| 1010 | Fed Cricket 3 pellets. |
| 1108 | Fill LN2 Cold Trap Full. |
| 1455 | Interrupt cryocleaning. Pump mixture into dump. |
| 1730 | Mixing chamber temperature 7.00 K. |
| | He-4 leak rate 1.4E-9 mbar l/s in pipes leading to IVC. Open up IVC and He-4 leak rate rises to 1.5E-6 mbar l/s. |
| | Uncalibrated He-3 leak rate 1.3E-9 mbar l/s in pipes leading to IVC: an order of magnitude greater than that taken yesterday, but being uncalibrated this probably means nothing. Open up IVC and uncalibrated He-3 leak rate falls to 1.2E-9 mbar l/s. |
| 2000 | Fill N2 cold trap full. |
| 2335 | Fed 30 mbar (dump pressure) of He-3 into dump at 1730: intial pressure in dump 694 mbar; final pressure in dump 724 mbar. Not sure how much He-3 is left in gas canister. Have been pumping on lines leading to gas canister, which itself was isolated, since 1800. Stop pumping on these lines and start cryocleaning mixture through nitrogen cold trap 2. |
| 2350 | Fill N2 cold trap almost full: half a litre shy, but good enough. |