Gelman Sciences Trial, August 1990 Year 1990 Month August Rights Held By Donated by the Ann Arbor News. © The Ann Arbor News. Copyright Copyright Protected Related Gelman Cleanup Case Drags a Paper Trail Weighing 2 Tons Photo Subjects Groundwater Contamination Gelman Sciences Inc. Gelman Lawsuits Pall Gelman Dioxane Groundwater Contamination Cleanup History Old News Ann Arbor News Michael Elicson