# The Private Water Supplies (Wales) Regulations 2017, Paragraph 7

Extent: E+W

The strategies referred to in paragraph 6 may include screening for—
(a) certain radionuclides or individual radionuclide; or
(b) gross alpha activity or gross beta activity (where appropriate gross beta activity may be replaced by residual beta activity after subtraction of the K-40 activity concentration).

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Source: https://www.legislation.gov.uk/wsi/2017/1041/schedule/4/paragraph/7 (the official version)
Page: https://openlegislation.uk/private-water-supplies-wales-regulations-2017/schedule-4/paragraph-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.