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SWANA National Gas Management Gold Award

IESI Timber Ridge Landfill

SWANA National Gas Management Gold Award - Timber Ridge Landfill Closure
SWANA National Gas Management Gold Award – Timber Ridge Landfill Closure

In December 2010, the ClosureTurfTM Surficial Gas Collection and Cap System was installed on approximately 10 acres of the IESI Timber Ridge Landfill in Richwoods, Missouri. The new system enabled Timber Ridge to integrate two distinct components of landfill operations – closure and GCCS – into one streamlined, cost effective approach that significantly reduces environmental impact. ClosureTurfTM has significantly improved membrane protection, accessibility, wind resistance and aesthetics when compared to Exposed Geomembrane Cover Systems (EGCS). Some regulators and owners have referred to ClosureTurfTM as a hybrid system providing long-term membrane integrity and accessibility like a soil cap, but with many of the maintenance and erosion protection benefits of an exposed cap.

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