Some landfill 'burps' contain airborne PFAS, study finds
Researchers discovered high PFAS levels in landfill gases, emphasizing the risk of environmental contamination. PFAS, found in consumer products, pose health hazards when inhaled. Mitigation strategies and improved treatments are crucial.
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Researchers have found that some landfills release high levels of airborne per- and polyfluoroalkyl substances (PFAS) when gases are vented from decomposing waste. These "forever chemicals" can be transported to the environment through gases and liquid by-products. PFAS are present in various consumer products and waste that end up in landfills. The study conducted in Florida identified significant levels of PFAS, including fluorotelomer alcohols, in landfill gases. These chemicals, when inhaled, can be toxic and travel long distances. The researchers also found that the amount of PFAS released through gas emissions could be comparable to that released through leachates. This discovery highlights the need to consider landfill gas emissions in mitigation strategies to reduce exposure and environmental release of PFAS. Further research is recommended to understand the effectiveness of current treatments in removing airborne contaminants from landfill gases.
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