Microplastic Contamination in Karst Groundwater Systems

Ground Water - Tập 57 Số 2 - Trang 189-196 - 2019
Samuel V. Panno, Walton R. Kelly1, John W. Scott2, Wei Zheng2, Rachel E. McNeish3, Nancy Holm2, Timothy J. Hoellein4, Elizabeth L. Baranski5
1Illinois State Water Survey, Champaign, IL 61820
2Illinois Sustainable Technology Center, Champaign, IL 61820
3California State University, Bakersfield, CA 93311
4Loyola University, Chicago, IL 60660
5League of Women Voters of Jo Daviess County, Galena, IL 61036

Tóm tắt

Abstract

Groundwater in karst aquifers constitutes about 25% of drinking water sources globally. Karst aquifers are open systems, susceptible to contamination by surface‐borne pollutants. In this study, springs and wells from two karst aquifers in Illinois, USA, were found to contain microplastics and other anthropogenic contaminants. All microplastics were fibers, with a maximum concentration of 15.2 particles/L. The presence of microplastic was consistent with other parameters, including phosphate, chloride and triclosan, suggesting septic effluent as a source. More studies are needed on microplastic sources, abundance, and impacts on karst ecosystems.

Từ khóa


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Ground Water

Tập 57 Số 2

189-196

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