Table 3.

p-Values of the effects of saw blade frequency and saw blade contact load on the number of aerosol particles produced. Significant values are marked in italics.

	Number of particles produced of particle sizes						Total number of particles produced	Total surface area of particles produced
	0.3 μm	0.5 μm	1.0 μm	2.5 μm	5.0 μm	10.0 μm
Effect of saw blade frequency	p < 0.001	p < 0.001	p < 0.001	p < 0.001	p = 0.0096	p = 0.21	p < 0.001	p = 0.027
Effect of saw blade contact load	p < 0.001	p < 0.001	p < 0.001	p < 0.001	p < 0.001	p < 0.001	p < 0.001	p < 0.001
Interaction effect	p = 0.37	p = 0.40	p = 0.36	p = 0.37	p = 0.56	p = 0.70	p = 0.38	p = 0.63