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Sampling, Sorting, and Characterizing Microplastics in Aquatic Environments with High Suspended Sediment Loads and Large Floating Debris
Published on: July 28, 2018
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Advancing the quality of environmental microplastic research
Kristin A Connors1, Scott D Dyer1, Scott E Belanger1
1Procter & Gamble, Mason Business Center, Mason, Ohio, USA.
Environmental Toxicology and Chemistry
|May 26, 2017
Summary
The environmental hazard of microplastics remains unknown despite increased research. This review assesses microplastic study quality to improve ecotoxicological data reliability for risk assessments.
Area of Science:
- Environmental toxicology
- Ecotoxicology
- Environmental chemistry
Background:
- Microplastic research is rapidly expanding, with numerous studies suggesting potential widespread environmental impacts.
- Despite increased scientific publications and regulatory interest, the actual environmental hazard posed by microplastics is not yet understood.
- Evaluating the quality of existing research is crucial for accurate environmental risk assessment of microplastics.
Purpose of the Study:
- To conduct a comprehensive review of the quality and focus of environmental microplastic research.
- To identify how current methodologies assist or hinder environmental risk assessors.
- To provide guidance for enhancing the reliability and relevance of ecotoxicological studies.
Main Methods:
- Systematic review of environmental microplastic research methodologies.
- Analysis of study quality and focus in relation to risk assessment needs.
- Identification of data gaps and experimental limitations.
Main Results:
- Nine key areas requiring improvement in microplastic ecotoxicological studies were identified.
- Significant data gaps and experimental limitations were highlighted.
- Methodological inconsistencies can impede effective risk assessment.
Conclusions:
- Improving the quality and standardization of microplastic ecotoxicological studies is essential.
- Guidance is provided to enhance the reliability of data for regulatory and environmental assessments.
- Further research is needed to address identified limitations and data gaps for a clearer understanding of microplastic environmental hazards.

