Method of in situ blending of soil to reduce concentration of toxic residue in the soil
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United States of America Patent
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Feb 21, 2006
Grant Date -
Nov 11, 2004
app pub date -
Apr 2, 2004
filing date -
Apr 3, 2003
priority date (Note) -
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Abstract
An in situ method of reducing concentrations of contaminates in contaminated soil, where contaminated soil positioned in a first horizontal location is in situ mixed with clean soil in vertical proximity to the contaminated soil. The mixed soil is blended under conditions and for a time sufficient to substantially homogenize the contaminants in the blended soil. The mixing and blending is then repeated for a second horizontal location.
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