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INTRODUCTION TO OCCUPATIONAL HEALTH |
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Dusts |
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Particles less than 10 microns in
diameter are known as respirable.
Since these particles are likely to reach the alveoli
in great quantities, they are potentially more harmful than larger particles. By using a size-selective device (such as a cyclone) in front of a filter at a specific airflow sampling rate, it is possible to collect respirable-sized particles on the filter. This allows one to determine the dust concentration of respirable particles. |
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