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Table 3 Reported breathing parameters of healthy subjects from similar experimental studies

From: A novel in-situ method to determine the respiratory tract deposition of carbonaceous particles reveals dangers of public commuting in highly polluted megacity

Study

Activity

Age

Subjects

BR

TV

MV

(yrs)

(n)

(# min−1)

(L breath−1)

(L min−1)

U.S. EPA[39]

Sitting

21–31

1724

4.2

 

Exercisea

21–31

1724

12

ICRP [40]

Sitting

20–50

13 ± 1.4

0.6 ± 0.2

7.8 ± 1.8

 

Exercise

20–50

21 ± 0.7

1.2 ± 0.2

24 ± 2.1

Tobin et al. [43]

Resting

23–34

47

17 ± 2.7

0.4 ± 0.1

6.2 ± 1.3

Daigle et al.[21]

Sitting

18–52

12

16 ± 2.8

0.6 ± 0.1

9.0 ± 1.3

 

Exerciseb

18–33

7

29 ± 5.4

1.3 ± 0.4

38 ± 10

Löndahl et al.[17]

Sitting

22–34

28

12 ± 2.0

0.7 ± 0.2

7.8 ± 1.5

Löndahl et al. [23]

Sitting

20–40

29

12 ± 2.3

0.7 ± 0.2

7.8 ± 1.5

 

Exercisec

20–40

29

17 ± 3.7

2.1 ± 0.5

34 ± 8.0

Löndahl et al. [22]

Sitting

21–31

10

12 ± 2.1

0.7 ± 0.2

8.1 ± 2.8

Löndahl et al. [27]

Sitting

21–38

9

11 ± 1.6

0.7 ± 0.2

7.6 ± 1.2

Rissler et al. [44]

Sitting

23–45

9

10 ± 3.6

0.9 ± 0.3

9.0 ± 4.4

Rissler et al. [26]

Sitting

20–29

19

10 ± 3.6

0.7 ± 0.2

7.3 ± 2.2

Guo et al. [45]

Sitting

34

1

20

0.4

8.0

This study

Sitting

18–27

40

13 ± 6

0.6 ± 0.4

7.7 ± 4.6

 

Exercised

18–27

40

14 ± 8

0.6 ± 0.4

7.8 ± 4.6

  1. Values from widely used exposure EPA Exposure Handbook and ICRP Reference Values are added for comparison
  2. Mean ± SD; a = light intensity 1.5 < METS < 3.0; b = 15 min. of moderate exercise in ergometer; c = light exercise at 65–75% of estimated maximal heart rate; d = slow walking, average speed of 3.5 km h−1