Development of a dichotomous-flow quantitative fit test for half-mask and full-facepiece respirators

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      <subfield code="a">Development of a dichotomous-flow quantitative fit test for half-mask and full-facepiece respirators</subfield>
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      <subfield code="a">This article starts with a discussion of the relationship between pressure drop and cartridge flow rate for some of the cartdriges commonly used in the workplace. This is followed by a description of the "dichotomous-flow respirator fit test" that has been developed for quantitatively fit testing field-use respirators fitted with cartridges to be used in the workplace. Finally, the performance of the new test is compared to that of the aerosol fit test</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. 55, nº 3, March 1994 ; p. 223-229</subfield>
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