Case Study of Petrox® Bioaugmentation to Remediate Pesticides in Ground Water to Part Per Trillion Concentrations

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Courtesy of CL Solutions, LLC

This case study of bioaugmentation demonstrates that Petrox bioaugmentation can achieve the very low remediation goals set for pesticides in ground water – quickly and cost effectively. 

After three injections of Petrox®, the contaminant concentrations were reduced by 99% in less than 9 months. 

Project highlights are: 

  • Source area maximum dieldrin concentrations decreased from 9.8 µg/L to 0.22 µg/L.  Concentrations in other source area monitoring wells decreased from 2.7 µg/L to <0.0047 µg/L and 0.12 µg/L to <0.0023 µg/L.  The dieldrin remediation goal was 0.002 µg/L.

 

  •  Source area maximum heptachlor epoxide concentrations were reduced from 0.70 µg/L to <0.0046 µg/L.  Concentrations in other source area monitoring wells were reduced from 0.030 µg/L to <0.0046 µg/L and 0.68 µg/L to <0.0095 µg/L.  The dieldrin remediation goal was 0.2 µg/L.

 

  • Petrox® bioaugmentation was implemented without disrupting property use and without installing injection points inside buildings. 

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