Component

D1 (at room temperature)

D2 (Sawdust)

D3 (in water bath)

Methane

45.58%

52.85%

62.75%

Carbon dioxide

50.47%

44.38%

35.11%

Oxygen

3.25%

2.17%

1.54%

Hydrogen sulfide

254 ppm

215 ppm

200 ppm