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Biological and chemical data from attenuated and pulsed exposures of fire chemical to fish

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2022-04-28T00:00:00Z
Survival endpoints for juvenile rainbow trout (Oncorhynchus mykiss) and fathead minnows (Pimephales promelas) in response to exposure to wildland firefighting chemicals. Exposures were either attenuated or pulsed. For attenuated exposures, chemical treatment was applied at the beginning of the exposure and control water was added for the duration of the assay so chemical concentration gradually decreased over time. In pulsed exposures, organisms were exposed to chemical treatments for a set period of time and then moved to chambers without chemical applied. This data set includes data from seven assays and include treatments under various exposure conditions such as different background water hardness, chemical application rates, and test temperatures. Also included are water quality data from all assays.

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