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    User name Jack

    Log entry time 06:57:01 on December 02, 2007

    Entry number 217800

    This entry is a followup to: 217795

    keyword=Gas system

    When both nitrogen cylinders run out the pneumatic valves on the manifolds close. This cuts off all the gas supplies. The gas was off for one hour, fom 5:30 to 6:30AM. Flow to the VDCs is back to normal at 6:45AM. The mix ratio has been consistent, the flow was off. So, I expect we will not see any effect in the wire chambers.