Table 2.

List of the stages and the respective collected diameter range and cutpoint diameters.

Stage #	Diameter Range (μm)	Cutpoint Diameter (μm)
1	> 18	18
2	18–10	10
3	10−5.6	5.6
4	5.6–3.2	3.2
5	3.2–1.8	1.8
6	1.8–1.0	1.0
7	1.0–0.56	0.56
8	0.56–0.32	0.32
9	0.32–0.18	0.18
10	0.18–0.10	0.10
11	0.10–0.056	0.056
12	< 0.056	< 0.056