Microplastic occurrence in settled indoor dust in schools

Nematollahi, Mohammad Javad; Zarei, Fatemeh; Keshavarzi, Behnam; Zareị, Mehdi; Moore, Farid; Busquets, Rosa; Kelly, Frank J.

doi:10.1016/j.scitotenv.2021.150984

Cited by 68 publications

(39 citation statements)

References 75 publications

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“…Soil sample impurities such as leaves were removed with tweezers. In this study, the experimental methods presented in Nematollahi et al (2021b) were used. Briefly, 200 g of soil samples were weighed, passed through a 5-mm metal sieve, and stored in glass beakers covered with aluminum foil.…”

Section: Sampling Sample Treatment and Experimental Analysesmentioning

confidence: 99%

Microplastic occurrence in urban and industrial soils of Ahvaz metropolis: A city with a sustained record of air pollution

Nematollahi

Keshavarzi

Mohit

et al. 2022

Science of The Total Environment

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Section: Sampling Sample Treatment and Experimental Analysesmentioning

confidence: 99%

Microplastic occurrence in urban and industrial soils of Ahvaz metropolis: A city with a sustained record of air pollution

Nematollahi

Keshavarzi

Mohit

et al. 2022

Science of The Total Environment

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“…To quantitatively address the presence or potential presence of microplastics in the indoor environment, previously reported methods of sampling house dust, classification, and compositional analysis were studied. [21][22][23][24][25][26] Based on a thorough literature review, a protocol for the sampling and analysis of indoor microplastics was developed, as shown in Figure 1. This protocol was considered to ensure reproducibility and was finalized through an exploratory case study based on four residential houses in Kanto, Japan.…”

Section: Methodsmentioning

confidence: 99%

“…The points to be addressed include the definitions of indoor microplastics, qualitative and quantitative measurement methods, and universal assessment procedures. To quantitatively address the presence or potential presence of microplastics in the indoor environment, previously reported methods of sampling house dust, classification, and compositional analysis were studied 21–26 . Based on a thorough literature review, a protocol for the sampling and analysis of indoor microplastics was developed, as shown in Figure 1.…”

Section: Methodsmentioning

confidence: 99%

“…The first review on fibers, microbeads, and microplastics in indoor environments was published by French researchers in 2015 5 . Since then, field surveys of settled microplastics and airborne microplastics have been reported in various countries 6–15 . Although the number of studies on the concentration and type of microplastics in indoor environments has increased, the sampling and analysis methods are not unified, and the number of studies is still limited.…”

Section: Introductionmentioning

confidence: 99%

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Microplastics/microfibers in settled indoor house dust—exploratory case study for 10 residential houses in the Kanto area of Japan

Eunsu

Tanaka²,

Yuan

et al. 2022

Japan Architectural Review

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Although microplastic (size ≤5 mm) pollution in marine ecosystems has received global attention, the presence of microplastics and microfibers in indoor environments is also a major concern. Compared to the available field survey data on microplastics in the ocean, such information remains limited for indoor environments. Microplastics in indoor environments may act as adsorbents for chemical compounds, which may result in multiple adverse health effects on residents. Establishment of reproducible sampling and analysis methods aiding comprehensive field measurements of indoor microplastics in Japan is required. This study conducted the first field survey of indoor microplastics in settled dust in 10 residential houses in the Kanto area of Japan and explored their composition and morphology. Micro‐Fourier transform infrared (μ‐FT‐IR) spectrophotometry and laser direct infrared (LDIR) analysis were used for the qualitative analysis of microplastics. The μ‐FT‐IR and LDIR analyses revealed the presence of large quantities of microplastics in the settled dust. The samples were composed of cellulose, polyethylene terephthalate, polyethylene, alkyd resins, polysulfone, polyvinyl alcohol, and polyamides. The μ‐FT‐IR and LDIR analyses were suitable for identifying large fibrous materials and small particles, respectively. Thus, the two methods are complementary for the comprehensive identification of microplastic composition in settled dust.

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“…Plastic dust is released from a number of activities including plastic manufacturing facilities, incineration of plastic wastes, traffic emissions, weathering of roads and streets, and urban mining activities [41,42]. Airborne dust is carried by wind and can settle in indoor settings including schools and houses [43,44]. In houses, airborne microplastic comes from plastic items used in household items including food packaging, plastic wear, and plastic furnishings [45].…”

Section: Airborne Dustmentioning

confidence: 99%

Microplastics in the Marine Environment: A Review of Their Sources, Formation, Fate, and Ecotoxicological Impact

Haque¹,

Fan²

2023

Environmental Sciences

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Global plastic production is on the rise, and improper plastic management leads to the disposal of plastic in the environment, wherein it enters the environment, after degradation, as microplastics (size < 5 mm) and nanoplastics (size < 1 μm). The most common sink for the microplastics is the marine environment, including the sediment, deep sea, shorelines, and oceans. The objective of this study is to collate the environmental impact assessment of the microplastics in the marine habitat, focusing on the following main elements: (a) source and type of microplastics, specifically leading to the marine sink; (b) degradation pathways; (c) ecotoxicological impact on marine biota, since the smaller-sized microplastics can be digested by the marine biota and cause threats to them; (d) fate of microplastic in the marine environment, including the modes of transport and deposition. This chapter aims to provide a deeper insight into the fate of microplastics once it enters the marine environment, and the information could be a useful reference for the development of microplastic risk management strategies.

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Microplastic occurrence in settled indoor dust in schools

Cited by 68 publications

References 75 publications

Microplastic occurrence in urban and industrial soils of Ahvaz metropolis: A city with a sustained record of air pollution

Microplastic occurrence in urban and industrial soils of Ahvaz metropolis: A city with a sustained record of air pollution

Microplastics/microfibers in settled indoor house dust—exploratory case study for 10 residential houses in the Kanto area of Japan

Microplastics in the Marine Environment: A Review of Their Sources, Formation, Fate, and Ecotoxicological Impact

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