EPA Developing Methods for Measuring Total Microcystins in Fish Tissue

Posted November 12 2018

EPA is developing methods for measuring total microcystins in fish tissue using the 2-methoxy-3-methyl-4phenylbutyric acid (MMPB) derivatization procedure using LC/MS/MS. Existing fillet and whole fish homogenates were spiked with three congeners of microcystins both individually and as mixtures. For more information on this effort, contact Jim Lazorchak at Lazorchak.Jim@epa.gov or Toby Sanan at Sanan.Toby@epa.gov.

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