Variables: dissolved_organic_carbon total_organic_carbon Keywords: pesticides metabolites Substances: Acesulfame (YGCFIWIQZPHFLU-UHFFFAOYSA-N) 1-Hydroxy-Benzotriazole (ASOKPJOREAFHNY-UHFFFAOYSA-N) 1-(3-Trifluoromethylphenyl)-piperazine (KKIMDKMETPPURN-UHFFFAOYSA-N)