title: Method for obtaining known low concentrations of mustard (H) or lewisite (L) gas in air.
mesh_terms: D000388:Air; D001152:Arsenicals; D009151:Mustard Gas; D009149:Mustard Plant; D013440:Sulfides
chemical_list: D001152:Arsenicals; D013440:Sulfides; C035965:lewisite; D009151:Mustard Gas
keywords: AIR/impurities; DICHLOROETHYL SULFIDE; DICHLOROVINYLARSINE