On August 29, the Assembly Speaker's Task Force on Water Quality held a public hearing in Marinette and heard testimony from the Wisconsin Department of Health Services on the health impacts of PFAS. Per- and polyfluoroalkyl substances are a group of human-made chemicals that have thousands of compound structures and are used in a variety consumer products. Clara Jeong, toxicologist from DHS, outlined the recommended exposure to PFAS which "corresponds to one eye drop in an Olympic-sized swimming pool." Jeong explained that the low level recommendation is due to seeing health effects in other studies based on that low level exposure. Current data shows that in the Marinette area, "29 private wells out of 168 wells exceeded DHS's recommendation of 20 parts per trillion...that is a concern for us."