title: Direct analysis of water samples for organic pollutants with gas chromatography-mass spectrometry.
mesh_terms: D002849:Chromatography, Gas; D005740:Gases / Q000032:analysis; D013058:Mass Spectrometry; D008722:Methods; D014873:Water Pollutants / Q000032:analysis*; D014877:Water Pollution, Chemical / Q000032:analysis*
chemical_list: D005740:Gases; D014873:Water Pollutants