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    User name brads

    Log entry time 17:03:29 on February 9,2009

    Entry number 260034

    keyword=BB MWDC gas system pressures retuned

    Ethane/Argon mix pressure was found to be set very low on the regulator up in the gas shed. No one is sure why/when that happened.

    I closed the regulator on the BB stack, Jack opened the regulator on in the gas shed and pressurized the system to 12--15psi. After waiting 5 minutes I reopened the regulator on BB to ~1.8psi and adjusted the flowmeters on the chambers to the correct settings.

    All chambers are bubbling though again at a good rate. We'll see if the system is now stable.