title: Determination of chlorophenoxy herbicides in air by gas chromatography/mass spectrometry: selective ion monitoring.
mesh_terms: D015084:2,4-Dichlorophenoxyacetic Acid / Q000031:analogs & derivatives / Q000032:analysis*; D000393:Air Pollutants / Q000032:analysis*; D002849:Chromatography, Gas / Q000379:methods; D013058:Mass Spectrometry / Q000379:methods
chemical_list: D000393:Air Pollutants; D015084:2,4-Dichlorophenoxyacetic Acid