... Response, Catalog ofStandard Toxicity Tests for Ecological Risk Assessment, EPA 540-F-9 4-0 13, US Environmental Protection Agency,Washington, DC, 1994a.ß 20 06 by Taylor & Francis Group, LLC.While ... toxicity study performed as part of the Clinch River Ecological Risk Assessment (Halbrook et al. 1999a) required more than 2000 kg of contam-inated fish to maintain 50 mink for 6. 5 months. In addition, ... of Emergency and Remedial Response, Catalog of Standard Toxicity Tests for Ecological Risk Assessment, EPA 540-F-9 4-0 13, US Environmental Protection Agency, Washington, DC, 1994a.With permission.aFW...