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Landfill Cap System
Control Valve
Cover Vegetation
Top Soil
Daily or Intermediate Cover
Protective Cover Soil
Soil
Gravel
Seal
Waste
Waste
Cap
CompactedClay
Typical Landfill Gas Extraction Well
Gas extraction wells are used to collect gas that is generated as the waste decomposes. The gas is used to produce energy or is sent to a flare.
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