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Lesson 4: MSW Landfills

HELP Model Study Questions

After reviewing the HELP simulation module, answer the following questions:

1. Sketch the landfill evaluated in Simulation 3 showing layer type, material type, and thickness. Label flow direction and magnitude.

2. Do the flows into and out of the landfill "balance?" Why or why not?

3. Discuss the differences between the HELP model and the simple water balance shown in your text (pages 125-128).

4. Summarize the effect of changing the drainage slope and length on drainage volume and head on the liner.



Page last updated April 2001 by Dr. Reinhart




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