scope:

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: - Level 1 gas blender; - Level 2 gas blender. This International Standard recognizes that a training programme can be organized and delivered in a modular way.