Fate of Endothall in Aquatic Environments

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Hazard assessment of pesticides in aquatic environments requires accurate predictions of persistence and compartmentalization. A strategy for developing confidence in predictive fate models, such as the Exposure Analysis Modeling System (EXAMS) and the Simplified Lake and Stream Analysis model (SLSA), is to test the models using carefully chosen chemicals in semi-controlled and field situations. An objective of this approach would be to isolate the variability in a particular fate process and thereby assess the ability of an algorithm to model the process. For example, endothall, a relatively watersoluble aquatic herbicide, has essentially a sole fate process, biotransformation. Endothall was used ... continued below

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viii, 251 leaves : ill., map

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Reinert, Kevin H. (Kevin Howard) December 1984.

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  • Reinert, Kevin H. (Kevin Howard)

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Description

Hazard assessment of pesticides in aquatic environments requires accurate predictions of persistence and compartmentalization. A strategy for developing confidence in predictive fate models, such as the Exposure Analysis Modeling System (EXAMS) and the Simplified Lake and Stream Analysis model (SLSA), is to test the models using carefully chosen chemicals in semi-controlled and field situations. An objective of this approach would be to isolate the variability in a particular fate process and thereby assess the ability of an algorithm to model the process. For example, endothall, a relatively watersoluble aquatic herbicide, has essentially a sole fate process, biotransformation. Endothall was used to test the predictive capabilities of EXAMS and SLSA and to identify sources of variance in those predictions.

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viii, 251 leaves : ill., map

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UNT Theses and Dissertations

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  • December 1984

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  • Aug. 22, 2014, 6 p.m.

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  • Jan. 19, 2018, 11:53 a.m.

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Reinert, Kevin H. (Kevin Howard). Fate of Endothall in Aquatic Environments, dissertation, December 1984; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc331151/: accessed September 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .