Geosynthetic Clay Liners (GCLs) will be ruined if ______.

Biological Leachate Treatment normally involves adding air to leachate ponds/tanks to promote an increase in ______.

Groundwater at or near land surface must be protected from leachate resulting from contact with solid waste.

Which of the following does RCRA Subtitle D regulations and requirements for landfill closure not include?

If existing soils are likely to settle, the existing soil makes do not need to be improved.

Leachate collection pipes are required to be ______ or _____ periodically.

Which of the following is not an example of a landfill construction participant?

Active landfills produce less leachate than closed landfills.

Methane and carbon dioxide are both _______.

Landfill gas is used for cooling leachate in warmer climates.