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    User name M Friend

    Log entry time 18:14:45 on November 21, 2009

    Entry number 301650

    This entry is a followup to: 300585


    keyword=Compton shielding

    The 8mm of lead shielding was removed from the Compton photon beamline. It was replaced by 10.3cm of CH2 downstream of the collimator and 2mm of lead downstream of the CH2. The 1mm of lead upstream of the collimator is still there.