3

16

3

243

3124

41

3

3

0.008

0.007 0.007

0.005

0.004 0.004 0.004

0.003 0.003 0.003

0.001 0.001 0.001 0.001 0.001 0.001 0.001

0.000

0.001

0.000 0.000

0.001

0.002

0.003

0.004

0.005

0.006

0.007

0.008

0.009

0.010

16 17 18 19 20 21 22 23 24 25

SO2(ppm)

3

20

3

3

22