Identification of the Sediment-associated Contaminants in the Illinois River Complex Using Toxicity Identification Evaluation (TIE) PDF Download

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Identification of the Sediment-associated Contaminants in the Illinois River Complex Using Toxicity Identification Evaluation (TIE)

Identification of the Sediment-associated Contaminants in the Illinois River Complex Using Toxicity Identification Evaluation (TIE) PDF Author: W. Tyler Mehler
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 202

Book Description
The difficulty of assessing risk of sediment-associated contaminant mixtures to benthic ecosystems is often attributed to understanding the bioavailable fraction of each contaminant. These issues have led to the development of the toxicity identification evaluation (TIE). Past pore water TIE testing on Illinois River sediments has indicated that ammonia was the primary contaminant. The current study, however, suggests that ammonia is no longer the primary contaminant of concern, but rather non-polar organics, including polycyclic aromatic hydrocarbons, are the primary cause for toxicity in the Illinois River Complex (IRC). The study provides data that could be used in combination with previous work to more accurately characterize the sources and spatial trends of toxicity in Illinois River sediments for future risk assessment and mitigation.
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