Quantitative respirator fit testing : dynamic pressure versus aerosol measurement

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      <subfield code="a">Carpenter, David R.</subfield>
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      <subfield code="a">Quantitative respirator fit testing</subfield>
      <subfield code="b">: dynamic pressure versus aerosol measurement</subfield>
      <subfield code="c">David R. Carpenter and Klaus Willeke</subfield>
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      <subfield code="a">A noninvasive, fast, inexpensive new fit testing method has been invented which relates the slope of the pressure decay inside a respirator during breath-holding to the fit of the respirator on the wearer's face. The dynamic pressure test has been compared with the conventional aerosol test at different leakage levels. The results of this comparison show that the sensitivity of the dynamic pressure test is similar to that of the aerosol test. The pressure test, however, is independent of leak site and probe location and can be performed on respirators before and after their use</subfield>
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      <subfield code="a">Willeke, Klaus</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. 49, nº 10, October 1988 ; p. 492-496</subfield>
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