Liquid Nitrogen (LN2), Oxygen (LOX) and Cryogens Checklist.

• Document No.

• Audit Title

• Client / Site

• Conducted on

  Date

• Prepared by

• Location
  Address

• Personnel

43.13 Liquid Nitrogen (LN2), Oxygen (LOX) and Cryogens Checklist.

• 43.13.1. Are all high-pressure lines secured with brackets, braces or other devices to prevent<br>whipping from a failed line? Reference 43.2.4

  Yes

  No

  N/A

• 43.13.2. Are painting, welding, cutting and brazing, solvent use and any operation producing toxic<br>or noxious gases or vapors prohibited during LN2 or LOX production runs? Reference 43.2.5

  Yes

  No

  N/A

• 43.13.3. Are cryogenic facilities sited by minimum separation distances or greater as prescribed by<br>UFC 3-600-01, Fire Protection Engineering Facilities and TO 00-25-172, Ground Servicing of<br>Aircraft and Static Grounding/Bonding? Reference 43.3.1

  Yes

  No

  N/A

• 43.13.4. Do LN2 and LOX production facilities and storage locations have permanent signs posted<br>indicating ―OXYGEN—NO SMOKING—NO OPEN FLAMES‖ or an equivalent warning?<br>Reference 43.3.2.2

  Yes

  No

  N/A

• 43.13.5. Are LOX-compatible joint sealers used where spills are likely to occur in LOX handling<br>and storage areas? Reference 43.3.2.4

  Yes

  No

  N/A

• 43.13.6. Is the area around the LN2 and LOX plant itself made of concrete? Reference 43.3.2.4

  Yes

  No

  N/A

• 43.13.7. Is guidance requested from and provided by BE on hazards, precautions, PPE and<br>ventilation required for working with solvents and chemicals? Reference 43.4.1

  Yes

  No

  N/A

• 43.13.8. Is the proper PPE provided and used by workers handling solvents and chemicals?<br>Reference 43.5.1

  Yes

  No

  N/A

• 43.13.9. Are personnel prohibited from using the same PPE for cryogenic operations as used for<br>chemical protection? Reference 43.5.1

  Yes

  No

  N/A

• 43.13.10. Is PPE always worn when an uninsulated cryogenic surface could be touched? Reference<br>43.5.2.2

  Yes

  No

  N/A

• 43.13.11. Do workers avoid using cryogenics in small unventilated rooms? Reference 43.5.4.1

  Yes

  No

  N/A

• 43.13.12. Is access to firefighting equipment in LN2 and LOX facilities clear and unobstructed?<br>Reference 43.6.7

  Yes

  No

  N/A

• 43.13.13. Are preventive measures established and used to ensure LOX does not come in contact<br>with organic materials or flammable substances? Reference 43.6.8

  Yes

  No

  N/A

• 43.13.14. Are floors and drip pans in LOX plants and storage plants maintained in spotless<br>condition? Reference 43.8.1

  Yes

  No

  N/A

• 43.13.15. Are procedures established to verify the correct product is transferred to the correct storage<br>tank or cart? Reference 43.9.1

  Yes

  No

  N/A

• 43.13.16. Are two (2) fully knowledgeable workers within normal voice or eye contact when<br>generating or transferring cryogenic fluids? Reference 43.9.2

  Yes

  No

  N/A

• 43.13.17. Are cryogenic storage and dispensing facilities sited IAW paragraph 43.3? Reference<br>43.11.6.5

  Yes

  No

  N/A