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    User name Yi Qiang

    Log entry time 07:47:15 on April 26, 2009

    Entry number 268612

    keyword=Reference cell gauge drifted again

    Both the low pressure gauge and high pressure gauge have a drifted
    readings now. With the evacuation pumping on, we have the following readings:
    Low Pressure Gauge: -18
    High Pressure Gauge: -19