46 CFR § 154.906 - Inert gas generators.
§ 154.906 Inert gas generators.
The inert gas generator must:
(a) Produce an inert gas containing less than 5% oxygen by volume;
(b) Have a device to continuously sample the discharge of the generator for oxygen content; and
(c) Have an audible and visual alarm in the cargo control station that alarms when the inert gas contains 5% or more oxygen by volume.