Chronic toxicity of 4-nonylphenol to two unionid mussels in water-only exposures
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Abstract
Limited studies indicate that mussels are generally insensitive to organic chemicals; however, these studies were conducted in acute or short-term exposures, and little is known about the chronic sensitivity of mussels to organic chemicals. We evaluated the chronic (28 days) toxicity of 4-nonylphenol (4-NP) to two commonly tested species of mussels: fatmucket (Lampsilis siliquoidea) and rainbow mussel (Villosa iris). By the end of the 28 days chronic exposures, mean survival was ≥93% in all treatments, but the mean dry weight and biomass of mussels at the highest exposure concentrations were significantly reduced relative to the control. The 20% effect concentrations were similar between the two species. When compared to all other tested species, fatmucket and rainbow mussels are among the top four most sensitive species to 4-NP. However, U.S. Environmental Protection Agency chronic water quality criterion of 6.6 μg 4-NP/L should protect the two mussel species.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Chronic toxicity of 4-nonylphenol to two unionid mussels in water-only exposures |
| Series title | Bulletin of Environmental Contamination and Toxicology |
| DOI | 10.1007/s00128-018-2422-5 |
| Volume | 101 |
| Issue | 4 |
| Year Published | 2018 |
| Language | English |
| Publisher | Springer |
| Contributing office(s) | Columbia Environmental Research Center |
| Description | 5 p. |
| First page | 423 |
| Last page | 427 |
| Google Analytic Metrics | Metrics page |