Table IV.

Values of FPM and LPM from First Series of Assessments with Each Cascade Impactor System Using DPI “A”

Impactor	Sample duration (s)		LPM (% total recovered mass)
		FPM0.94–4.46 μm (% total recovered mass)
NGI	1	9.37 ± 0.75	77.63 ± 1.23
	2	16.60 ± 0.63	69.12 ± 0.88
	4	17.66 ± 1.18	68.13 ± 0.88
	8	19.03 ± 2.29	66.41 ± 2.16
	16	15.78 ± 0.50	69.64 ± 0.62
	Reference	18.06	65.94
		FPM0.76–6.2 μm (% total recovered mass)
ACI	1 s	23.84 ± 1.54	75.98 ± 1.61
	2 s	22.93 ± 3.11	76.93 ± 3.16
	4 s	21.57 ± 1.38	78.30 ± 1.41
	8 s	19.75 ± 1.98	80.12 ± 2.04
	16 s	21.91 ± 1.01	77.94 ± 1.03
	Reference	23.17	76.74

n = 3 replicates (except for reference); mean±SD