Cover system

One or more layers of materials, such as soils, suitable mineral wastes, and geosynthetics (e.g. membranes, geotextiles) superimposed on the surface of a site (sometimes following partial excavation) designed to control migration of contaminants upwards and infiltration of rainfall, etc. downwards, and often to perform other functions such as to sustain vegetation or to provide a platform on which construction can take place.

Authorization Path: 2.4.5.2.15.12