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Management of Commercially Generated Radioactive Waste - U.S. ...

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8.11<br />

Transportation: Movement <strong>of</strong> materials between sites. Intra-site movement is not considered.<br />

Includes alternative methods for packaging, handling, and transport <strong>of</strong> waste<br />

materials and plutonium compounds. Concepts include all conventional methods <strong>of</strong> land and<br />

water transport required by the waste management system.<br />

Transuranic (TRU) elements: Elements with atomic number greater than 92. They include,<br />

among others, neptunium, plutonium, americium, and curium.<br />

Transuranic <strong>Waste</strong>: <strong>Waste</strong> material measured or assumed to contain more than a specified concentration<br />

<strong>of</strong> transuranic elements. For purposes <strong>of</strong> this Statement, TRU waste is waste<br />

from locations that might cause contamination levels above 10 nanocuries <strong>of</strong> transuranic<br />

alpha activity per gram <strong>of</strong> waste.<br />

Treatment: Operations intended to benefit safety or economy by changing the waste<br />

characteristics.<br />

Ultramafic: Pertaining to igneous rocks composed chiefly <strong>of</strong> ferromagnesian dark minerals.<br />

Uplift: A structurally high area in the crust, produced by movements that raise or upthrust<br />

the rocks, as in a dome or arch.<br />

Vital Areas: The code <strong>of</strong> Federal Regulations (10 CFR 73), defines equipment items, systems,<br />

devices, and materials whose failure, destruction or release could directly endanger the<br />

public health and safety by exposure to radiation defined as "vital". Areas containing<br />

such items or materials (e.g., spent fuel or high-level waste) are defined as "vital"<br />

areas and subject to special protection measures.<br />

<strong>Waste</strong> Immobilization: Process <strong>of</strong> converting waste to a stable, solid and relatively insoluble<br />

form.<br />

<strong>Waste</strong> Isolation Pilot Plant (WIPP): A Defense repository proposed for a site in Southeastern<br />

New Mexico.<br />

<strong>Waste</strong> <strong>Management</strong>: The planning, execution and surveillance <strong>of</strong> essential functions related<br />

to the control <strong>of</strong> radioactive (and nonradioactive) waste, including treatment, transportation,<br />

storage, surveillance, and isolation.<br />

Water Table: The upper surface <strong>of</strong> the zone <strong>of</strong> water saturation in the subsurface, at which<br />

the pressure is equal to atmospheric pressure; the upper surface <strong>of</strong> an unconfined aquifer.<br />

*USGPO: 1982- 559-099/5338

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