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Table 3 Summary of inhalation exposure parameters

From: Carbon nanotube dosimetry: from workplace exposure assessment to inhalation toxicology

 

Daily exposure concentration and duration

Exposure dose*

Experiment

Mean concentration (mg/m 3)

RSD (%)

Daily mean exposure (min)

RSD (%)

C x T (mg/m 3x h)

1 – High dose

4.67

7.8

321

1.3

475.4

2 – Middle dose

0.49

6.3

309

2.1

47.6

3 – Low dose

0.32

6.8

48

10.6

4.8

4 – High dose

4.68

9.4

320

2.2

475.4

5 – Middle dose

0.48

5.7

309

2.4

47.5

6 – Low dose

0.42

6.5

36

10.5

4.7

  1. RSD Relative standard deviation.
  2. *Exposure for 19 day.