Case studies report evaluating relationship of whole effluent toxicity to biological impacts in a freshwater system.
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Effluent and Ambient Toxicity Testing and Instream Community Response on the Ottawa River, Lima, Ohio (PDF)(89 pp, 6 MB)
- Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact on Five Mile Creek, Birmingham, Alabama (PDF)(106 pp, 7 MB)
- Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Back River, Baltimore Harbor, Maryland (PDF)(89 pp, 5 MB)
- Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Kanawha River, Charleston, West Virginia (PDF)(61 pp, 3 MB)
- Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Naugatuck River, Waterbury, Connecticut (PDF)(116 pp, 8 MB)
- Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Ohio River, Near Wheeling, West Virginia (PDF)(57 pp, 3 MB)
- Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Scippo Creek, Circleville, Ohio (PDF)(88 pp, 4 MB)
- Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Skeleton Creek, Enic, Oklahoma (PDF)(51 pp, 3 MB)