Variables: dissolved_organic_carbon pH Keywords: monitoring Substances: Acibenzolar-S-methyl (UELITFHSCLAHKR-UHFFFAOYSA-N) 4-Hydroxy Diclofenac (KGVXVPRLBMWZLG-UHFFFAOYSA-N) 1-Methyl-Benzotriazole (HXQHRUJXQJEGER-UHFFFAOYSA-N)