Daily Use Area
Stockpiles of ash for daily cover
Capping system
Refuse
Gas collection well
Stormwater control channel
Leachate collection zone
Protective Cover Enhancement Layer (PCEL)
Protective Cover
Liner System
Leachate to local treatment plant
Refuse
Protective Cover Enhancement Layer (PCEL): 3-5 ft of inert material (ie., foundry sand) to protect liner
18 inches of natural material to protect liner
5 layers (2 impermeable) of material to prevent leachate from impacting groundwater
Grass
2 ft of soil
Impermeable plastic layer to prevent infiltration of rainfall