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