Contaminants · Radionuclides

RadiumRa

Radioactive matter: it decays by itself, each radionuclide at its own pace (its half-life), and no treatment speeds that up; it can only be removed, isolated or left to decay.

On the national lists

Sites on the national lists whose official record names this substance. In the bar, the coloured part is the sites still listed. The lists, in full, are on the sites page.

Sites where it is found