Chapter 8 Tool for monitoring hydrophilic contaminants in water: polar organic chemical integrative sampler (POCIS)
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Abstract
The development of the polar organic chemical integrative sampler (POCIS) provides environmental scientists and policy makers a tool for assessing the presence and potential impacts of the hydrophilic component of these organic contaminants. The POCIS provides a means for determining the time-weighted average (TWA) concentrations of targeted chemicals that can be used in risk assessments to determine the biological impact of hydrophilic organic compounds (HpOCs) on the health of the impacted ecosystem. Field studies have shown that the POCIS has advantages over traditional sampling methods in sequestering and concentrating ultra-trace to trace levels of chemicals over time resulting in increased method sensitivity, ability to detect chemicals with a relatively short residence time or variable concentrations in the water, and simplicity in use. POCIS extracts can be tested using bioassays and can be used in organism dosing experiments for determining toxicological significance of the complex mixture of chemicals sampled. The POCIS has been successfully used worldwide under various field conditions ranging from stagnant ponds to shallow creeks to major river systems in both fresh and brackish water.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Chapter 8 Tool for monitoring hydrophilic contaminants in water: polar organic chemical integrative sampler (POCIS) |
| Series title | Comprehensive Analytical Chemistry |
| DOI | 10.1016/S0166-526X(06)48008-9 |
| Volume | 48 |
| Year Published | 2007 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | Columbia Environmental Research Center |
| Description | 27 p. |
| First page | 171 |
| Last page | 197 |
| Google Analytic Metrics | Metrics page |