Workplace field testing of a disposable negative pressure half-mask dust respirator (3M 8710)

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      <subfield code="a">This paper describes an investigation of the workplace performance of the disposable 3M 8710 dust/mist half-mask respirator in the presence of an aerosol of manganese dioxide dust. Workplace protection factors (WPFs) were calculated from the simultaneously measured concentrations outside the respirator, Co, and inside the respirator, Ci</subfield>
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      <subfield code="a">American Industrial Hygiene Association journal</subfield>
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      <subfield code="t">American Industrial Hygiene Association journal</subfield>
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      <subfield code="g">Vol. 54, nº 10, October 1993 ; p. 576-583</subfield>
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