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Guidance for Using Daily Average Aquatic Concentrations in Ecological Drinking Water Assessments

This memorandum updates the approach EFED uses to calculate acute estimated environmental concentrations (EECs) for ecological assessments and acute estimated drinking water concentrations (EDWCs) for human health assessments in surface water.

Guidance for Using Daily Average Aquatic Concentrations in Ecological Drinking Water Assessments (pdf) (466.31 KB)

Guidance for Using Daily Average Aquatic Concentrations in Ecological Drinking Water Assessments

Pesticide Science and Assessing Pesticide Risks