Effects of Fluidized Gas Desulfurization (FGD) Gypsum on Non-Target Freshwater and Sediment Dwelling Organisms
| Autor: | F. E. Rhoton, S. L. Greenway, Matthew T. Moore, Jerry L. Farris |
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| Rok vydání: | 2011 |
| Předmět: |
Aquatic Organisms
Geologic Sediments Gypsum Health Toxicology and Mutagenesis Cyprinidae Amendment Fresh Water engineering.material Toxicology Calcium Sulfate Waste Disposal Fluid Chironomidae Animals Ecotoxicology Amphipoda biology Ecology Hyalella azteca Sediment Ceriodaphnia dubia Agriculture General Medicine biology.organism_classification Pollution Flue-gas desulfurization Daphnia Environmental chemistry engineering Environmental science Pimephales promelas Water Pollutants Chemical |
| Zdroj: | Bulletin of Environmental Contamination and Toxicology. 86:480-483 |
| ISSN: | 1432-0800 0007-4861 |
| DOI: | 10.1007/s00128-011-0246-7 |
| Popis: | Fluidized gas desulfurization gypsum is a popular agricultural soil amendment used to increase calcium and sulfur contents, and reduce aluminum toxicity. Due to its surface application in conservation tillage systems and high solubility, the soluble components of gypsum may be transferred with agricultural runoff into receiving waters. The current study measured toxicity of gypsum to Ceriodaphnia dubia, Pimephales promelas, Chironomus dilutus, and Hyalella azteca. Solutions at 2,400 mg gypsum/L (maximum solubility) produced no observable toxicity to C. dubia and P. promelas. Mixtures of a control sediment and gypsum indicated no observed toxicity effects for H. azteca, although effects were noted at 25% dilution for C. dilutus. Data suggest gypsum is not harmful to freshwater organisms at concentrations expected in the agricultural environment. |
| Databáze: | OpenAIRE |
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