Variables: dissolved_organic_carbon electric_conductivity concentration Substances: 2 -2 -Difluorodeoxyuridin (FIRDBEQIJQERSE-QPPQHZFASA-N) 5-Methylpyridine-3-carboxylic-acid (DJDHHXDFKSLEQY-UHFFFAOYSA-N) Systems: groundwater Keywords: micropollutants monitoring