soil toxicity test Articles
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Bioassays used for Detection of Ecotoxicity at Contaminated Areas
Abstract : Ten bioassays were used for the evaluation of acute, (sub)chronic toxicity and genotoxicity of an unknown soil from a military base and six model soils that were contaminated at former military bases with the major pollutants : kerosene, petroleum and used motor oil. The test species represented algae and higher plants, invertebrates and bacteria. The ability to detect toxicants in ...
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A highly efficient non‐chemical method for isolating live nematodes (Caenorhabditis elegans) from soil during toxicity assays
The success of soil toxicity tests using Caenorhabditis elegans may depend in large part on recovering the organisms from the soil. However, it can be difficult to learn the ISO/ASTM recovery process that uses the colloidal silica flotation method. The present study determined that a soil‐agar isolation method provides a highly efficient and less technically demanding alternative to the ...
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Quantitative risk assessment for contaminated sites in Spain
Environmental Quantitative Risk Assessment is one of the key factors in the Decision Making Process for contaminated sites. Numerous decisions have to be made before, during and after conducting a quantitative risk assessment.Risk assessment is based on the information gathered previously: Historical information (Phase I) Site characterization (Phase II) Toxicological ...
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Evaluation Of Toxic Effects Exhibited By Organic Pollutants Present In Soil
Abstract: Bioassays are widely applied to measure toxic effects of aquatic samples such as surface water and groundwater, leachates and elutriates, as well as sediments, sludges, and soils. Contrary to (eco)toxicity tests, which translate single chemical concentrations into toxic effects (dose-response relationship giving NOEC, EC50, etc.), bioassays are applied to samples from contaminated ...
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