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Enviro Cover System by EPI Environmental Products Inc.


Water Runoff and Leachate Management


Enviro™ Cover is a nonreusable polyethylene film and is an impermeable geosynthetic material without interconnected pores. It therefore does not allow fluids to flow through, forming an excellent continuous fluid barrier at the surface of the working face.

Placement of the Enviro™ Cover using ballast to anchor the overlapping panels creates a compression type seal that can capture 97% of precipitation, encouraging water runoff and preventing infiltration of moisture. The non-removable geosynthetic does not necessitate retrieval before the start of the next day’s operation, providing a continuous effective barrier to facilitate leachate management and to prevent its uncontrolled generation.

As the Enviro™ Cover is mechanically destroyed by subsequent placement of waste and by stress conditions within the landfill, the film becomes perforated, granulated and permeable, which allows leachate and gas to flow freely.  This enhances the proper migration and contact of nutrients, microorganisms, moisture and biodegradable material necessary for waste conversion and production of LFG (landfill gas) - for collection, flaring and/or energy production.

Loss of impermeability through film destruction from further waste placement reduces by stress conditions within the landfill and reduces the risk of sideways fluid migration and side-slope outbreaks or seeps at unintended points, which can all be caused by using low permeability earthen or other compacted materials as the daily cover.


Photos

 

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Alternative Daily Cover Provides Rain Water Impermeable Barrier Protection to the Landfill

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landfill daily cover water barrier landfill daily cover water barrier landfill daily cover water barrier landfill daily cover water barrier landfill daily cover water barrier landfill daily cover water barrier landfill daily cover water barrier landfill daily cover water barrier landfill daily cover water barrier landfill daily cover water barrier alternative daily cover fluid barrier