ForewordScopeNormative referencesTerms and definitionsPhantom manufacturingPhantom descriptionPositioning of the inner inserts with respect to the mechanical centreElectron density calculation and determination of polystyrene phantom radiusMeasurement methods and resultsBeam quality correction factorMeasurement of the beam profileMeasurement of FWHM – physical penumbra and sharpnessUncertainty analysisBibliography