Abstract Title

Analysis of Sulfur Dioxide Emissions in the Lewis-Clark Valley

Additional Funding Sources

This project is supported by a 2019-2020 STEM Undergraduate Research Grant from the Higher Education Research Council. The project described was supported by an Institutional Development Award (IDeA) from the National Institute of General Medical Sciences of the National Institutes of Health under Grant No. P20GM103408.

Abstract

Sulfurous odor in the Lewiston-Clarkston (LC) area is a nuisance and possible adverse health factor from a kraft pulp paper mill located along the Clearwater River in the city of Lewiston. One chemical that is emitted from paper mills is sulfur dioxide (SO2), one of many that are a byproduct of the mill's production. The goal of this study was to monitor the emissions of SO2 in the LC Valley and the spatial, temporal and diurnal patterns. SO2 can cause increased irritation from respiratory diseases as well as create damaging acid rain that kills plant life and damages structures. In this study there is a small correlation between increase in elevation and increase in SO2 , as well as a slow increase of SO2 over a year's time. A diurnal cycle of emissions during the morning decreasing after noon is observed. All levels were below attainment.

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Analysis of Sulfur Dioxide Emissions in the Lewis-Clark Valley

Sulfurous odor in the Lewiston-Clarkston (LC) area is a nuisance and possible adverse health factor from a kraft pulp paper mill located along the Clearwater River in the city of Lewiston. One chemical that is emitted from paper mills is sulfur dioxide (SO2), one of many that are a byproduct of the mill's production. The goal of this study was to monitor the emissions of SO2 in the LC Valley and the spatial, temporal and diurnal patterns. SO2 can cause increased irritation from respiratory diseases as well as create damaging acid rain that kills plant life and damages structures. In this study there is a small correlation between increase in elevation and increase in SO2 , as well as a slow increase of SO2 over a year's time. A diurnal cycle of emissions during the morning decreasing after noon is observed. All levels were below attainment.