This International Standard specifies requirements for gas blender training programmes and the competencies required of an individual in order to obtain a gas blender certificate from a training organization, attesting that he/she has met or exceeded the requirements specified in this International Standard.
This International Standard specifies two levels of gas blender qualification, as follows:
Level1 gas blender;
Level2 gas blender.
This International Standard recognizes that a training programme can be organized and delivered in a modular way.