Gas

CO

H₂

CH₄

CO₂

N₂

Others

%

16.5 - 17.5

4.1 - 4.5

6.8 - 7.2

14.5 - 16.1

16.9 - 45.7

1.24 - 1.4

Mean

16.9 ± 1.1

4.2 ± 0.5

7 ± 0.5

15.1 ± 0.5

25.2 ± 5

1.4 ± 0.3