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

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<title>NIOSH Method 7402-asbestos fibers (revision #1)</title>
<subTitle>: low-temperature ashing of filter samples</subTitle>
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<title>American Industrial Hygiene Association journal</title>
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<name type="personal" usage="primary" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080090746">
<namePart>Baron, Paul A.</namePart>
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<name type="personal" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080174811">
<namePart>Platek, S. Frank</namePart>
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<dateIssued encoding="marc">1990</dateIssued>
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<abstract displayLabel="Summary">As 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</abstract>
<note type="statement of responsibility">Paul A. Baron and S. Frank Platek</note>
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<topic>Higiene industrial</topic>
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<topic>Contaminantes químicos</topic>
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<topic>Amianto</topic>
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<topic>Fibras</topic>
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<topic>Muestreos</topic>
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<topic>Filtros</topic>
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<topic>Métodos de análisis</topic>
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<topic>Método N.I.O.S.H</topic>
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<title>American Industrial Hygiene Association journal</title>
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<publisher>Akron, Ohio</publisher>
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<text>Vol. 51, nº 11, November 1990 ; [2] p.</text>
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