From rissman at snf.stanford.edu Tue Jul 24 19:55:37 2007 From: rissman at snf.stanford.edu (rissman at snf.stanford.edu) Date: Tue, 24 Jul 2007 19:55:37 -0700 Subject: Shutdown tylan6 SNF 2007-07-24 19:55:36: pocl problem Message-ID: Eric P. found the tube billowing smoke out the front of the tube. He shut down the inlet and outlet of the liquid source. There may be an issue with the scavenger exhaust or liquid source in the tube and partially blocked tube exit port. From maurice at snf.stanford.edu Thu Jul 26 11:42:44 2007 From: maurice at snf.stanford.edu (maurice at snf.stanford.edu) Date: Thu, 26 Jul 2007 11:42:44 -0700 Subject: Shutdown tylan6 SNF 2007-07-24 19:55:36: pocl problem Message-ID: Mike adjusted scavenger exhaust and ajusted tube packing that had partially blocked tube exit port. He ran a pocl run thinks seemed ok. We will keep it yellow light and watch it. From maurice at snf.stanford.edu Thu Jul 26 11:44:58 2007 From: maurice at snf.stanford.edu (maurice at snf.stanford.edu) Date: Thu, 26 Jul 2007 11:44:58 -0700 Subject: Problem tylan6 SNF 2007-07-26 11:44:58: Under oberservation Message-ID: Mike adjusted scavenger exhaust and ajusted tube packing that had partially blocked tube exit port. He ran a pocl run thinks seemed ok. We will keep it yellow light and watch it. From mtang at snf.stanford.edu Fri Jul 27 09:13:12 2007 From: mtang at snf.stanford.edu (mtang at snf.stanford.edu) Date: Fri, 27 Jul 2007 09:13:12 -0700 Subject: Problem tylan6 SNF 2007-07-27 09:13:11: POCl use restricted to prime time Message-ID: The exhaust issue has been addressed, but to be safe, this system should be run only while there is staff available to address any possble problems. Until further notice, users should check in with Ray, Mike, or Maurice before running. From maurice at snf.stanford.edu Mon Jul 30 15:20:30 2007 From: maurice at snf.stanford.edu (maurice at snf.stanford.edu) Date: Mon, 30 Jul 2007 15:20:30 -0700 Subject: Shutdown tylan6 SNF 2007-07-30 15:20:30: User saw a cloud coming from tube Message-ID: User saw a cloud coming from tube. Run aborted as per Ted. From seymour at snf.stanford.edu Mon Jul 30 15:21:05 2007 From: seymour at snf.stanford.edu (seymour at snf.stanford.edu) Date: Mon, 30 Jul 2007 15:21:05 -0700 Subject: Shutdown tylan6 SNF 2007-07-30 15:21:05: exhaust problems Message-ID: vapors escaping front of tube. aborted run. looked at exhaust sliders and not blocked. may need to measure flow.