Variables: total_organic_carbon electric_conductivity Systems: groundwater Substances: Acesulfame (YGCFIWIQZPHFLU-UHFFFAOYSA-N) 1-[(4-Chlorophenyl)phenylmethyl]piperazine (UZKBSZSTDQSMDR UHFFFAOYSA-N) 1-Hydroxy-Benzotriazole (ASOKPJOREAFHNY-UHFFFAOYSA-N)