Systematic assessment of data quality and quality assurance/quality control (QA/QC) of current research on microplastics in biosolids and agricultural soils

Ziajahromi, Shima; Leusch, Frederic

doi:10.1016/j.envpol.2021.118629

Cited by 37 publications

(10 citation statements)

References 83 publications

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“…Kooi et al also analyzed size distribution reported by different studies and found a decreasing MP concentration with increasing size and highlighted that overlooking small MPs can easily lead to an analysis bias and underestimation of MP abundance. This emphasizes the importance of using a harmonized methodology in MP research (especially the smallest size cut-off) that allows better comparability between studies …”

Section: Resultsmentioning

confidence: 99%

Microplastics and Tire Wear Particles in Urban Stormwater: Abundance, Characteristics, and Potential Mitigation Strategies

Ziajahromi

Drapper³

et al. 2023

Environ. Sci. Technol.

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Stormwater has been identified as a pathway for microplastics (MPs), including tire wear particles (TWPs), into aquatic habitats. Our knowledge of the abundance of MPs in urban stormwater and potential strategies to control MPs in stormwater is still limited. In this study, stormwater samples were collected from microlitter capture devices (inlet and outlet) during rain events. Sediment samples were collected from the material captured in the device and from the inlet and outlet of a constructed stormwater wetland. MP (>25 μm) concentration in stormwater varied across different locations ranging from 3.8 to 59 MPs/L in raw and 1.8 to 32 MPs/L in treated stormwater, demonstrating a decrease after passage through the device (35–88% removal). TWPs comprised ∼95% of all particles, followed by polypropylene (PP) and poly(ethylene terephthalate) (PET). The concentration of TWPs ranged from 2.5 to 58 TWPs/L and 1450 to 4740 TWPs/kg in stormwater and sediment, respectively. A higher abundance of MPs was found in the sediment at the inlet of the constructed wetland compared to the outlet, indicating a potential role of wetlands in removing MPs from stormwater. These findings suggest that both constructed wetlands and microlitter capture devices can mitigate the transport of MPs from stormwater to the receiving waterways.

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Section: Resultsmentioning

confidence: 99%

Microplastics and Tire Wear Particles in Urban Stormwater: Abundance, Characteristics, and Potential Mitigation Strategies

Ziajahromi

Drapper³

et al. 2023

Environ. Sci. Technol.

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Section: Resultsmentioning

confidence: 99%

“…The sample collection, processing, quantification, and identification techniques used in different studies can bring about significant variations in MP concentrations. 50 This makes it difficult to compare results among studies. In general, MP fibers ranged in size from 67 to 4919 μm, with a mean of 768.63 ± 25.42 μm and a median of 551 μm (Figure 5a).…”

Section: Size Of Amps In Indoor and Outdoor Locationsmentioning

confidence: 99%

Airborne Microplastics in Indoor and Outdoor Environments of a Developing Country in South Asia: Abundance, Distribution, Morphology, and Possible Sources

Perera

Ziajahromi

Nash

et al. 2022

Environ. Sci. Technol.

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Airborne microplastics (AMPs) have been reported in indoor and outdoor air in high-income countries and are expected to be a significant contributor to daily microplastic (MP) exposure for human beings. To date, there are only a handful of studies in lower-middle-income countries. In this study, AMPs from 5000 to 50 μm were sampled across selected areas of Sri Lanka using an active sampling technique. Suspected AMPs were further characterized using Fourier transform infrared spectroscopy. MP concentrations were higher indoors compared to outdoor air (0.13−0.93, compared to 0.00−0.23 particles/m 3 , respectively). The types of indoor MPs were related to indoor-generating sources, and the occupant's lifestyles. The highest outdoor MP abundance was found near an industrial zone, followed by urban and inland locations in high-density areas. The dominant size range of MPs was 100−300 μm, and the only shapes observed indoors and outdoors were fibers (98%) and fragments. Polyethylene terephthalate was the most prominent MP type, followed by polyester, indicating that textile fibers could be the major source of these AMPs. This study provides the first report on AMPs in Sri Lanka. Considering population growth and industrialization, further research should evaluate possible trends and health risks upon inhalation.

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“…When analysing MPs in sludge (and soils) samples, the moisture and OM content in the initial samples obtained by drying at 105 °C and loss on ignition (LOI) are usually reported (Ziajahromi & Leusch, 2022). Normally, 0.5 -1 kg of sludge is collected as a bulk sample, possibly in stainless steel, glass or other nonplastic containers, and kept covered, in the dark, divided into subsamples needed for statistical analysis and refrigerated at 4°C (or -20 °C) until further analysis (Mahon et al, 2017).…”

Section: Samplingmentioning

confidence: 99%

Fundamental steps and considerations in the analysis of micro- and nanoplastics in wastewaters, sludges, and comparable matrices

Cavazzoli

Ferrentino

Scopetani

et al. 2023

Preprint

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Micro- and nanoplastics contamination in the environment is a widely recognized problem since these particles have been found in various natural environments and in different foods and beverages. Additionally, these micro- and nanoplastics can act as carriers of harmful organic and inorganic contaminants and pathogens, potentially posing risks to human and ecosystem health. To evaluate the risks posed by plastic pollution, the scientific community must establish standardized methods for quantifying and monitoring the presence and movement of micro- and nanoplastics in the environment. This review discusses the strengths and limitations of commonly used methods for studying these particles in wastewaters, sludges, and similar environmental samples, as well as suggesting potential solutions to address any shortcomings. The final section delves into the chemicals and pathogens linked to plastic particles, and the techniques used to analyse them.

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Systematic assessment of data quality and quality assurance/quality control (QA/QC) of current research on microplastics in biosolids and agricultural soils

Cited by 37 publications

References 83 publications

Microplastics and Tire Wear Particles in Urban Stormwater: Abundance, Characteristics, and Potential Mitigation Strategies

Microplastics and Tire Wear Particles in Urban Stormwater: Abundance, Characteristics, and Potential Mitigation Strategies

Airborne Microplastics in Indoor and Outdoor Environments of a Developing Country in South Asia: Abundance, Distribution, Morphology, and Possible Sources

Fundamental steps and considerations in the analysis of micro- and nanoplastics in wastewaters, sludges, and comparable matrices

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