A Feasibility study of quantitative respirator fit testing by controlled negative pressure

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<title>Feasibility study of quantitative respirator fit testing by controlled negative pressure</title>
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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="MAPA20080316594">
<namePart>Crutchfield, Clifton D.</namePart>
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<name type="personal" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080130145">
<namePart>Eroh, Martin P.</namePart>
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<name type="personal" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080161743">
<namePart>Ert, Mark D. van</namePart>
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<dateIssued encoding="marc">1991</dateIssued>
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<abstract displayLabel="Summary">The feasibility of using a direct measure of respirator leakage flow rate as a quantitative index of respirator face seal fit has been explored through the use of a new controlled negative pressure method. The method is based on exhausting air from a temporarily sealed respirator facepiece at a rate sufficient to generate and then sustain a constant negative pressure inside the facepiece while the wearer holds his breath</abstract>
<note type="statement of responsibility">Clifton D. Crutchfield, Martin P. Eroh, Mark D. Van Ert</note>
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<topic>Higiene industrial</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080605278">
<topic>Contaminantes químicos</topic>
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<topic>Equipos respiratorios</topic>
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<topic>Mascarillas autofiltrantes</topic>
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<topic>Máscaras</topic>
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<topic>Métodos de control</topic>
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<topic>Tests</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. 52, nº 4, April 1991 ; p. 172-176</text>
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