UOGML Dive Manual - University of Guam Marine Laboratory

5. For nitrox production purposes, percentages/psi of oxygen present in a
given mixture, and psi of each gas required to produce an f0 2 by partial
pressure mixmg.
e) Dive table and dive computer selection and usage;
f) Nitrox production methods and considerations.
g) Oxygen analysis.
h) Nitrox operational guidelines (Section 7.40), dive planning, and dive station
components.
8.3.4 Openwater Dives
A minimum of two supervised openwater dives using nitrox is required for
authorization. The mode used in the dives should correspond to the intended
application (i.e., scuba or surface-supplied). If the MOD for the mix being used can
be exceeded at the training location, direct, in-water supervision is required.
8.4 Scientific Nitrox Diving Regulations
8.4.1 Dive Personnel Requirements
a) Nitrox Diver In Training - A Diver In Training, who has completed the training
and authorization sections of these guidelines, may be authorized by the DSO to
use nitrox under the direct supervision a Scientific Diver who also holds nitrox
authorization. Dive depths should be restricted to those specified in the diver's
authorization.
b) Scientific Diver - A Scientific Diver who has completed the training and
authorization sections of these guidelines, may be authorized by the DSO to use
nitrox. Depth authorization to use nitrox should be the same as those specified
in the diver's authorization.
c) Lead Diver - On any dive during which nitrox will be used by any team
member, the Lead Diver should be authorized to use nitrox, and hold
appropriate authorizations required for the dive, as specified in AAUS
Standards. Lead Diver authorization for nitrox dives by the DSO and/or DeB
should occur as part of the dive plan approval process.
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