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

Glossary of Terms


G

glass
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
group
see Reporting Group
grout
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.