1. Pondering the Central Landfill
... that newer regulations were necessary in order to protect the surrounding environment. The most important phase of these new regulations was a provision requiring a liner to be placed beneath the trash heap to protect the soil. This base liner consisted of alternating two-foot layers of soil and clay. On top of those layers there is a sixty-millimeter sheet of impermeable plastic and ... furthermore on top of that plastic is a system of pipes. These pipes serve to collect both the leachate and the noxious gasses which collect beneath ... ...
- Word Count: 1955
- Approx Pages: 8
- Grade Level: High School