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  • Järlskog, Ida,1991Statens väg- och transportforskningsinstitut,Miljö, MILJÖ,Chalmers University of Technology (författare)

Occurrence of tire and bitumen wear microplastics on urban streets and in sweepsand and washwater

  • Artikel/kapitelEngelska2020

Förlag, utgivningsår, omfång ...

  • Elsevier BV,2020
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:research.chalmers.se:e05a9b75-8f22-45f4-9b94-a80584b3a5b9
  • https://research.chalmers.se/publication/521002URI
  • https://doi.org/10.1016/j.scitotenv.2020.138950DOI
  • https://research.chalmers.se/publication/517094URI
  • https://research.chalmers.se/publication/516873URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:vti:diva-15284URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ivl:diva-3299URI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:art swepub-publicationtype
  • Ämneskategori:ref swepub-contenttype

Anmärkningar

  • A-rapport, A2501
  • Tire and road wear particles have been identified as a potential major source of microplastics in the environment. However, more knowledge of the emissions and their further fate in the environment is needed, and the effectiveness and benefits of potential measures must be investigated to support future risk management efforts. Here the concentrations of tire and bitumen microplastic particles (TBMP) on roads and in nearby in stormwater, sweepsand and washwater were measured for the first time within the same area and time period. The analysis also included plastic, paint and fiber particles. Road dust was sampled on the road surface using a wet dust sampler, before and after street sweeping on two occasions. On each of these occasions, and several occasions during a four-month period with frequent street sweeping, sweepsand and washwater, as well as flow-weighted sampling of stormwater, were collected. TBMP concentrations were operationally defined, using density separation for some samples, followed by analysis by stereo microscopy. Sodium iodide (NaI) was found to be effective for density separation of TBMP. The largest proportion of anthropogenic microplastics detected consisted of tire tread wear and bitumen. The number of TBMP ≥100 μm in the WDS samples was up to 2561 particles/L. Sweepsand and washwater contained high amounts of TBMP ≥100 μm, up to 2170 particles/kg dw and 4500 particles/L, respectively. The results show that the sweeper collects considerable amounts of TBMP, and thus weekly sweeping might prevent further transport of TBMP to the receiving stormwater. In stormwater the number of particles ≥100 μm was up to 3 particles/L and ≥ 20 μm was up to 5900 particles/L showing the importance of analysing smaller microparticle sizes than 100 μm in all samples in future studies. This study also confirms that there is a substantial volume of TBMP generated from traffic that enters the environment.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Hvitt Strömvall, Ann-Margret,1963Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)annmargr (författare)
  • Magnusson, KerstinIVL Svenska Miljöinstitutet(Swepub:ivl)P010317 (författare)
  • Gustafsson, Mats,1966-Statens väg- och transportforskningsinstitut,Miljö, MILJÖ(Swepub:vti)mats.gustafsson@vti.se (författare)
  • Polukarova, Maria,1992-Statens väg- och transportforskningsinstitut,Miljö, MILJÖ(Swepub:vti)maria.polukarova@vti.se (författare)
  • Galfi, HelenSustainable Waste and Water, City of Gothenburg (författare)
  • Aronsson, MariaUrban Transport Administration, City of Gothenburg (författare)
  • Andersson-Sköld, Yvonne,1957Statens väg- och transportforskningsinstitut,Miljö, MILJÖ(Swepub:vti)yvonne.andersson-skold@vti.se (författare)
  • Statens väg- och transportforskningsinstitutMiljö, MILJÖ (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Science of the Total Environment: Elsevier BV7290048-96971879-1026

Internetlänk

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