blog posts Microplastic contamination found in common source of groundwater, researchers report Jan 25, 2019 7:45 am by Lois Yoksoulian Share on Facebook Tweet Email Pictured, from left: Walton R. Kelly (ISWS), John Scott (ISTC), Nancy Holm (ISTC), Wei Zheng (ISTC) and lead author Samuel V. Panno (ISGS). Photo by Fred Zwicky Share on Facebook Tweet Email