Plume 14 : An area of chemicals moving away from its source in a long band or column. A plume, for example, can be a column of smoke from a chimney or chemicals moving with groundwater
Center for Environmental Health Outreach and Education Group, Glossary of Environmental Health Terms, New York State Department of Health, NY, USA 2012. http: //www.health.ny.gov/environmental/glossary/, (Envir Hlth and Sfty - Amer) {694}