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Loading from 2014-02-01 - 2014-03-01
Data taken from DMF, untarred, unzipped and renamed back to orignal file names

It was noted that BOTH TEI 42i's began to lose  their internal Mass Flow Meters.  This was not consequential as the inlet has much better Mass Flow Controllers.  The effect was noted as periodic drop outs and shifts in the internal MFM signals.  The same behavior was noted in TCAP.  It appears related to ingestion of water, though this is by no means definite.

Data dropouts -

Power at T3 has been most irregular.  The NOx box in particular is susceptible to interruptions.  After resumption of power, it takes time for the signals to stabilize (the PMT cooler takes some time to reach equilibrium).  A log of data dropouts is as follows.  Consult the site log for details.

2014-02-01 00:00 - 2014-02-01 14:08 Pumps were off, no data
2014-02-03 15:11 - 2014-02-04 19:25 Inlet box lost communications (Operator error?) Restored after Mentor support, some data here (inlet was operational)  NO/NOx box was not restarted by Operator
2014-02-07 18:36 - 2014-02-08 16:10 Pumps off, no data
2014-02-10 13:09 NOy MFM began to report spurious signal.  This appears related to water infiltration.  The signal appears normal and the standard addition confirms that response is nominal.  The MFC is completely normal.
2014-02-10 14:24 - 2014-02-10 15:34 Pumps off, no data
2014-02-19 23:13 - 2014-02-20 15:54 Pumps off, no data
2014-02-21 09:25 - 2014-03-01 00:00 Flows began to oscillate after repeated power failures.  Cause unknown.  Operators unable to re-establish control.  Condition persisted through end of month until Mentor visit to site.