Variables: electric_conductivity concentration Keywords: pesticides metabolites Systems: groundwater Substances: 1-Methyl-Benzotriazole (HXQHRUJXQJEGER-UHFFFAOYSA-N) 2 -2 -Difluorodeoxyuridin (FIRDBEQIJQERSE-QPPQHZFASA-N) Acetochlor (VTNQPKFIQCLBDU-UHFFFAOYSA-N)