- Treatment and washing of various sands; natural, crushed, glass, foundry etc,
- All types of quarry waste including cohesive silty materials,
- Crushing of scalpings to produce manufactured sand,
- Tailings with a considerable presence of fine particles and with a variable composition of minerals, which could limit the direct application of those wastes,
- Recycling quarry waste will also lead to preventation of potential impacts, such as;
Visual Intrusion : Quarry waste stockpiles can be a significant visual intrusion,
Water : Run-off from quarry waste stockpiles can cause erosion and contaminate local watercourses,
Dust : Large quarry waste stockpiles can be a source of airborne dust,