Uranium Mill Tailings

High-Level Waste

Radioactive Waste

NORM

Transuranic (TRU) Waste

Low-Level Waste

The term Naturally Occurring Radioactive Material (NORM), in theory, applies to all the radioactive...

Transuranic waste consists of transuranic elements which are manmade radioactive elements with an atomic...

Items that have become contaminated with radioactive material through neutron...

In the United States HLW (High-Level Waste) is classification by the means through which...

When nuclear materials are used for either industrial, medical or scientific processes,...

noble gas series; through a radioactive decay process. The tailings also contain the radioactive metal thorium of the actinide series and small residues of uranium the metal used as a fuel in nuclear reactors. 


The radioactive concentration of these tailings is relatively low with long half-lives. For instance, radium has a half-life of 1,600 years and thorium has a half-life of 77,000 years. According to the Nuclear Regulatory Commission (NRC) it is for this reason that the US Congress requires perpetual government custody of these disposal sites. However, one must mention that according to the World Nuclear Association (WNA) mining and mill tailings are not strictly classified as radioactive waste. 


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The mining process through which extract of uranium and thorium are sought generates a type of fine sandy tailings that contains naturally occurring radioactive elements. The tailings contain radium a radioactive metal of the alkaline earth series, which turns into radon a radioactive gas belonging to the