GHD | Oceana Gold NZ Ltd | 12552081 | Geochemical Assessment Wharekirauponga Underground Mine (WAI985-000-REP-LC-0013) 20 Figure 12 Cross-sectional View displaying Selenium Concentrations for the EG-Vein (right) and T-Stream (left) Orebodies 4.3 Spoil Acid Generating Potential 4.3.1 Static Testing Similar to the trace and major elements, datasets relating the acid generating potential of the spoil associated with the Willows Access Tunnel and the WUG Mine were assessed to determine whether significant variation exists between the each of the sites. Data for the WUG Mine is combined (both EG-Vein and T-Stream) based on there being no significant observed differences in the datasets between these two areas. Sulphur (S); and Acid Neutralising Capacity (ANC). Figure to Figure 14 show the summarised results show the distribution from highest node to lowest node: maximum / 75%ile / Median / 25%ile / minimum concentrations. Figure 13 Box plot showing the concentration ranges of sulphur in spoil material
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