title: Analysis of trace contaminants contained in samples from a closed environment at 258 MM. Hg. SAM-TR-67-6.
mesh_terms: D000531:Altitude; D002849:Chromatography, Gas; D018504:Ecological Systems, Closed; D006801:Humans; D006838:Hydrocarbons / Q000032:analysis*; D006846:Hydrocarbons, Halogenated / Q000032:analysis*; D013057:Spectrum Analysis
chemical_list: D006838:Hydrocarbons; D006846:Hydrocarbons, Halogenated