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Soil Washing Treatability Tests for Pesticide-Contaminated Soil

机译：农药污染土壤的土壤清洗处理性试验

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The 1987 Record of Decision for Sand Creek Operable Unit 5 identified soilwashing as the selected technology to remediate soils contaminated with high levels of organochlorine pesticides, herbicides and metals. To further evaluate the applicability of soil washing at this industrial site, a second more comprehensive pilot-scale treatability test was conducted. Twenty-three experimental runs were conducted over a two week period in late September 1992, using a pilot-scale soil washing device called the Volume Reduction Unit (VRU). Site soils from three depth classifications were used in the study. Results from the pilot-scale treatability test indicated that the VRU could achieve contaminant reduction efficiencies of 97% for heptachlor and >91% for dieldrin in the upper soil layer (surface to 1 ft. depth).

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