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The potential release of microplastics from paint fragments: Characterizing sources, occurrence and ecological impacts
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This review examines paint fragments as a significant but often overlooked source of microplastic pollution, coming from deteriorating building coatings, road markings, and ship hulls. Beyond the plastic particles themselves, paint fragments can release toxic biocides and heavy metals that harm aquatic and terrestrial organisms. The findings highlight paint as a source of microplastics that people may encounter through water, air, and food, but which receives far less attention than packaging or textile sources.
Paint fragments have become a significant environmental pollutant in our era. These particles pose environmental and health risks, with microplastics (MPs) being a major component. This review critically examines the sources, occurrence, and ecological impacts of paint particles (PPs) on terrestrial and aquatic ecosystems. Land-based paint fragments from disturbed or deteriorating coatings on roads and buildings are carried to the ocean along with MP items through urban runoff, wastewater, and atmospheric deposition. In the ocean, paint fragments mainly originate from boating, shipping activities, and road markings. Beyond the direct effects on biota, biocides, and heavy metals from antifouling paint formulations can be released into the environment, impacting various organisms. Future research should focus on developing solutions to address the contamination of paint-related MPs in the environment. Efficient control of paint-originated MPs should encompass a blend of approaches, such as minimizing emissions via novel paint designs and deploying cutting-edge treatment technologies to intercept released particles.
More Papers Like This
Paint particle pollution in aquatic environments: Current advances and analytical challenges
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This review highlights paint particles as an overlooked but significant source of microplastic pollution in water environments, originating from marine vessels, buildings, and industrial activities. Paint particles carry toxic chemicals including heavy metals and biocides that can leach into water and accumulate in marine organisms, posing risks to both ecosystems and human health through seafood consumption.
Paint - A key source of microplastics to the environment: Fate, effects, and mitigation strategies
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Paint chips and coatings are a major, often overlooked source of tiny plastic particles (microplastics) that wash into our air, water, and soil as they weather and break down over time. This matters because these particles can end up in the food and water we consume, and scientists are still working to understand the health effects of ongoing microplastic exposure. This paper reviews existing research on how paint pollution happens and explores ways to reduce it, such as better product design and disposal practices.
Paint fragments as polluting microplastics: A brief review
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This brief review synthesized current knowledge on paint fragments as a significant but frequently overlooked source of microplastic pollution in the ocean. Paint particles contain diverse polymers including polyurethanes, polyesters, and epoxies, and are often excluded from microplastic audits despite their prevalence in marine environments.
Paint: a ubiquitous yet disregarded piece of the microplastics puzzle
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This review found that microplastics from paint and coatings are a largely overlooked but major source of plastic pollution, with concentrations reaching up to 290,000 particles per kilogram of sediment near painted surfaces. Paint microplastics come from buildings, cars, boats, and industrial infrastructure. Of the toxic effects tested, 66% showed significant harm to organisms, particularly from antifouling paints, yet very few studies have examined this pollution source.
Paint - A key source of microplastics to the environment: Fate, effects, and mitigation strategies
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This paper is part of a research series looking at where tiny plastic particles (microplastics) in our environment come from, with this one focusing on paint as a major source. Paint on buildings, roads, and ships breaks down over time and sheds plastic particles into air, water, and soil, adding to the microplastics we may breathe in, drink, or eat. Understanding paint as a pollution source matters because it can help guide better paint formulas and disposal practices to reduce our overall exposure to these particles.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.