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Forskningsartikel2011Vetenskapligt granskad

Mobile passive samplers: Concept for a novel mode of exposure

Allan Ian J, Nilsson Hans, Tjensvoll Ingrid, Bradshaw Clare, Naes Kristoffer

Sammanfattning

Integrative passive sampling with devices such as semipermeable membrane devices generally relies on rigs for month-long static exposures in water. We evaluate here whether mobile exposures of passive samplers can provide reliable estimates of dissolved contaminant concentrations. Mobile exposures were obtained by towing samplers fastened to the end of a benthic trawl net. Significant and reproducible absorption of polycyclic aromatic hydrocarbons during 5 h-long deployments was made possible by high sampling rates resulting from high water turbulences during towing at 1.2-1.5 knots. Sampling rates (72-215 L d(-1)) estimated from the dissipation of performance reference compounds were supported by in situ calibration with samplers exposed for a 30 days in the vicinity of the test site. Higher fluoranthene and pyrene absorption in samplers exposed to the trawling-induced sediment plume could be attributed to desorption from re-suspended sediments. This mode of exposure has the potential to be used in monitoring programmes. (C) 2011 Elsevier Ltd. All rights reserved

Publicerad i

Environmental Pollution
2011, Volym: 159, nummer: 10, sidor: 2393-2397

    Globala målen

    SDG6 Säkerställa tillgången till och en hållbar förvaltning av vatten och sanitet för alla
    SDG14 Bevara och nyttja haven och de marina resurserna på ett hållbart sätt för en hållbar utveckling
    SDG3 Säkerställa hälsosamma liv och främja välbefinnande för alla i alla åldrar

    UKÄ forskningsämne

    Miljö- och naturvårdsvetenskap

    Publikationens identifierare

    DOI: https://doi.org/10.1016/j.envpol.2011.06.039

    Permanent länk till denna sida (URI)

    https://res.slu.se/id/publ/36869