Description |
Asbestos and Other Fibers by PCM
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This analysis is used primarily for estimating asbestos concentrations in air.
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It is used to show compliance with limits set by NIOSH, OSHA, and other regulatory agencies for area samples as well as for personnel monitoring.
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Fibers less than approximately 0.25 microns in diameter will not be detected with this method.
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The method can also be used to estimate the airborne concentration of other, non asbestos materials as well.
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The NIOSH 7400 method is often used in conjunction with electron microscopy methods such as the NIOSH 7402 method to aid in fiber identification.
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Sample retention time is 60 days
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