Evaluating soluble toxicants in contaminated soils

Complex mixtures of water soluble materials from contaminated soils can move into groundwater and surface water by leaching, percolation, and runoff. The authors evaluated the potential toxicity of leachable materials from seven soils. Five soil samples were obtained at designated toxic or hazardous...

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Bibliographic Details
Published in:Water, air, and soil pollution air, and soil pollution, 1988-02, Vol.37 (3), p.293-307
Main Authors: Pratt, J.R. (Virginia Polytechnic Inst., Blacksburg, VA (USA). Dept. of Biology), McCormick, P.V, Pontasch, K.W, Cairns, J
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Biological and medical sciences
CONTAMINACION DEL SUELO
EVALUACION
EVALUATION
Fundamental and applied biological sciences. Psychology
POLLUTION DU SOL
Soil and water pollution
SOIL POLLUTION
Soil science
SOLUBILIDAD
SOLUBILITE
SOLUBILITY
SUBSTANCE TOXIQUE
SUBSTANCIAS TOXICAS
TOXIC SUBSTANCES
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Summary:Complex mixtures of water soluble materials from contaminated soils can move into groundwater and surface water by leaching, percolation, and runoff. The authors evaluated the potential toxicity of leachable materials from seven soils. Five soil samples were obtained at designated toxic or hazardous waste sites, and two additional soils samples were obtained from a coal storage area and from an agricultural field. Acidified tap water (pH 4.5) was used to extract toxic materials from elution columns filled with soil samples. Extracts were used as complex mixtures to conduct acute toxicity tests using Daphnia and chronic effects tests using aquatic microcosms. Three classes of effects were observed. Three soil leachates showed acute and chronic toxicity at less than 3% leachate.
ISSN:0049-6979
1573-2932
DOI:10.1007/BF00192942