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Section: ArticlesTitle: Occupational exposure to 4,4'-bipyridyl vapor and aerosol during paraquat manufacturing / Hsien-Wen Kuo, Chih-Shan Li, Jung-Der WangAuthor: Kuo, Hsien-WenNotes: Sumario: In this field study, the mass concentrations of vapour and aerosol phases of 4,4'-bipyridyl at different locations were determined in the paraquat manufacturing environment. Meanwhile, the enclosure efficiency of a hood attached to a suction tube for both aerosol and vapor phases of 4,4'-bipyridyl was evaluatedRelated records: En: American Industrial Hygiene Association journal. - Fairfax, Virginia. - Vol. 54, nº 8, August 1993 ; p. 440-445Materia / lugar / evento: Higiene industrialContaminantes químicosVaporesAerosolesSustancias tóxicas y peligrosasParaquatRiesgo laboralMuestreosOtros autores: Li, Chih-Shan Wang, Jung-Der Secondary titles: Título: American Industrial Hygiene Association journal Other categories: 872Rights: In Copyright (InC)