Organizations: Contaminant fate processes Variables: electric_conductivity Keywords: land use high resolution mass spectrometry MetFrag Substances: Acesulfame (YGCFIWIQZPHFLU-UHFFFAOYSA-N) 1-3-Dimethyl-2-imidazolidinon (CYSGHNMQYZDMIA-UHFFFAOYSA-N) 1-(3-Trifluoromethylphenyl)-piperazine (KKIMDKMETPPURN-UHFFFAOYSA-N)