What are the basic characteristics of a modern landfil site. List any three and also mention the reasons for their use.

Ans. Characteristics of a modern landfil include:

i. methods to contain leachate such as lining clay or plastic liners.

iii. compaction and covering of the waste to prevent it from being blown by wind.

iv. installation of a landfill gas extraction system to extract the gas for use in generation of power

Modern landfill site is a well-engineered and has managed facilities for the disposal of waste. They prevent the contamination of environment by the contaminants or toxins present in the waste.

The basic characteristics of a modern landfill site include-

(i) Methods to contain leachate such as lining clay or plastic liners.

(ii) Compaction 'and covering of the waste to prevent it from being blown by wind.

(iii) Installation of a landfill gas extraction system to extract the gas for use in generation of power.

The use of modern landfill site should be promoted for the following reasons-

i) The waste prevention by recycling and recovery of waste is stimulated.

ii) A uniform cost for waste disposal is created.

iii) It is environment – friendly and has no negative effect on human health.