John Wiley & Sons, Ltd.

Understanding the rates of nonpolar organic chemical accumulation into passive samplers deployed in the environment: Guidance for passive sampler deployments

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Polymeric passive samplers have become a common method for estimating freely‐dissolved concentration in environmental media. However, this approach has not yet been adopted by investigators conducting remedial investigation of contaminated environmental sites. Successful adoption of this sampling methodology relies on relaying an understanding of how passive samplers accumulate chemical mass as well as developing guidance for the design and deployment of passive samplers. Herein, we outline the development of a simple mathematical relationship of the environmental, polymer, and chemical properties that control the uptake rate. This relationship, called a timescale, is then used to illustrate how each property controls the rate of equilibration in samplers deployed in the water or in the sediment. Guidance is also given on how to use the timescales to select an appropriate polymer, deployment time, and suite of performance reference compounds (PRCs). This article is protected by copyright. All rights reserved

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