title: Educational webtool illustrating groundwater age effects on contaminant trends in wells.
authors.affiliation: U.S. Geological Survey, California Water Science Center, Sacramento, CA, 95819.
authors.forename: J K
authors.initials: JK
authors.lastname: Böhlke
authors.forename: Bryant C
authors.initials: BC
authors.lastname: Jurgens
authors.forename: David J
authors.initials: DJ
authors.lastname: Uselmann
authors.forename: Sandra M
authors.initials: SM
authors.lastname: Eberts
mesh_terms: D004784:Environmental Monitoring / Q000379:methods*; D060587:Groundwater / Q000032:analysis*; D062070:Hydrology / Q000193:education*; D020407:Internet; D014874:Water Pollutants, Chemical / Q000032:analysis*; D060986:Water Wells / Q000032:analysis
chemical_list: D014874:Water Pollutants, Chemical