| 1100 | Fill N2 cold traps full. |
| 1700 | Stop cryocleaning mixture. Pump mixture into dump. |
| 1730 | Open valve 8 to pump mixture out of cold traps. |
| 1800 | Extract cold traps from LN2 bath, and warm to room temperature. |
| | P2 rises to 22 mbar. No saturation: it looks like both cold traps are clean. |
| | G2 reads 654 mbar. Is this just variation, or does it mean the mixture is cleaner? |
| 1845 | Expose cold traps to heat gun for 1 hour. |
| | P2 rises to 35 mbar. Good enough: no further cleaning should be required. |
| 2100 | Place cold traps back in LN2 bath and leave to cool. |
| | Fill N2 cold trap full. |
| 2200 | Stop pumping on cold traps and introduce mixture. |
| | Start cryocleaning overnight. |