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Radioactive Waste

Discharge to Sewer/ Airborne Release
State and Federal regulations allow radioactive materials licensees to discharge radioactive materials to sanitary sewer and to the atmosphere by incineration for certain radioisotopes in specific quantities, and concentrations.
 
Decay in Storage
Radioisotopes having short half-lives may be stored at the licensee's facility until the material is no longer detectable.  The material may then be disposed as non radioactive waste as long as all radioactive labels have been removed or made illegible.  This method of disposal is called "Decay in storage".
 
Ocean Burial
Many decades ago, radioactive materials were disposed at off shore locations at sea.  However, the United States signed the London Convention in October 1993. This international agreement, which remains in force until 2018, bans disposing of radioactive materials at sea.
 
Land Burial
Land burial of radioactive materials is authorized only in a licensed low level radioactive waste facility. Although the Code of Virginia authorizes the sitting and licensure of such a facility, there are none in Virginia.
 
Low Level Radioactive Waste
Since a few low level radioactive waste facilities can handle the nation's disposal needs, Congress has authorized the creation of regional low level radioactive compacts for states to join, rather than each state build its own facility.  Until July 1, 2008, the low-level waste facility for the eastern U.S. was located in Barnwell, SC. After this date the South Carolina Legislature closed Barnwell to all states except for those in the Atlantic Interstate Low-Level Radioactive Waste Management Compact (Conneticut, New Jersey and South Carolina).
 
Southeast Low -Level Radioactive Waste Regional Compact
Virginia is a member of the Southeast Low -Level Radioactive Waste Regional Compact.  The Southeast Compact selected North Carolina as the host state for the Compact's waste facility; however, the North Carolina has not completed the licensure of the facility.  Several of the compact member states including Virginia have filed suit with the US Supreme Court on October 9, 2002 to recover $90 million in funds provided to North Carolina to build a waste disposal facility. The Supreme Court has not yet issued an opinion. The Department of Justice has issued a brief for the Court (Original 132) and is accessible at: http://www.usdoj.gov/osg/briefs/2003/1original/132.Original.pet.ami.html

The U.S. Nuclear Regulatory Commission issued a News Release on May 29, 2008 entitled "NRC Updates Guidance to Licensees for Extended Storage of Low-Level Radioactive Waste" http://www.nrc.gov/reading-rm/doc-collections/news/2008/08-103.html
 
For information regarding activities of the Southeast Compact see their web page at: http://www.secompact.org

High Level Radioactive Waste

Radioactive waste that is highly radioactive and have long half life requires additional precautions for disposal and is regulated by the federal government. An example of high level radioactive waste is spent reactor fuel.  Spent reactor fuel originating from US Naval Nuclear reactors or fuel provided to foreign countries under the "Atoms for Peace" Program are returned to the Department of Energy for disposal at its facility in Hanford, WA.

Currently there is no high-level radioactive waste disposal facility for spent commercial nuclear reactor fuel.  Congress has approved the selection of a site located at Yucca Mountain in Nevada. For information on this facility see the following web page: http://www.ocrwm.doe.gov/

Until this facility is opened, all commercial nuclear power stations are required to store their spent fuel at the power station.  Most power stations have limited storage capacity to store spent fuel in fuel storage pools.  The spent fuel generates significant heat after it is removed from the reactor. This is called decay heat and can damage the fuel rod assemblies if the heat is not removed.  So they are typically stored in a pool of water.  Virginia Power pioneered work in the development of storing these spent fuel assemblies in a dry cask.  The large steel casks have fins surrounding the cask to radiate the heat from the casks into the air, in other words the spent fuel is air cooled instead of using a liquid coolant, such as water.  The first dry cask storage facility in the nation is located at Surry Nuclear Power Station.  The North Anna Nuclear Power Station now has one as well.


Radiological Health Program | James Madison Building, 7th Floor | 109 Governor Street,  7th Floor| Richmond, VA  23219 | Telephone (804) 864-8150 | Fax: (804) 864-8155


Last Updated: 10-30-2013

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