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Abstract
Monitoring the fate of metabolites (of contaminants) provides a further line of evidence that contaminants can be naturally attenuated in soil. Endosulfan diol and endosulfan sulfate, the two major degradation products of the widely used insecticide endosulfan, were aerobically degraded in soil under sterile and non‐sterile conditions. The trial demonstrated that endosulfan diol and endosulfan sulfate are both degraded to CO2, demonstrating that they are not ultimate degradation products of the parent endosulfan compound in soil. Endosulfan diol was transformed to 14CO2 to a greater extent than endosulfan sulfate. Of the originally applied endosulfan diol, 6.5% was mineralized over the 9 week trial under non‐sterile conditions. This was approximately 20 times greater than that for endosulfan sulfate.
Notes
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