Source tracking microplastics in the freshwater environment

N. L. Fahrenfeld, Georgia Arbuckle-Keil, Nasrin Naderi Beni, Shannon L Bartelt-Hunt

Research output: Contribution to journalReview article

9 Citations (Scopus)

Abstract

Plastics are a frequently observed component of marine debris and there is growing concern about microplastic (MP) ecotoxicity, and the impacts of additives, sorbed hazardous organic contaminants, heavy metals, and biofilm on MP surfaces. The relative importance of MP from different terrestrial and freshwater sources is poorly understood and limits our ability to develop best management practices. This review focuses on evidence and methods for source apportionment of MP in freshwater environments including the use of MP characteristics, mass balance techniques, and surface characteristics. Within-study data indicated some potential for differences in polymer identity and morphology for differentiating select sources, but clear cross-study patterns were lacking. Major challenges identified include technical challenges in accurately identifying polymers, multiple classification schemes for reported MP morphologies, lack of data for several terrestrial sources, poor understanding of differential fate/transport/weathering processes for MP and surface contaminants, and methodological difficulties simultaneously confirming polymers and surface contaminants.

Original languageEnglish (US)
Pages (from-to)248-254
Number of pages7
JournalTrAC - Trends in Analytical Chemistry
Volume112
DOIs
StatePublished - Mar 2019

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Polymers
Impurities
Biofilms
Weathering
Heavy Metals
Debris
Plastics

Keywords

  • Freshwater
  • Land use
  • Mass balance
  • Morphology
  • Polymer composition
  • Sorption
  • Source apportionment

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy

Cite this

Source tracking microplastics in the freshwater environment. / Fahrenfeld, N. L.; Arbuckle-Keil, Georgia; Naderi Beni, Nasrin; Bartelt-Hunt, Shannon L.

In: TrAC - Trends in Analytical Chemistry, Vol. 112, 03.2019, p. 248-254.

Research output: Contribution to journalReview article

Fahrenfeld, N. L. ; Arbuckle-Keil, Georgia ; Naderi Beni, Nasrin ; Bartelt-Hunt, Shannon L. / Source tracking microplastics in the freshwater environment. In: TrAC - Trends in Analytical Chemistry. 2019 ; Vol. 112. pp. 248-254.
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