Procedure for Determining Potential Gas Quantities in an Existing Sanitary Landfill

Abstract
The objectives of this paper are: 1) to develop a procedure for determining potential gas quantities in existing landfills, 2) to present a case study based on the developed procedure, and 3) to verify the case study results with field testing. Over the last five years Dynatech R/D Company has been involved in performing feasibility studies to determine potential gas quantities in existing landfills. The data collected during this period has been reduced and plotted. Using the reduced data base, a systematic procedure for determining the extent of decomposition and decay rate coefficients is presented. Finally, the entire procedure for determining gas potential in an existing landfill is performed for a case study. The case study results are verified using field drawdown tests.

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