Hi,
        BLAST shifts from 00:00 Tuesday, 9 March to 16:00 Tuesday 9 March are 
cancelled.
        We will close the valves around the target chamber and start warming 
up the target cell (which has lots of water frozen to its surface) at 
midnight so that the chamber can be opened tomorrow morning to install 
the new collimator.
        The last shift tonight should ensure that the detector HV is turned 
off and that the ABS is shutdown and valves closed.  Hopefully Ernie 
and/or Genya will also check that everything is done properly.
                                                                         
                      Cheers,
                                                                         
                                      Douglas
26-415 M.I.T.                                                           
Tel: +1 (617) 258-7199
77 Massachusetts Avenue                                  Fax: +1 (617) 
258-5440
Cambridge, MA 02139, USA                               E-mail: 
hasell@mit.edu
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