title: Automatic gas chromatographic measurement of C 1 --C 5  hydrocarbons in air.
mesh_terms: D000397:Air Pollution / Q000032:analysis*; D002849:Chromatography, Gas / Q000295:instrumentation; D006838:Hydrocarbons / Q000032:analysis*; D008722:Methods
chemical_list: D006838:Hydrocarbons