# The Private Water Supplies (Wales) Regulations 2017, Paragraph 13: Calculation of the indicative dose

Extent: E+W

The indicative dose must be calculated from—
(a) the measured radionuclide concentrations and the dose coefficients referred to as “standard values and relationships” in Article 13, and recommended for the estimation of doses from internal exposure in the definition of “standard values and relationships” in Article 4(96), of Council Directive 2013/59/Euratom laying down basic safety standards for protection against the dangers arising from exposure to ionising radiation; or
(b) more recent information recognised by the Welsh Ministers, on the basis of the annual intake of water (730 1 for adults).

---
Source: https://www.legislation.gov.uk/wsi/2017/1041/schedule/4/paragraph/13 (the official version)
Page: https://openlegislation.uk/private-water-supplies-wales-regulations-2017/schedule-4/paragraph-13
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.