Enhanced Bioremediation Amendments with IXPER® case study


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1. Use of an oleophilic nutrient in combination with IXPER 75C, a chemical oxyen source resulted in subsurface hydrocarbon reduction at this site.

2. The multiple slurry applications did not impact the downgradient stream from either the hydro carbon or slurry constituent residuals.

3. A rule of thumb approach provided sufficient support to the indigenous microorganisms to enhance the rate of hydrocarbon disappearance in this application.

4. The TEA compounds infused increased the number of indigenous. To date, BTEX concentrations in ground water samples collected from downgradient well MW 10 have not rebounded aboye detection levels.

5. Future situations that require “polishing” of the site to meet regulatory criteria such as this can benefit from a similar approach using an estimate of TEA needs to achieve results. A strong under standing of sit gology and lab studis built into the project costs can optimize TEA section, application rates and volumes to enhance the probability of success.

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