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    User name jpchen

    Log entry time 23:30:47 on December 2,2010

    Entry number 342479

    keyword=bleedthough measurement

    Did a bleedthrough measurement:
    MCC tuned off Hall A beam while Hall C at 150 uA (Hall B was also on).
    Hall A BCM reads 0.0317 uA (only the last digit changes +-1), MCC reads 0 in theri Hall A BCM. Then asked for tuning off Hall C beam, Hall A BCM reads did not change, still 0.0317 (1) uA. MCC still reads 0 in their Hall A BCM.
    In conclusion, Hall C bleedthrough to Hall A is very small
    ( <= 0.0001 uA).