The Power of Commitment 12552081 7 Table 3 Recommended Analytical Suite for the Leachate Sample Collection – Reduced Suite_ Required Analytes pH Conductivity Acidity (mg CaCO3/L) Alkalinity (mg CaCO3/L) Sulphate Dissolved Arsenic Dissolved Cadmium Dissolved Chromium Dissolved Copper Dissolved Lead Dissolved Nickel Dissolved Zinc *It is recommended that samples are field filtered and are analysed at trace level. Results should be forwarded to GHD upon receipt and will be reviewed in terms of the acid generating. Once the columns are verified as being acid producing (generally based on a measured pH <3 and elevated sulphate) GHD will review and advise on requirements for ongoing monitoring. Regards Carlos Hillman Geochemist
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