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Internal wall losses of pharmaceutical dusts during closed-face, 37-mm polystyrene cassette sampling

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24510‎$a‎Internal wall losses of pharmaceutical dusts during closed-face, 37-mm polystyrene cassette sampling‎$c‎Mark A. Puskar... [et al.]
520  ‎$a‎A current practice for the determination of personal exposures to dusts involves the aspiration of known quantities of air through membrane filters held in 37-mm plastic cassettes. Samples are collected with the cassettes in the closed face configuration. A major negative bias error has been identified with this sampling procedure for low-level pharmaceutical dusts
65011‎$0‎MAPA20080585679‎$a‎Higiene industrial
65011‎$0‎MAPA20080605278‎$a‎Contaminantes químicos
65011‎$0‎MAPA20080539566‎$a‎Polvo
65011‎$0‎MAPA20080616441‎$a‎Contaminación atmosférica
65011‎$0‎MAPA20080621186‎$a‎Control de la contaminación
65011‎$0‎MAPA20080543969‎$a‎Filtros
65011‎$0‎MAPA20080559670‎$a‎Muestreador
65011‎$0‎MAPA20080551797‎$a‎Muestreos
7001 ‎$0‎MAPA20080145033‎$a‎Puskar, Mark A.
7400 ‎$a‎American Industrial Hygiene Association journal
7730 ‎$t‎American Industrial Hygiene Association journal‎$d‎Akron, Ohio‎$g‎Vol. 52, nº 7, July 1991 ; p. 280-286