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Monitored Retrievable Storage

Monitored retrievable storage (mrs) is a temporary facility used to store radioactive materials. MRS installations are for holding High Level Waste (HLW) radioactive materials that are very “hot,” or radioactive, because they are usually spent fuel rods from a nuclear power plant. The term Monitored Retrievable Storage Installation was defined by Congress in the Nuclear Waste Policy Act (NWPA) in 1987 (as amended). The Nuclear Regulatory Commission was given authority to monitor all MRS installations and the Department of Energy (DOE) is responsible for operating MRS installations.

The Code of Federal Regulations uses the term MRS to mean an installation with a complex designed, constructed, and operated by the DOE “for the receipt, transfer, handling, packaging, possession, safeguarding, and storage of spent nuclear fuel aged for ...

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