In addition to manual leak location surveys, an Electrical Leak Imaging and Monitoring (ELIM) system can be permanently installed to monitor for leaks in the landfill liner. The ELIM system uses a series of electrodes placed on top of or underneath the geomembrane liner during liner installation. The electrodes are connected to an instrument panel used to make the electrical measurements. A data acquisition system collects and stores the data. The data is processed using advanced mathematical computer algorithms to calculate and display the positions of the leaks.

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