This unit describes the skills required to gauge explosives and/or components for inspection, testing, maintenance or to determine serviceability. Gauging requires the ability to work safely within an explosives environment, to calculate and apply net explosive quantity, to assess and apply compatibility and to maintain documentation.This unit applies to those required to gauge explosives and/or components to confirm compliance with established design parameters and/or other specifications, references or publications.The skills and knowledge described in this unit must be applied within the legislative, regulatory and policy environment in which they are carried out. Organisational policies and procedures must be consulted and adhered to.Those undertaking this unit would work independently and/or as part of a team, under indirect supervision. They would use discretion and judgement and take responsibility for the quality of their outputs while performing specific tasks in a broad range of contextsNo licensing, legislative or certification requirements apply to unit at the time of publication.