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Microplastic pollution unveiled: the consequences of small unregulated dumping in villages, spanning from soil to water
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Researchers studied microplastic pollution at unregulated village dumpsites in India and found widespread contamination in the surrounding soil and water. The study identified a variety of plastic types and shapes, including fibers, fragments, and films, moving from dump sites into nearby aquatic environments. This matters because informal waste disposal in rural areas is a largely overlooked source of microplastic pollution that can affect local water quality.
Microplastic contamination in soil ecosystems is a major environmental concern in the world. The current study aims to explore the extent of microplastic pollution in unregulated village dumpsites in India, focusing on the movement of these pollutants from soil to aquatic environments. Soil samples from eight distinct sites (A to H) in six villages were analyzed for various properties, including pH, bulk density, porosity, water retention capacity, hydraulic conductivity, and particle size distribution. The attenuated total reflection-Fourier-transform infrared spectroscopy (ATR-FTIR) method was used to identify prevalent plastic types. The research classifies microplastics by their shape and color, identifying a wide range of particles such as sheets, fibers, foams, fragments, and films. The study also examines the presence and concentration of microplastics in both soil and sediment samples. It was found that PE and PP microplastics are significantly present across different size fractions. Sample A contains a variety of items in the 1-5 mm size range, mainly PE, while the 0.3-1 mm fraction is largely PP. Samples B to H are mostly composed of PE microplastics in different forms. Sample F is unique with a mix of PE, EPS, and a higher amount of red and blue foam particles in the 0.3-1 mm fraction. Microplastics were quantified using stereomicroscopy, revealing concentrations between 80 and 840 numbers per kilogram in soil and 20 to 60 numbers per kilogram in sediments. The findings emphasize the widespread nature of microplastic pollution across ecosystems and the importance of developing effective strategies for monitoring and mitigating their impact on environmental health and human well-being.
More Papers Like This
Microplastic and POP contamination in rural waste-dumping sites, India
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Researchers collected soil and water samples from unregulated waste-dumping sites in rural Tamil Nadu, India, finding microplastics in all samples, with polypropylene and polyethylene as the dominant polymers, raising concerns about contamination of drinking water and agricultural land.
Occurrence, Distribution, and Abundance of Microplastics in the Rohtak Municipal Solid Waste Landfill
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Scientists digging into soil from a landfill in India found it packed with tiny plastic bits—mostly from everyday packaging and household items—many so small and worn down they've likely been breaking apart for years. This matters because these microplastics don't just stay buried: they can seep into surrounding soil and water, potentially entering the food and water we consume, making landfill waste an overlooked source of plastic pollution that deserves more attention in how we manage trash.
Waste dumps as microplastic hotspots: a comparative investigation at urban, suburban, and rural areas of Eastern India and associated risk assessment
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This study measured microplastic contamination at waste dump sites across urban, suburban, and rural areas in Eastern India and found concentrations as high as 3,457 particles per kilogram. High-hazard plastics like PVC and polyurethane were present, and riverside dumps showed especially high ecological risk scores. The findings suggest that waste dumps are significant sources of microplastic pollution that can contaminate nearby water and soil used by local communities.
Exploring the abundance of microplastics in Indian landfill leachate: An analytical study
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Researchers analyzed microplastics in leachate from two major landfills in India and found concentrations of 1,473 to 2,067 particles per liter, with most particles smaller than 100 micrometers. Polyethylene terephthalate, polypropylene, cellulose acetate, and PVC were the most common plastic types identified. Since landfill leachate can seep into groundwater and nearby water bodies, these findings raise concerns about microplastic contamination of drinking water sources near dump sites.
Spatial distribution of microplastic concentration around landfill sites and its potential risk on groundwater
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Researchers found microplastic contamination in groundwater near two municipal waste dump sites in South India, with levels ranging from 2 to 80 particles per liter. Nylon was the most common type found, making up 70% of particles, and the contamination was traced back to degrading buried plastic waste. This is concerning because many communities rely on groundwater for drinking, and these findings show landfills can be a direct source of microplastics in drinking water.
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