Remedial Activities
Former Drycleaning Solvent Distribution Center, Memphis The application of an oxidation technology targeting groundwater
within a sand aquifer affected by the historical release of tetrachloroethylene (PCE). A modified fenton?s reagent is used to
activate persulfate, while ZVI acts as a catalyst for the reactions resulting in the destruction of organic compounds such as PCE.
This was the second phase of remediation to have taken place at the site.
Bulk Fuel Facility, Illinois: IET applied sulfate free radical and catalyzed hydroxyl chemistries in February 2010 to shallow
groundwater contaminated with mainly BTEX compounds as a final remediation phase at a fuel storage facility in Illinois. Direct
push points were used to introduce the chemicals to the subsurface.
Former Dry Cleaning facility, Memphis: IET was contracted by a national consulting firm to apply, via DPT, our patented
?Synergistic? approach (United States Patent 7,129,388) to source area soil and groundwater with high CVOC concentrations in
the initial phase of remediation . Three direct push points were conducted inside the facility, while a total13,420 pounds of ZVI
was delivered over the injection intervals.
An Active Gas Station/Rest Area along the PA Turnpike: IET has completed a series of oxidation based injection events, and
following the introduction of additional ZVI in 2009 (in order to adjust the pH by increasing the alkalinity of the groundwater) the
event which took place in March applied enhanced biological attenuation to the groundwater through the introduction of IET?s own
blend of psuedomona bacteria strains specific to the degradation of BTEX compounds along with a blend of calcium peroxide
ortho-phosphate containing nutrient.
Former Coal Lab, Kentucky: IET performed two deep well injections by use of a straddle packer to deliver IET?s patented "Synergistic" approach (United States Patent 6,129,388) to multiple groundwater seams affected by chlorinated solvents.
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