| Biomethane Sample (ml) | Pressure (Kpa) | Temperature (˚C) | Time (min) | Results | Deductions |
| 20 | 1.019 | −196 | 5 | No change of state | No change occurred in vessel. |
| 20 | 1.019 | −196 | 10 | 20 ml biogas liquefied to 8 ml liquid. | Samples frozen in the vessel. |
| 20 | 1.019 | −196 | 15 | 20 ml biogas liquefied to 8 ml liquid. | Samples had frozen in the vessel. |