1) A bottom liner is one or more layers of clay or a synthetic flexible membrane.
2)
A)The problem with Clay Liner is often cracked or dislocated.
B)The problems with plastic liner is household chemical will weather the HDPE making it loose and strength.
C)The problem with Composite Liners is all plastic Liners will have leaks.
3)A Leachate collection system is water that gets badly contaminated by contacting wastes. The problem with it is that it seeps to the bottom of a landfill and is collected by a system of pipes.
4)A cover or cap is an umbrella over the landfill to keep water out.
5)Another alternative would be to burn it, but that would pollute the air.
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