User name R. Michaels
Log entry time 06:42:33 on December 2,2007
Entry number 217795
keyword=N2 replaced, start data taking
Jack came in and replaced both N2 bottles.
The N2 was empty and this shut off all valves.
We didn't have gas flow for approx 1 hour, but this
is not enough to cause harm (according to experience).
If the gas was off for 3 hours you'd notice it in
Start data taking with lead target.
I guess we should not have stopped taking data ... oh well.