Typical Landfill GasExtraction Well

To LFG Energy

Recoveryor Disposal

Facility

Landfill Cap System

Control Valve

Cover Vegetation

Top Soil

Compacted Clay

Daily or Intermediate Cover

Protective Cover Soil

Geomembrane

Gas extraction wells are used to collect gas that is generated as the waste decomposes. The gasis used to produce energy or is sent to a landfill gas disposal facility.

CompactedSoil or Clay

Gravel

Seal

Waste

Waste

Cap

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(Not to scale)