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Cyanotoxins in the California Sacramento-San Joaquin Delta: Fixed Station Solid Phase Adsorption Toxin Tracking (SPATT) samplers

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: September 05, 2025 | Last Modified: 20250728
This dataset is comprised of cyanotoxin concentrations in extracts from solid phase adsorption toxin tracking (SPATT) samplers deployed at fixed sampling stations in the Sacramento-San Joaquin Delta, beginning in 2020. SPATT samplers are a form of passive sampler constructed of adsorbent resin beads that concentrate cyanotoxins over time. Cyanotoxin congeners were measured from SPATT extracts within the cyanotoxin classes: microcystins, anatoxins, cylindrospermopsins, saxitoxins, anabaenopeptins, and nodularin. Concentrations were measured using liquid chromatography tandem mass spectrometry (LC-MS/MS), with some samples also measured with enzyme linked immunosorbent assay (ELISA).

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