SCHEDULE 8RADIOACTIVE SUBSTANCES ACTIVITIES
PART 1Scope and interpretation
Historic radium contamination12
A substance or article is not radioactive material or radioactive waste where the substance or article arises from the remediation of land contaminated by radium and—
a
the substance or article contains Ra-226 or its progeny;
b
in the absence of Ra-226 or its progeny, the substance or article would not otherwise be radioactive material or radioactive waste;
c
the contamination occurred prior to 13th May 2001; and
d
the concentration of Ra-226 and any progeny resulting from the decay of Ra-226 does not exceed the following values—
i
for a substance or article which is a solid or a substance which is a relevant liquid, 1 becquerel per gram;
ii
for a substance which is any other liquid, 1 becquerel per litre; or
iii
for a substance which is a gas, 0.01 becquerels per cubic metre.