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NIOSH Method 7402-asbestos fibers (revision #1) : low-temperature ashing of filter samples

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1001 ‎$0‎MAPA20080090746‎$a‎Baron, Paul A.
24510‎$a‎NIOSH Method 7402-asbestos fibers (revision #1)‎$b‎: low-temperature ashing of filter samples‎$c‎Paul A. Baron and S. Frank Platek
520  ‎$a‎As a result of experiments involving scanning electron micrograph (SEM) analysis of low-temperature ashed filters Method 7402 was revised to clarify these issues. Because Method 7402 is used to provide the fraction of optically visible asbestos fibers in a sample, the previously recommended low-temperature ashing step may cause an overestimate of the asbestos fraction
65011‎$0‎MAPA20080585679‎$a‎Higiene industrial
65011‎$0‎MAPA20080605278‎$a‎Contaminantes químicos
65011‎$0‎MAPA20080542832‎$a‎Amianto
65011‎$0‎MAPA20080541026‎$a‎Fibras
65011‎$0‎MAPA20080551797‎$a‎Muestreos
65011‎$0‎MAPA20080543969‎$a‎Filtros
65011‎$0‎MAPA20080591960‎$a‎Métodos de análisis
65011‎$0‎MAPA20080613655‎$a‎Control de contaminantes
65011‎$0‎MAPA20080581329‎$a‎Método N.I.O.S.H.
7001 ‎$0‎MAPA20080174811‎$a‎Platek, S. Frank
7400 ‎$a‎American Industrial Hygiene Association journal
7730 ‎$t‎American Industrial Hygiene Association journal‎$d‎Akron, Ohio‎$g‎Vol. 51, nº 11, November 1990 ; [2] p.