SECTION 3 Site Investigations & Results C:\D Data\GWS C Drive\GWS\Client Files\1344 OGL - WKP\4 Deliverables\WKP Final Draft Report\June Report\WAI-985-000-REP-LC-0030. Final_Rev_0.docx 26 Table 6 Groundwater and Surface Water Major Chemistry Data Point pH EC (mS/m) HCO3 (g/m3) Ca (g/m3) Cl (g/m3) Mg (g/m3) K (g/m3) Na (g/m3) SO4 (g/m3) Surface Waters 7.1 8.1 25 4.1 7 2.2 1.13 8.6 5 WKP01S (Pyroclastic) 7.3 93.5 370 121 13 17.2 7.2 69 200 WKP01D (Rhyolite) 6.9 21.8 81 20 14 1.73 9.7 16.9 21 WKP02S(Pyroclastic) 5.9 8.5 16.1 5 9 0.85 4.8 8.7 8 WKP02D (Rhyolite) 6.4 10 44 8.6 8 2.4 5.1 9.6 5 T-Stream Adit 6.1 4.6 5.1 0.36 8 1.01 1.65 5.8 5 T-Stream Shaft 5.2 4.4 4.6 0.46 9 0.59 1.12 5.7 7 EG Warm Spring 7.1 16.2 52 14 8 1.31 6.4 11.6 15 Figure 25 Piper Diagram of Groundwater and surface Water Samples 3.9 Results Discussion The results of the various site investigation undertaken form multiple lines of evidence which, when combined with experience from other deposits within the Coromandel, enable an interpretation of the sites hydrogeological conditions, how it might respond to dewatering and what effects might occur.
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