NEWMDB - The IAEA Nuclear Waste Management Database IAEA - International Atomic Energy Agency

Glossary of Terms


an amorphous material with a molecule distribution similar to that of a liquid but with a viscosity so great that its physical properties are those of a solid. Glasses used in the solidification of liquid High Level Waste are generally based on a silicon-oxygen network. Additional network formers such as aluminium, or modifiers such as boron, lead to aluminosilicate or borosilicate glass.
GO button
The GO button is used in conjuction with a list of reporting years to select the current data submission or reports from previous submissions. See the following on line Help Page
Using the GO button
see Reporting Group
a fluid material that is injected into soil, rock, concrete, or waste packages to seal openings and to lower the permeability and/or provide additional structural strength. There are four major types of grouting materials: chemical, cement, clay, and bitumen.