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. Author manuscript; available in PMC: 2015 Aug 28.
Published in final edited form as: J Occup Environ Hyg. 2013;10(1):D6–10. doi: 10.1080/15459624.2012.739439

TABLE III.

Task-Based Characterization of Particulate Matter for Company A

Task Total Dust (mg/m3) MMAD, μm (GSD) Respirable Mass Fraction (%)
Cutting roof tiles in a roof valley 100 9 (2.4) 17
Cutting roof tiles to be used on a roof turret 107 9 (2.3) 15
Blowing tile dust off roof with leaf blower 6 13 (2.7) 11