October 28, 2022 https://news.azpm.org/s/95501-episode-342-the-hunt-for-hidden-water-contaminant… AZPM A UArizona lab led by Dr. Ian Pepper which launched the first tests for COVID-19 in wastewater is now turning its attention to chemicals called PFAS seeping into Pima County groundwater. Related Improving Health Related Researchers Ian L Pepper