Variables: dissolved_organic_carbon total_organic_carbon concentration electric_conductivity pH Substances: 2 -2 -Difluorodeoxyuridin (FIRDBEQIJQERSE-QPPQHZFASA-N) 3-5-dibromo-4-hydroxybenzoic acid (PHWAJJWKNLWZGJ-UHFFFAOYSA-N) Systems: groundwater Keywords: land use