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Benthic Communities and Sediment and Water Toxicity in the Rochester Embayment AOC


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Description of Work The study will be implemented in two phases due to logistical constraints and the need to incorporate methods developed (and findings) from a comparable investigation underway in another AOC. The first phase will consist of site selection, methods refinement, work-plan development, subcontract assembly, site reconnaissance, and sediment collection which will be done mainly during FY2013. The second phase will consist of macroinvertebrate identification, sediment toxicity testing, data analysis and interpretation, and report preparation and review mainly during FY2014. In brief, we will generate bed sediment toxicity and benthic community data needed to test two related hypotheses that address the two criteria for [...]


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The main objective of this study is to determine if the plankton and benthos beneficial uses are currently impaired in parts of the Rochester Embayment AOC. Benthic invertebrate community, sediment toxicity, and water toxicity results will be used specifically to test whether water and bed sediments in the Rochester Embayment AOC meet established criteria for delisting either or both BUIs. Work funded by this template will gather data that will support the removal of Beneficial Use Impairments but will not directly remove them.

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