Groundwater remediation using chemical oxidation & enhanced biodegradation

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Light non-aqueous phase liquid impacts and associated dissolved phase hydrocarbon (mainly benzene) were present at the site as well as up to 200m off-site underneath neighbouring residences.

Based on a comprehensive technology review, GHD nominated and implemented in situ chemical oxidation (ISCO) based on high-pH activated persulphate (HAPS) to remediate the plume. The remediation was successful and the site was deemed to be cleaned up to the extent practicable.

Contamination Assessment & Remediation




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