| Abstract: | Concentrations of organic contaminants in common productive soils based on the total soil mass give a misleading account of actual contamination effects. This is attributed to the fact that productive soils are essentially water-saturated, with the result that the soil uptake of organic compounds occurs principally by partition into the soil organic matter (SOM). This report illustrates that the soil contamination intensity of a compound is governed by the concentration in the SOM (Com) rather than by the concentration in whole soil (Cs). Supporting data consist of the measured levels and toxicities of many pesticides in soils of widely differing SOM contents and the related levels in in-situ crops that defy explanation by the Cs values. This SOM-based index is timely needed for evaluating the contamination effects of food crops grown in different soils and for establishing a dependable priority ranking for intended remediation of numerous contamination sites. |
| Genre: | Article |
| ProdID: | 70037187 |
| Citation Author: | Hung, H. -W.; Daniel, Sheng, G.; Lin, T. -F.; Su, Y.; Chiou, C. T. |
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| Citation End Page: | 2932 |
| Citation Issue: | 11 |
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| Citation Language: | English |
| Citation Larger Work Title: | Environmental Pollution |
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| Citation Number Of Pages: | 5 |
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| Citation Search Results Text: | The organic contamination level based on the total soil mass is not a proper index of the soil contamination intensity; 2009; Article; Journal; Environmental Pollution; Hung, H. -W.; Daniel, Sheng, G.; Lin, T. -F.; Su, Y.; Chiou, C. T. |
| Citation Start Page: | 2928 |
| Citation Volume: | 157 |
| Citation Year: | 2009 |
| Type: | citation/reference |
| Text: | The organic contamination level based on the total soil mass is not a proper index of the soil contamination intensity; 2009; Article; Journal; Environmental Pollution; Hung, H. -W.; Daniel, Sheng, G.; Lin, T. -F.; Su, Y.; Chiou, C. T. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1016/j.envpol.2009.07.007 |
| Date Other: | Thu, 1 Jan 2009 00:00 -0600 |
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