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Environmental Assessment

Estimation of Biota Sediment Accumulation Factor (BSAF) from Paired Observations of Chemical Concentrations in Biota and Sediment (External Review Draft)

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Report Information

This report was written in response to a March 2004 request from EPA's Ecological Risk Assessment Forum (ERAF) for information about estimating Biota-Sediment Accumulation Factors (BSAFs). BSAF is a parameter describing bioaccumulation of sediment-associated organic compounds or metals into tissues of ecological receptors. The External Review Draft addressing this request provides information on methodologies to estimate BSAF. It is focused solely on the determination of BSAFs for nonionic organic chemicals and is primarily applicable to fish and high level shellfish, e.g., crabs. The determination of BSAFs for metals is not discussed.

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Michael Kravitz
  • by phone at:   513-569-7740
  • by email at:  kravitz.michael@epa.gov

History/Chronology

Jul 2004An Internal Review Draft was completed.
Mar 2006Internal review was completed and comments were addressed to produce the ERASC BSAF External Review Draft.
Jun 2006A Federal Register Notice was published to solicit public comments on the ERASC BSAF External Review Draft.

Next Steps

The document will be revised in accordance with any public comments from the external review. Then the Final document will be posted shortly thereafter.

Citation

U.S. EPA. Estimation of Biota Sediment Accumulation Factor (BSAF) from Paired Observations of Chemical Concentrations in Biota and Sediment (External Review Draft). U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-06/047, 2006.

Downloads

This download(s) is distributed solely for the purpose of pre-dissemination peer review under applicable information quality guidelines. It has not been formally disseminated by EPA. It does not represent and should not be construed to represent any Agency determination or policy.

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