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61,005 resultsShowing papers similar to Good field practice and hydrogeological knowledge are essential to determine reliable concentrations of microplastics in groundwater
ClearComment on “Spatial distribution of microplastic concentration around landfill sites and its potential risk on groundwater”
This commentary critiques methodological weaknesses in a study of microplastic contamination around landfills, particularly the absence of field blanks and unclear sampling protocols. Rigorous quality assurance is essential for producing reliable microplastic contamination data, especially in environmental monitoring near waste sites.
Comment on the paper “Microplastic contamination of an unconfined groundwater aquifer in Victoria, Australia”
This comment examines methodological problems in a groundwater microplastic study, highlighting that plastic sampling equipment (polyamide ropes, polycarbonate filters) risks contamination, insufficient sample volumes compromise reliability, and Pearson correlation was inappropriately applied without normality testing.
Errors and recommended practices that should be identified to reduce suspected concentrations of microplastics in soil and groundwater: A review
This review analyzed over 185 studies on microplastics in soil and groundwater, identifying widespread methodological errors in sample quantity, quality assurance, identification, and classification, and providing recommendations to improve the reliability of future research in these environments.
Microplastics in Groundwater: Pathways, Occurrence, and Monitoring Challenges
This review provides a comprehensive look at how microplastics make their way into groundwater from surface water, seawater, and soil, and examines the challenges researchers face in detecting and monitoring them. The study found that a lack of standardized sampling and analysis methods makes it difficult to compare findings across different studies. Researchers emphasize the importance of understanding local geological conditions and preventing sample contamination to improve the reliability of groundwater microplastic monitoring.
Occurrence and Sources of Microplastics in groundwater divided by well depth and Hydrogeology in South Korea
Researchers investigated microplastic occurrence in South Korean groundwater stratified by well depth and hydrogeological setting, finding microplastics in wells across all depths and identifying surface connectivity as a key factor controlling contamination levels.
Effects of groundwater sample volume on identified microplastics in groundwater of an agricultural area in Korea
Scientists tested how much groundwater needs to be sampled to get an accurate picture of microplastic contamination in agricultural areas of South Korea. They found that sampling at least 100 liters of groundwater was necessary to reliably detect microplastics, and smaller samples often missed particles entirely. The study highlights that inconsistent sampling methods may be leading to underestimates of groundwater microplastic pollution.
Global status, risk assessment, and knowledge gaps of microplastics in groundwater: A bibliometric analysis
This review analyzed 215 published studies on microplastics in groundwater and found that this area of research is still in its early stages compared to surface water studies. Evidence indicates that microplastic contamination is present in groundwater worldwide, but sampling methods and reported results vary widely. The authors identified significant knowledge gaps in understanding how microplastics move through underground water systems and what risks they may pose to drinking water sources.
Current status of researches on microplastics in groundwater and perspectives
This review examines the current status of microplastic research in groundwater systems internationally, identifying that despite growing attention to microplastics in surface and marine waters, groundwater investigations remain sparse both in South Korea and globally. Researchers diagnosed gaps in monitoring methodology and management frameworks, proposing directions for more effective groundwater microplastic assessment.
Microplastic distribution in monitoring well water in the final landfill area Putri Cempo Surakarta Indonesia
Researchers sampled groundwater from seven monitoring wells around a landfill in Surakarta, Indonesia, finding microplastic concentrations ranging from 320 to 1,960 particles per liter. Polystyrene, polycarbonate, and polypropylene fragments dominated the samples, confirming that landfills are a significant source of microplastic contamination in groundwater that communities depend on for drinking water.
Spatial distribution of microplastic concentration around landfill sites and its potential risk on groundwater
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.
Methods for Studying Microplastic Pollution in Natural Waters: Current State and Recommendations
This methodological review addresses the lack of standardization in how scientists sample, process, and report microplastic contamination in natural waters, which makes it nearly impossible to compare results across studies. It details quality assurance and quality control steps — especially important given how easily tiny plastic particles contaminate samples from the lab environment itself — and provides concrete recommendations for sampling protocols and data reporting. Harmonizing these methods is a critical step toward building a reliable global database of microplastic pollution.
Microplastics in groundwater: evaluation of sampling methods
Researchers evaluated three groundwater sampling methods — peristaltic pump, bladder pump, and stainless-steel bailer — for their potential to introduce microplastic contamination into samples, using laboratory controls with MP-free deionized water and 63 micron sieve concentration to assess each technique's suitability for standardized aquifer monitoring.
Overlooked yet critical pathways for microplastics input to soil and groundwater system: Transport mechanisms and simulation predictions in landfill environments
Researchers systematically investigated how microplastics travel through landfill soils into groundwater, examining the effects of particle density, size, polymer type, temperature, and salinity on transport. The study used column experiments and computational modeling to reveal that landfill conditions create overlooked but critical pathways for microplastic contamination of soil and groundwater systems.
Review of Current Issues and Management Strategies of Microplastics in Groundwater Environments
This review synthesizes current knowledge on microplastic contamination in groundwater, identifying it as a substantially understudied environment compared to surface water and marine systems. The authors describe pathways by which microplastics enter aquifers and discuss management strategies for this largely invisible contamination route.
Microplastics in landfill leachate: Sources, abundance, characteristics, remediation approaches and future perspective
This review examines the sources, abundance, and characteristics of microplastics found in landfill leachate, a difficult-to-treat waste liquid that can carry pollutants into the environment. The authors highlight the urgent need for standardized microplastic analysis methods and more research into cost-effective approaches for removing microplastics from leachate before it reaches waterways.
Comment on “Comparison of Detection Methods of Microplastics in Landfill Mineralized Refuse and Selection of Degradation Degree Indexes”
This correspondence comments on a previous paper about detecting microplastics in landfill sediments, raising methodological concerns about how degradation degree is measured. Scientific discourse on detection methods is important for improving the reliability of microplastic research.
Microplastics in groundwater: a global analysis
Researchers conducted a global groundwater sampling study to characterize microplastic contamination in aquifer systems worldwide, investigating transport mechanisms and fate of particles in anoxic subsurface environments where knowledge gaps remain despite extensive research on surface water systems.
Distribution and characteristics of Microplastics in leachate and underneath soil of two informal landfills
Researchers investigated microplastic distribution in leachate and underlying soils at two informal landfill sites. They found high concentrations of microplastics in both leachate and soil samples, with abundance varying by depth and landfill characteristics. The study indicates that informal landfills are significant sources of microplastic contamination that can leach into surrounding soil and potentially reach groundwater.
Some problems and practicalities in design and interpretation of samples of microplastic waste
This methods paper identifies key problems in the design and interpretation of microplastic waste sampling programs, offering practical suggestions to improve sampling strategies and ensure more reliable and comparable results across studies.
Microplastics Pollution in the Groundwater of Three Land Use Types, Southeastern Hungary
Researchers investigated microplastic pollution in groundwater across three land use types in southeastern Hungary, providing data on the rate and distribution of microplastic contamination in a freshwater resource that has received far less study than surface water bodies.
Research advances of micro/nanoplastics in groundwater: occurrence, environmental impacts and control strategies
This review examines the emerging issue of microplastic and nanoplastic contamination in groundwater systems, covering their sources, distribution patterns, potential environmental risks, and removal strategies. Researchers highlight that the strong heterogeneity and complexity of underground environments make studying microplastic migration particularly challenging. The study identifies significant knowledge gaps in sampling methods and calls for more research into how microplastics move through groundwater aquifers.
Distribution and transport of microplastics in groundwater (Shiraz aquifer, southwest Iran)
Researchers investigated microplastic contamination in groundwater from an alluvial aquifer in a semi-arid region of Iran. They identified microplastics in all sampled wells, with fibers and fragments being the most common shapes and polyethylene the dominant polymer type. The study demonstrates that groundwater, an important source of drinking water, is not immune to microplastic contamination and calls for more research on transport mechanisms in subsurface environments.
Comment on the paper ‘Soil microplastic pollution under different land uses in tropics, southwestern China’
This commentary examines methodological weaknesses in a published study on soil microplastic pollution in tropical China, identifying failures to report sampling equipment, use field blanks, correctly name soil layers, and apply mandatory normality tests before ANOVA analysis. The authors argue these combined errors undermine the reliability of the original findings and highlight the need for standardized protocols in the still-developing field of soil microplastics research.
The Urgent Need to Investigate Microplastic Contamination in Groundwater: Soil and Groundwater Interactions as Key Drivers
This viewpoint paper argued for urgent investigation of microplastic contamination in groundwater, highlighting soil-groundwater interactions as key drivers of subsurface MP transport and emphasizing the gap in current monitoring efforts.