Table 3.

Rank correlations coefficients (Spearman’s rho) between personal exposure and stationary area measurements^a

Aerosol fraction Personal measurements	Stationary area measurements
	Inhalable dust Co (mg m3)	Total dust Co (mg m3)	PM2.5 Co (mg m3)	PM10 Co (mg m3)	Particle surface area Median (μm2·m3)	Particle number Median (p·cm3)
Inhalable dust Co (mg m−3)	0.832b	0.868b	0.630b	0.771b	−0.461c	−0.057
Total dust Co (mg m−3)	0.781b	0.867b	0.710b	0.788b	−0.460c	−0.047

^a n = 28, except for particle surface area (n = 22) and particle number (n = 27).

^bSignificant correlation at the 0.01 level (two-tailed).

^cSignificant correlation at the 0.05 level (two-tailed).