Paragraph 4 NORM industrial activities
Sub-paragraph (2) applies to a substance or article which—
arises from or is used in a type 1 NORM industrial activity,
is waste which arises from a type 2 NORM industrial activity, or
is contaminated by a substance or article described in paragraph (a) or (b), including where such contamination occurs indirectly through another contaminated substance or article.
A substance or article to which this sub-paragraph applies is radioactive material or radioactive waste where it has a concentration of radioactivity which exceeds the following values in Table 1—
for a substance or article which is a solid or a substance which is a relevant liquid, the value specified in column 2,
for a substance which is any other liquid, the value specified in column 3, or
for a substance which is a gas, the value specified in column 4.