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Biota-Sediment Accumulation Factor Data

Published by U.S. EPA Office of Research & Development (ORD) | U.S. Environmental Protection Agency | Metadata Last Checked: January 27, 2026 | Last Modified: 2014-01-01T00:00:00.000+00:00
The Biota-Sediment Accumulation Factor contains approximately 20,000 biota-sediment accumulation factors (BSAFs) from 20 locations (mostly Superfund sites) for nonionic organic chemicals and pesticides. Fresh, tidal, and marine ecosystems are included in the data.

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