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2013/02/22

1015 Filled LN2 cold trap.
1050 Fed Cricket 4 pellets.
1120 Finished tightening IVC flange.
1143 Performed leak check. Background at 1.42E-9 mbar l/s, new rate at 1.57E-9 mbar l/s. A quick check to QET A and QET D shows they are still not open.
1358 Dewar raised and screwed in.
1545 Evacuated Main Bath, filled it with Helium gas and evacuated 1KPot. The leak rate was measured at 1.8E-9 mbar l/s. No gross leak detected. Filled IVC with 5.4mbar exchange gas.
1600 Remove recovery hose and begin LN2 transfer.
1630 Filled LN2 cold trap. Start cryocleaning the mixture.
1740 End LN2 transfer. Put on ping pong ball.
1809 Fed Cricket 4 pellets.