Coal's Deadly Dust

7.2

(89)

6.7

(3)

5.2

(2)

8

(4)

7.7

(32)

5.8

(8)

6.3

(8)

7.4

(25)

6.5

(70)

6.3

(3)

7.7

(7)

7.5

(24)

6.8

(26)

6.9

(286)

7.7

(129)

7.5

(38)

7

(41)

6.5

(358)

7

(12)

6.9

(22)