title: Monitoring groundwater and well water for crop protection chemicals.
authors.affiliation: Monsanto Company, St. Louis, MO 63167.
authors.forename: J A
authors.initials: JA
authors.lastname: Graham
mesh_terms: D010575:Pesticides / Q000032:analysis*; D014481:United States; D014874:Water Pollutants, Chemical / Q000032:analysis*; D014881:Water Supply / Q000032:analysis*
chemical_list: D010575:Pesticides; D014874:Water Pollutants, Chemical