some seasonal, treatment methods and daily statistical significance variations in the total particulate matters and particulate number by diameter between the four sites.

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