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Table 3 Exposure assessment in each industrial unit (mg/m 3)

From: Do bullae and emphysema increase risk of pneumothorax in silicosis?

Industrial unit

Total dust

Total Respirable dust

Respirable quartz

1

1355.37

66.70

17.35

2

1438.21

78.34

19.60

3

1442.21

79.45

17.89

4

1472.73

83.87

20.34

5

1542.32

88.45

22.87

6

1618.71

94.45

26.00

7

1624.45

83.45

23.90

8

1641.34

105.54

31.89

9

1645.13

104.79

32.90

10

1725.75

109.86

31.00

11

1747.00

111.27

39.90

12

1747.00

121.32

42.27

13

1747.45

121.30

42.80

14

1836.73

126.97

44.90

15

1845.37

127.12

44.89

16

1924.14

134.12

45.89

17

1995.34

134.78

50.90

18

2032.80

159.45

56.90

19

2058.81

141.00

48.50

20

2067.83

134.60

44.80