# The Environmental Permitting (England and Wales) Regulations 2010, Paragraph 2: Interpretation: radioactive material


(1) In this Schedule, “radioactive material” means anything which, not being waste, is either a substance to which this sub-paragraph applies or an article made wholly or partly from, or incorporating, such a substance.
(2) Sub-paragraph (1) applies to any substance which—
(a) contains an element specified in the first column of the table in sub-paragraph (4), in such a proportion that the number of becquerels of that element contained in the substance, divided by the number of grams which the substance weighs, is a number greater than that specified in relation to that element in the appropriate column of that table; or
(b) possesses radioactivity which is wholly or partly attributable to a process of nuclear fission or other process of subjecting a substance to bombardment by neutrons or to ionising radiations, not being a process occurring in the course of nature, or in consequence of the disposal of radioactive waste, or by way of contamination in the course of the application of a process to some other substance.
(3) In sub-paragraph (2)(a), “the appropriate column” means—
(a) in relation to a solid substance, the second column;
(b) in relation to a liquid substance, the third column;
(c) in relation to a substance which is a gas or vapour, the fourth column.
(4) The table referred to in sub-paragraph (2)(a)—
Specified elements
Element
Becquerels per gram (Bq g (to the power of -1))
Solid
Liquid
Gas or Vapour
1. Actinium
0.37
7.40 x (10 to the power of -2)
2.59 x (10 to the power of -6)
2. Lead
0.74
3.70 x (10 to the power of -3)
1.11 x (10 to the power of -4)
3. Polonium
0.37
2.59 x (10 to the power of -2)
2.22 x (10 to the power of -4)
4. Protoactinium
0.37
3.33 x (10 to the power of -2)
1.11 x (10 to the power of -6)
5. Radium
0.37
3.70 x (10 to the power of -4)
3.70 x (10 to the power of -5)
6. Radon
-
-
3.70 x (10 to the power of -2)
7. Thorium
2.59
3.70 x (10 to the power of -2)
2.22 x (10 to the power of -5)
8. Uranium
11.1
0.74
7.40 x (10 to the power of -5)

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Source: https://www.legislation.gov.uk/ukdsi/2010/9780111491423/schedule/23/part/2/paragraph/2 (the official version)
Page: https://openlegislation.uk/draft-environmental-permitting-england-and-wales-regulations-2010/schedule-23/part-2/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.