This fact sheet describes and gives preliminary results of an EPA study on the health effects of airborne manganese exposure in East Liverpool, Marietta and Mt. Vernon, Ohio. The main purpose of the study was to evaluate whether nervous system health effects (neurotoxicity) were detectable in community residents with long-term, airborne manganese exposure. For more information about the study, see the Air Manganese Study page.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.