TCE-containing chemicals were disposed in landfills across the country. Heavy clay soils and tightly confined groundwater aquifers at the scene of the contamination plume don't lend themselves to injections of liquid-based permanganate, a chemical compound that oxidizes TCE, turning it into harmless chloride and carbon dioxide.
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January 21, 2011--Chemical oxidant candles used to clean up groundwater contamination (Fence Post)
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