Guidance on the use of inert gases

February 2024 Rev. 0.1 – Updating preface, reference links and layout, but no change to content

July 2022 – Updated and issued as IMCA D070

February 1986 – Initial publication as AODC 038.

  • Introduction
  • Diving Depths
  • Calibration Gases
  • Gases and Gas Mixing for Chamber Compression and Recompression
  • Colour Coding
  • Gas Analysing
  • Conclusion
  • Appendix – Specimen of Permit to Use Pure Inert Gas in a Diving Operation
Reference(s): IMCA D070
Published:February 2024
Grade:IMCA Recommended Practice

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