Partitioning of chemicals in aquatic organisms
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Abstract
Human populations have utilized heavy metals and persistent organic pollutants for their physiochemical properties in industrial, agricultural, and consumer goods for decades. Limited knowledge on their persistence and toxicological effects has resulted in organisms being exposed to some of the most problematic compounds ever generated by humans. Although overlap in exposure paradigms exists for historical and emerging contaminants, the different physiochemical properties, sources into the environment, and bioactivity of contaminants of emerging concern (CECs) have highlighted the importance of characterizing their risk to aquatic wildlife under chronic low-dose exposure scenarios. This chapter defines the fundamental terminology associated with characterizing the exposure paradigm in ecological risk assessment. The different sources and fate, routes of exposure, and biotransformation of common contaminants are covered using model chemicals to emphasize important factors that affect their partitioning among different environmental matrices. Finally, this chapter concludes with a discussion about bioaccumulation models and an example of how two similar CECs demonstrate different clearance rates and bioaccumulation potentials in fish.
| Publication type | Book chapter |
|---|---|
| Publication Subtype | Book Chapter |
| Title | Partitioning of chemicals in aquatic organisms |
| DOI | 10.1007/978-3-031-53130-9_8 |
| Year Published | 2024 |
| Language | English |
| Publisher | Springer |
| Contributing office(s) | Upper Midwest Environmental Sciences Center |
| Description | 16 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Monograph |
| Larger Work Title | Aquatic ecotoxicology |
| First page | 115 |
| Last page | 130 |
| Google Analytic Metrics | Metrics page |