Variables: dissolved_organic_carbon electric_conductivity concentration Substances: 1-Hydroxy-Benzotriazole (ASOKPJOREAFHNY-UHFFFAOYSA-N) 4-Aminopyrin (4-Aminoantipyrin 4-AA) (RLFWWDJHLFCNIJ-UHFFFAOYSA-N) Systems: groundwater Keywords: MetFrag pesticides metabolites land use