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. Author manuscript; available in PMC: 2016 Mar 7.
Published in final edited form as: Ann Occup Hyg. 2010 May 10;54(6):710–725. doi: 10.1093/annhyg/meq040

Table 4.

One-tailed t-test P values for aspiration fractions

Particle size (mm) Nose size Lip size Orifice shape Breathing velocity
22 0.2221 0.420 0.364 0.008
68 0.0397 0.448 0.423 0.001
82 0.0369 0.026 0.496 <0.001
100 — — — 0.003
116 0.0250 0.032 0.794 <0.001
All 0.0007 0.015 0.276 <0.001