B-3 – Area 3 - Assessment of Environmental Effects 53 these existing methods to ensure the effects placing overburden in the WUG Access Tunnel does not give rise to adverse effects on human health or the wider environment, including aquatic habitats, surface water quality or ground water; 75 The discharges of overburden and grouting material will not give rise to effects that are inconsistent with the accelerated soil erosion objectives contained in Section 5.1.2, as such discharges are proposed underground and not in areas at risk of accelerated erosion;76 and 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.77 With the above methods in place, it is considered that the outcomes sought by Objective 5.2.2 (and its associated policies) will be achieved. 7.6.1.7 Drilling Objective 3.8.2 seeks that drilling activities be undertaken in a manner that: Is consistent with the objectives in Sections 3.1.2, 5.2.2 and 7.2.2;78 Prevents significant adverse effects from the mixing of previously isolated aquifers;79 Does not result in significant adverse effects from a loss of aquifer pressure/level;80 and Does not result in blow-outs in geothermal wells.81 The above objective is implemented by Policy 1 which manages the effects of drilling (and any associated discharges) in a manner that avoids significant adverse effects on the quality of groundwater, surface water and soils from: Contamination by drilling fluids;82 Contamination of ground water by contaminants in surface water;83 Mixing of previously isolated aquifers;84 75 Objective 5.2.2(a) and (b), Waikato Regional Plan. 76 Objective 5.2.2(d), Section 5.2, Waikato Regional Plan. 77 Objective 5.2.2(e), Section 5.2, Waikato Regional Plan. 78 Objective 3.8.2(a), (b) and (e), Section 3.8, Waikato Regional Plan. 79 Objective 3.8.2(c), Section 3.8, Waikato Regional Plan. 80 Objective 3.8.2(d), Section 3.8, Waikato Regional Plan. 81 Objective 3.8.2(f), Section 3.8, Waikato Regional Plan. 82 Policy 1(a), Section 3.8, Waikato Regional Plan. 83 Policy 1(b), Section 3.8, Waikato Regional Plan. 84 Policy 1(c), Section 3.8, Waikato Regional Plan.
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