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Marc S Greenberg, Peter M Chapman, Ian J Allan, Kim A Anderson, Sabine E Apitz, Chris Beegan, Todd S Bridges, Steve S Brown, John G Cargill IV, Megan C McCulloch, Charles A Menzie, James P Shine and Thomas F Parkerton Passive sampling methods for contaminated sediments: Risk assessment and management Integrated Environmental Assessment and Management 10

Version of Record online: 18 FEB 2014 | DOI: 10.1002/ieam.1511

Key Points

  • The freely dissolved concentration (Cfree) of a hydrophobic organic contaminant in sediment is a better predictor of bioavailability than the total concentration in bulk sediment.
  • Passive sampling methods (PSMs) that target Cfree reduce uncertainty in site investigations by characterizing spatial and temporal contaminant trends, source contributions, calibrating models, and improving weight-of-evidence based decision frameworks.
  • PSMs can help delineate sediment management zones, assess remedy effectiveness, and evaluate risk reduction following management action.
  • Cfree can be used to better inform risk management decision making.

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