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  1. CSB investigators back at Silver Eagle refinery this week - Chairman Bresland to visit refinery, damaged homes, gov't officials on Tuesday
  2. Reporters not able to attend CSB briefing in person can dial in and ask questions 866-212-6146 conference ID # 42229558 at 2pm MT/4pm ET
  3. CSB to release surveillance video showing actual ignition and explosion of hydrogen gas from refinery's diesel hydrotreater unit Nov. 4
  4. Chairman Bresland to brief media on CSB's Silver Eagle investigation, shutdown decision 2pm MT in Woods Cross, Hampton Inn, Wasatch Room
  5. Out of town media interested in covering the CSB's Silver Eagle briefing by phone contact Sandy Gilmour 202.251.5496 for dial-in information
  6. CSB news briefing on Silver Eagle fire today at 3:30 p.m. Utah time (5:30 p.m. eastern) at Woods Cross Hampton Inn Wasatch Room
  7. CSB news briefing concludes, mentioning Danvers Mass. chemical explosion 3 years ago, also causing community damage
  8. Regulatory and good practice guidance require refineries to have mechanical integrity programs, including inspections of piping
  9. Ruptured pipe was a large pipe that could have released a large quantity of flammable material
  10. Need to determine whether this rupture was a cause or an effect of explosion
  11. Ruptured pipe containing high pressure hydrogen is candidate source of flammable gas
  12. CSB team will be in place at least into next week in Woods Cross depending on what needs to be examined
  13. Concerned about the number of refinery accidents - have eight separate incidents under investigations nationally
  14. Silver Eagle has cooperated with both investigations and has been very helpful
  15. Will be looking at blast zones from this refinery and will look at siting issues
  16. The incident yesterday caused the most off site damage of any refinery accident the CSB has investigated
  17. Holmstrom - refinery safety a general concern now - number of incidents - CSB has called for more OSHA oversight
  18. CSB lead investigator Mackenzie (for Tesoro fire investigation) - at Tesoro liquid was released from flare system in October
  19. A ruptured pipe was observable in the surveillance video and will be examined closely
  20. CSB reviewed a surveillance tape that shows possible flammable vapor release and shows very large fireball - larger than the unit