Shutdown mrc SNF 2010-12-03 11:34:57: Rough T/C does not decrease when roughing valve open

justinwu at snf.stanford.edu justinwu at snf.stanford.edu
Fri Dec 3 11:34:57 PST 2010


After roughing valve is open for pump down, pressure does not go below 2Torr, if closed and reopened, pressure returned to ATM.
Has been left with roughing line and foreline valves closed.




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