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    User name R. Michaels

    Log entry time 06:13:17 on December 2,2007

    Entry number 217792

    keyword=gas update

    We diagnosed the gas system. The argon, ethane and CO2 bottles
    are ok (at least 400 psi on each) but the Nitrogen was empty.
    We paged Jack, he said that the N2 being out can cause a main
    valve to close, shutting off all gas (if I understood him right),
    so he's coming in to fix the N2 and get our gases to flow again.