B-1 - Area 1, Coromandel Forest Park – Assessment of Environmental Effects 123 contamination by drilling fluids;127 contamination of ground water by contaminants in surface water;128 mixing of previously isolated aquifers;129 loss of aquifer pressure/level;130 disturbance of waahi tapu and other identified sites of significance to tangata whenua as Kaitiaki;131 inappropriate drilling in geothermal systems.132 Consistent with the outcomes sought by Objective 3.8.2: Drilling within Area 1 will not result significant adverse effects on groundwater, surface water or soil quality as a result of the mixing of previously isolated aquifers;133 While dewatering within the WUG will result in some adjustment to the pressure heads in the aquifers located above the WUG, such effects will not result in significant adverse effects on groundwater, surface water or soil quality, as discussed in Section 5.3;134 The grouting techniques proposed within the WUG and WUG Tunnel (including the type of grouting used) is based on existing grouting techniques that have been widely used and tested throughout the mining industry. Significant adverse effects on groundwater, surface water and soil quality are therefore not anticipated as a result of the drilling;135 No surface water will be used to support drilling activities within Area 1;136 OGNZL continues to work with tangata whenua regarding cultural effects and how the Project can best accommodate and provide for their relationship with identified taonga. This is considered further in Section 5 of the Overarching AEE;137 and, 127 Policy 1 (a), Section 3.8, Waikato Regional Plan. 128 Policy 1 (b), Section 3.8, Waikato Regional Plan. 129 Policy 1 (c), Section 3.8, Waikato Regional Plan. 130 Policy 1 (d), Section 3.8, Waikato Regional Plan. 131 Policy 1 (e), Section 3.8, Waikato Regional Plan. 132 Policy 1 (f), Section 3.8, Waikato Regional Plan. 133 Objective 3.8.2(b) and Policy 1(c), Waikato Regional Plan. 134 Objective 3.8.2(c) and Policy 1(d), Section 3.8.2, Waikato Regional Plan. 135 Policy 1(a), Section 3.8.2, Waikato Regional Plan. 136 Policy 1(b), Section 3.8.2, Waikato Regional Plan. 137 Policy 1(e), Section 3.8.2, Waikato Regional Plan.
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