| 1406 | Raised Dewar after re-tightening all the In seals. |
| 1407 | Leak checker He BG 2.9E-10cc/s |
| | IVC BG with pumping station connected: 8.5E-9cc/s |
| | IVC BG without pumping station 1.2E-7cc/s. BG is too high. Will flush IVC with N2 |
| 1421 | Fill IVC to 100mbar N2 and pump it out |
| 1424 | Pump to 0.1mbar, He 1.5E-6cc/s |
| 1425 | Fill IVC to 100mbar and pump it out |
| 1428 | Pump to 0.1mbar, He 5E-7cc/s |
| 1429 | Fill IVC to 100mbar N2 and pump it out |
| 1432 | Pump to 0.1mbar, He 1.2E-7cc/s |
| 1433 | Fill IVC to 100mbar N2 and pump it out |
| 1437 | Pump to 0.1mbar, He 1E-7cc/s. Stop flushing and connect the pumping station. |
| 1710 | IVC BG 8.8E-8cc/s with pumping station isolated |
| | Fill N2 cold trap full |
| | The leak rate rose again when pumping the main bath. The leak is still there. We decided to go to 77K anyway. |