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Leslie Bychinski

Teaching Assistant
Geosciences - General
 Lapham Hall 332

Advisor: Dr. Tim Grundl

The professional lawn care business has developed into a multibillion dollar industry over the last few decades with a huge rise in (sub)urban applications. Some homeowners purchase and apply the pesticides themselves while others hire professional lawn care companies. There have been many studies tracing agricultural pesticides application and contamination of public drinking water, and less on (sub)urban, residential pesticide application. This research is taking place in Milwaukee, Ozaukee, Washington, and Waukesha county, which consist of large portions of non-agricultural suburban land use, focusing on seven compounds that are active ingredients in some of the most commonly applied residential pesticides: 2,4−Dichlorophenoxyacetic Acid (2,4-D), Carbaryl, Dicamba, imidacloprid, Malathion, 2-methyl-4-chlorophenoxyacetic acid (MCPA), and methylchlorophenoxypropionic acid (MCPP). Targeted locations will consist of active, shallow, transient non-community wells that reside in the sand and gravel or shallow dolomite aquifer with minimal clay coverage, hypothesizing that these are subjected to pesticide leaching and groundwater contamination.