Shutdown tylan2 2002-09-11 15:33:19: checking H2/TCA and O2 lines

[seymour at snf.stanford.edu]

replaced H2/TCA line checked O2 line and it was clean. Leak checked plumbing, replaced electric soleniod for nupro valves for O2LO, TCA, AND TUBE. Checked for proper operation.  The tube now need to be tested.