title: Potentially hazardous substances in surface waters. I. Pesticides in the river Rhine.
mesh_terms: D000452:Aldrin / Q000032:analysis; D002800:Cholinesterase Inhibitors / Q000032:analysis*; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D003124:Colorimetry / Q000295:instrumentation; D003634:DDT / Q000032:analysis; D003632:Dichlorodiphenyldichloroethane / Q000032:analysis; D004026:Dieldrin / Q000032:analysis; D004726:Endosulfan / Q000032:analysis; D004732:Endrin / Q000032:analysis; D005618:Fresh Water / Q000032:analysis; D006533:Heptachlor / Q000032:analysis; D001556:Hexachlorocyclohexane / Q000032:analysis; D007306:Insecticides / Q000032:analysis*; D009426:Netherlands; D013223:Statistics as Topic; D014877:Water Pollution, Chemical / Q000032:analysis*
chemical_list: D002800:Cholinesterase Inhibitors; D007306:Insecticides; D001556:Hexachlorocyclohexane; D006533:Heptachlor; D003634:DDT; D004026:Dieldrin; D004732:Endrin; D004726:Endosulfan; D000452:Aldrin; D003632:Dichlorodiphenyldichloroethane