Blending, testing and use of EANx
Where EANx is blended, tested, stored or used at the workplace, employers or self-employed people should ensure:
- EANx gas mixing and EANx cylinder filling are carried out by a competent person
- all equipment associated with the filling or use of EANx is used in accordance with manufacturers' recommendations
- all scuba cylinders to be used for the storage of EANx are clearly marked 'NITROX'
- prior to using an EANx cylinder, the oxygen content in the cylinder is tested by the diver
- after testing, a tag/decal is completed by the diver and is attached to the cylinder showing -
- oxygen percentage
- maximum operating depth of the gas mixture
- cylinder serial number, in case the tag is separated from the cylinder.
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