1) What are bottom liners?
Bottom liners are layers of clay that effectively creates a bathub in the ground.
a) Clay - Natural Clay is often cracked and fractured.
b) Plastic - The very best landfill liners today are made of a tough plastic film called high density polyethylene (HDPE).
c) Composite - A Composite liner is a single liner made of two parts, a plastic liner and compacted soil
3) What is a leachate collection system? Explain one problems with this system.
- If leachate collection pipes clog up and leachate remains in the landfill, fluids can build up in the fluids can build up in the bathtub
4) What is a cover? Explain one problem with using a cover.
- A cover or cap is an umbrella over the landfill to keep water out
5) Considering that Americans produce almost 5 pounds a day (as an individual), what do you think are some alternatives to landfills?
how long is stacking up dump going to last ?
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