. Author manuscript; available in PMC: 2016 Feb 11.

Published in final edited form as: Environ Sci Technol. 2011 Jul 13;45(15):6483–6490. doi: 10.1021/es201379a

Table 2.

Effects of Loading on Collection Efficiency of the Impaction Stage

particle diameter [nm]	prior impactor loading [mg/m³ × h]
	0	13.6	21.5
	collection efficiency (stdev)
15	0.26 (0.08)	0.11 (0.08)	0.15 (0.06)
50	0.12 (0.02)	0.08 (0.04)	0.07 (0.02)
80	0.07 (0.01)	0.07 (0.04)	0.04 (0.01)
100	0.08 (0.03)	0.09 (0.02)	0.06 (0.02)
300	0.54 (0.02)	0.57 (0.01)	0.57 (0.08)
500	0.90 (0.03)	0.89 (0.01)	0.86 (0.07)
800	0.98 (0.02)	0.97 (0.01)	0.92 (0.08)
1000	0.99 (0.01)	0.97 (0.01)	0.93 (0.07)