SCHEDULE 23Radioactive substances activities

PART 2Interpretation

Radionuclides not of natural terrestrial or cosmic origin in background radioactivity8

1

A substance or article is not radioactive material or radioactive waste where—

a

the substance or article is contaminated as a result of a climatic process, or a combination of such processes, by radionuclides which—

i

are not of natural terrestrial or cosmic origin, and

ii

are not present in the substance or article at a concentration that exceeds that found normally in such a substance or article in the United Kingdom, and

b

in the absence of such contamination, the substance or article would not otherwise be radioactive material or radioactive waste under this Schedule.

2

In this paragraph, a “climatic process” includes wind, precipitation and the general circulation of the atmosphere and oceans.