Contract

To treat contaminated ground water on a 3 Hectare site to remove high levels of cyanide, PAH's  ammonical compounds and some Heavy metals to normal water consents.  Whilst Contractor is removing all contaminated material and replacing with 3 metres of infill.

 Process

Pumping commenced 1st week of November 1999 treating 100 - 150 tonnes of highly contaminated ground water per day.  Typical levels of contaminate requiring treatment were: