Schedule 23, Part 2, paragraph 1(2)

In this Schedule, where any reference is made to a substance or article possessing a concentration or quantity of radioactivity which exceeds the value specified in a column in either of Tables 1 and 2, or any of Tables 4A, 5 or 7 in Part 6 of this Schedule, that value is exceeded if— and any reference to a concentration or quantity of radioactivity not exceeding such a value shall be construed accordingly. where only one radionuclide which is listed or described in the relevant table is present in the substance or article, the concentration or quantity of that radionuclide exceeds the concentration or quantity specified in the appropriate entry of that column in that table, or where more than one radionuclide which is listed or described in the relevant table is present, the sum of the quotient values of all such radionuclides in the substance or article, as determined by the summation rule following the table (as it applies to that column), is greater than one,

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Source: legislation.gov.uk · retrieved 2026-07-30