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Year: 2021
Project manager: clh@akvaplan.niva.no

This project will build on previous work conducted in the FRAM Centre project MARS (2017-19), where contaminants in car tire rubber granulate (CRG), regularly used in artificial turfs and playground foundations, were identified and characterized in relation to their toxicity for planktonic invertebrates when dissolved in leachate. In RUBBERTOX, we will quantify the sublethal toxicity of CRG and tire wear particles (TWPs) and their corresponding leachates for additional marine functional groups representing (i) larger body sizes, (ii) higher organizational complexity, and (iii) different marine habitats. To this end, pelagic vertebrates (lumpsucker fish) and benthic invertebrates (shrimps) will be studied experimentally in the local FISK facility run by APN. Measured endpoints will include (i) the body burden of selected contaminants, including zinc and other heavy metals, benzothiazole and PAHs known to be components of car tire rubber, (ii) ingestion and egestion kinetics, and (iii) growth parameters. In addition, contaminant concentrations in gut tissue, blood and liver will be measured in the vertebrate and related to life cycle traits such as growth. RUBBERTOX will produce valuable and timely knowledge for local and national environmental management and provide input towards international regulation for CRG pollution control, as well as increasing our understanding of the potential impacts of TWPs.

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