standard values and relationships
as defined in Council Directive 2013/59/Euratom of 5 December 2013 laying down basic safety…, Article 4, point (96) (Definitions)
values and relationships recommended in chapters 4 and 5 of ICRP Publication 116 for the estimation of doses from external exposure and chapter 1 of ICRP Publication 119 for the estimation of doses from internal exposure, including updates approved by Member States. Member State may approve the use of specific methods in specified cases relating to the physico-chemical properties of the radionuclide or other features of the exposure situation or of the exposed individual