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    User name jpchen

    Log entry time 08:43:42 on May18,2009

    Entry number 274455

    keyword=reference cell re-filled 100 psig D2, re-adjusted perssure gauge

    Reference cell had 95 psig (probably D2).
    Vented (pressugre gauge reading -3 psig), then evacuated.
    Pressure gauge reading -18 psig, vacuum gauge reading -18 torr.
    Zeroed vacuum gauge and adjusted pressure gauge to be -15 psig.
    Then filled with D2, first to 1 atm, checked pressure gauge, reading -15 psig, while vacuum gauge reading 780 torrs. Then filled to 100 psig D2.