This is the review of the DAN nitrox workshop, the IANTD presentation is located at
Nitrox and Its Impact on the Dive Industry by Tom Mount, CEO IANTD World Headquarters.
Thank all of you for all the information you
provided to IANTD for this meeting, looks like everything went exactly as we wished.
For entry-level, open-circuit nitrox diving:
- No evidence was presented that showed an increased risk of DCS from the use of oxygen
enriched air (nitrox) versus compressed air.
- A maximum PO2 of 1.6 atm was accepted based on its history of use and scientific studies.
- Routine CO2 retention screening is not necessary.
- Oxygen analyzers should use a controlled-flow sampling device.
- Oxygen analysis of the breathing gas should be performed by the blender and/or dispenser
and verified by the end user.
- Training agencies recognize the effectiveness of dive computers.
- For recreational diving, there is no need to track whole body exposure to oxygen
(OTU/UPTD).
- Use of the "CNS Oxygen Clock" concept, based on NOAA oxygen exposure limits, should
be taught. However, it should be noted that CNS Oxygen toxicity could occur suddenly and
unexpectedly.
- No evidence was presented, based on history of use, to show an unreasonable risk of fire or
ignition when using up to 40% nitrox with standard scuba equipment. The level of risk is related
to specific equipment configurations and the user should rely on the manufacturer's
recommendations.
Tom Mount
CEO IAND Inc. / IANTD
TOM.MOUNT@inetmail.att.net
IANTD website at www.iantd.com
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