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Evolving Geosynthetic Clay Liners and Coal Ash


Geosynthetic clay liners (GCL) have long been proven to effectively contain and store municipal solid waste (MSW) while helping maximize space due to their thickness (less than 1 cm), but some experts have taken a closer look at how they perform with special wastes as more operators take in different materials including coal ash. Mixing coal combustion residuals (CCR) with MSW has raised concerns, especially around leachate compatibility.
Some states established their own programs to address potential issues in advance of federal mandates around coal ash disposal that were promulgated in 2015 [a rule that continues to evolve].  But many jurisdictions are dealing with liner design issues around ash for the first time. An SCS engineer, a researcher at George Mason University in Virginia, and a rep from GCL liner manufacturer CETCO lend expertise around technical considerations for MSW landfill operators thinking of managing CCR. ....

United States , Eric Nelson , Tom Hauck , George Mason University , Environmental Research Education Foundation , Kuo Tian , ஒன்றுபட்டது மாநிலங்களில் , எரிக் நெல்சன் , டோம் ஹக் , ஜார்ஜ் கொத்தனார் பல்கலைக்கழகம் , சுற்றுச்சூழல் ஆராய்ச்சி கல்வி அடித்தளம் , குவோ டியாந் ,