Story

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OVERVIEW

As part of a real estate transaction, our client was committed to restoration a heavy metal plume to below the applicable Standards.

The heavy metals of concern included:

• Cobalt (maximum concentration of 210 μg/L)
• Copper (maximum concentration of 86 μg/L)
• Nickel (maximum concentration of 350 μg/L)

THE VERTEX APPROACH

Sulphate reduction.

Three injections under moderate pressure.

Injection of multiple compounds:

• 600 kg of EHC -M
• Reactive gas

Injections completed using:

• Direct push
• Packer and gas delivery system
• Direct Placement

OUTCOME

Sulphate reducing conditions within 5 days.

Remediation objectives met:

• Copper (within 10 days of injection)
• Cobalt (within 55 days of injection)
• Nickel (within 139 days of injection)

Record of Site Condition Obtained