geosynthetica has invited our geomembrane manufacturers to respond to the following article found in the Des Moines Register. The commentary writer (from an engineering firm) writes: “Synthetic flexible-membrane liners are not water-tight, as the editorial stated. Manufacturing standards allow pinholes, and sheets must be welded together, providing potential avenues for leaks. The EPA recognizes these inherent flaws.” Maybe you would care to comment or write a letter to the editor, as well?

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