Table 2 Enrichment factors (EF) as a function of particle diameter (D a) for the two characterization studies A and B.
Study A | Study B | ||
|---|---|---|---|
D a (μm) | EF | D a (μm) | EF |
0.20 – 0.79 | 6 ± 2 | 0.20 – 0.79 | 5 ± 1 |
0.80 – 1.39 | 5 ± 1 | 0.80 – 1.39 | 5 ± 1 |
1.40 – 1.99 | 5 ± 3 | 1.40 – 1.99 | 4 ± 1 |
2.00 – 2.59 | 4 ± 1 | 2.00 – 2.59 | 5 ± 2 |