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| 1. | All permit required confined spaces shall be identified by |
| 2. | Duty of the Attendant |
| 4. | Permit form 17237 |
| 5. | containing less than 19.5 percent |
| 9. | Mobile tank vehicles and tank cars shall be ____ |
| 12. | written authorization to perform welding operations |
| 14. | lighting shall be of the ________ type |
| 15. | a confined space that does not contain a hazardous atmospher |
| 17. | Confined spaces shall be ___ prior to entry |
| 18. | used to maintain safe conditions in a confined space |
| 19. | Self Contained Breathing Apparatus |
| 20. | Canceled entry permit forms shall be retained for at least |
| 22. | atmosphere that may expose employees to the risk of death |
| 23. | passes through an opening |
| 25. | can cause an oxygen-deficient atmosphere |