title: Peer reviewed: testing water quality for pesticide pollution.
abstract: U.S. GeologicalSurvey investigations reveal widespread contamination of the nation's water resources.
authors.forename: R J
authors.initials: RJ
authors.lastname: Gilliom
authors.forename: J E
authors.initials: JE
authors.lastname: Barbash
authors.forename: D W
authors.initials: DW
authors.lastname: Kolpin
authors.forename: S J
authors.initials: SJ
authors.lastname: Larson