Evaluation of short-term mussel test for estimating toxicity
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Abstract
Effect concentrations of ammonia, nickel, sodium chloride, and potassium chloride from short-term 7-day tests were compared to those from standard chronic 28-day toxicity tests with juvenile mussels (fatmucket, Lampsilis siliquoidea) to evaluate the sensitivities of the 7-day tests. The effect concentrations for nickel (59 µg Ni/L), chloride (316–519 mg Cl/L, a range from multiple tests), and potassium (15 mg K/L) obtained from the 7-day tests were within a range of effect concentrations for each corresponding chemical in the 28-day tests (41–91 µg Ni/L, 251–>676 mg Cl/L, 15–23 mg K/L), whereas the 7-day ammonia effect concentration (0.40 mg/L total ammonia nitrogen; TAN) was up to 3.3-fold greater than the 28-day effect concentrations (0.12–0.36 mg TAN/L) but with overlapped 95% confidence limits. These results indicate that the 7-day tests produced similar estimates compared to the 28-day tests. Further studies are needed to evaluate the 7-day test sensitivity using additional chemicals with different modes of toxic action. Environ Toxicol Chem 2024;00:1–6. Published 2024. This article is a U.S. Government work and is in the public domain in the USA.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Evaluation of short-term mussel test for estimating toxicity |
| Series title | Environmental Toxicology and Chemistry |
| DOI | 10.1002/etc.5935 |
| Edition | Online First |
| Year Published | 2024 |
| Language | English |
| Publisher | Society of Environmental Toxicology and Chemistry |
| Contributing office(s) | Columbia Environmental Research Center |
| Google Analytic Metrics | Metrics page |