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Microplastic and nanoplastic concentration in tap water in the US
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This study quantified microplastic and nanoplastic concentrations in US tap water, finding widespread contamination across sampled locations and providing estimates of daily human ingestion through drinking water consumption.
As the production and consumption of disposable plastic products increase, plastic pollution has become a pressing environmental issue and public health concern. After being exposed to solar radiation, mechanical forces, and biological weathering processes in the environment, plastics can be broken down into microplastics ( Also see: https://micro2024.sciencesconf.org/559301/document
More Papers Like This
Microplastic and nanoplastic concentration in tap water in the US
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Researchers analyzed microplastic and nanoplastic concentrations in tap water samples across the United States, detecting particles in the majority of samples and characterizing their size distribution, polymer type, and geographic variation.
Global prevalence of microplastics in tap water systems: Abundance, characteristics, drivers and knowledge gaps
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A global analysis of tap water from 34 countries found that microplastics were present in 87% of over 1,100 samples tested, with particles smaller than 50 micrometers being the most common. When researchers looked for particles as small as 1 micrometer, concentrations were more than 20 times higher than studies that only counted larger particles. This means that most people worldwide are regularly drinking microplastics in their tap water, and the true extent of exposure has likely been underestimated.
Microplastics and nanoplastics contamination in raw and treated water
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Researchers analyzed 189 samples of raw, tap, and bottled drinking water for micro- and nanoplastic contamination. They found plastic particles in every sample tested, with raw water sources containing the highest concentrations and treated tap water containing the lowest, though contamination was never fully eliminated. The study suggests that current water treatment processes reduce but do not completely remove plastic particles from drinking water.
Microplastic Contamination in Drinking Water: A Review
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This review summarized current research on microplastic contamination in drinking water, covering detection methods, occurrence data, and health implications. The authors found microplastics widely present in tap and bottled water worldwide and noted that conventional treatment processes remove them incompletely, raising ongoing concerns about chronic low-level human ingestion.
Polymers of micro- and nanoplastics in household tap water of Barcelona
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Researchers quantified micro- and nanoplastic polymers in the 0.7-20 micrometer size range in household tap water from the public drinking water network of Barcelona, Spain, using a novel workflow designed to capture smaller particle sizes than most previous studies. The cross-sectional study found microplastics present in drinking water at concentrations relevant to human daily exposure assessment.
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