Layers of a landfill

From bottom to top layers:

• Waste
• Leveling layer : Levels the top of the waste dump. Forms a foundation layer for the capping construction.
• Gas conducting layer : Ensures controlled removal of the gas rising to the surface of the dump.
• Impermeable seal : Stops the escape of gas and prevents the influx of (rain) water.
• Drainage layer : Removes excess (rain) water.
• Vegetation layer : Permits formation of an environmentally acceptable surface structure and protects the liner.

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