List of PMT Replacements
	    ---------------------------------

 ch.	cable	  date	   old PMT   new PMT	description
-----  -------   ------   ---------  --------  --------------------
138    ECP 63   3/21/94?   ZH1358     ZH1150   base shorted

124    ECP 49	4/26/94	   CA0068     ZH1336   large gain drift
138    ECP 63	4/26/94	   ZH1150     ZH1358   large gain drift

 34    ECM 34	11/18/94   ZH1653     ZH1621   long warm-up time (~2 hours)
 59    ECM 59	11/18/94   ZH1356     CA0074   large DC anode current (10uA) out of spill
 78    ECP 03	11/23/94   RA0122     RA0181   gain fluctuations of 10% (gain incr in spl)
 90    ECP 15	11/23/94   CA0181     CA0190   broken base (15% gain drop over 7/94)
104    ECP 29	11/23/94   ZH1328     CA0038   20% gain drop over 7/94
128    ECP 53	11/23/94   CA0207     CA0176   25% gain drop over 7/94
 92    ECP 17	11/24/94   CA0035     CA0269   15% gain drop for 1 week
 99    ECP 24	11/24/94   ZH1333     CA0249   30% gain drop for 2 weeks
138    ECP 63	11/28/94   ZH1358     CA0250   sudden gain change of 25%

  5    ECM05	01/17/96   RA0094     RA0232   gain fluctuations of up to 100%
 24    ECM24    01/17/96   ZH1341     CA0268   gain fluctuations of up to 75%
105    ECP30	01/23/96   ZH1636     CA0252   gain jump of x2 at end of 1995 run (and back)