|
Group
|
Site
|
Diameter†(nm)
|
Number (particles/cm3)
|
Surface (nm2/cm3)
|
Mass (μg/m3)
|
|---|
|
Control
| |
0
|
0
|
0
|
0
|
| |
Upa
|
4.29(1.69)
|
2.46 × 104 ± 2.38 × 102
|
1.96 × 106 ± 3.28 × 104
|
0.04 ± 0.00
|
|
Low
|
Downb
|
4.32(1.64)
|
2.21 × 104 ± 2.98 × 102
|
1.81 × 106 ± 4.03 × 104
|
0.04 ± 0.00
|
| |
Total
|
4.30(1.67)
|
2.36 × 104 ± 1.90 × 102
|
1.90 × 106 ± 2.55 × 104
|
0.04 ± 0.00
|
| |
Up
|
4.11(1.35)
|
2.40 × 105 ± 1.98 × 103
|
1.71 × 107 ± 2.24 × 105
|
0.38 ± 0.02
|
|
Middle
|
Down
|
4.13(1.41)
|
2.29 × 105 ± 2.59 × 103
|
1.53 × 107 ± 2.05 × 105
|
0.38 ± 0.03
|
| |
Total
|
4.12(1.38)
|
2.36 × 105 ± 2.32 × 103
|
1.68 × 107 ± 1.66 × 105
|
0.38 ± 0.02
|
| |
Up
|
4.96(1.77)
|
1.98 × 106 ± 1.85 × 104
|
3.67 × 108 ± 6.35 × 107
|
20.14 ± 0.64
|
|
High
|
Down
|
5.20(1.93)
|
1.66 × 106 ± 1.53 × 104
|
3.60 × 108 ± 7.51 × 106
|
20.80 ± 0.73
|
| |
Total
|
5.06(1.86)
|
1.85 × 106 ± 1.36 × 104
|
3.64 × 108 ± 4.85 × 106
|
20.02 ± 0.41
|
- †: GM(GSD)
- a: breathing zone,
- b: below breathing zone.
- Control chamber indicates number of particles passed after HEPA filter
