Site-specific Assessments of Environmental Effects

B-3 – Area 3 - Assessment of Environmental Effects 58 Minimise the risks of adverse effects to the environment and the community associated with the storage of hazardous substances;111 and Minimise the risk of adverse effects on the environment and community from contaminated land and the disposal of hazardous substances.112 A low volume of hazardous substances will be stored and used during the construction of the WUG Access Tunnel. These substances will be managed in accordance with the existing controls that apply to the storage and use of hazardous substances by OGNZL as part of its existing operations in Waihi. The hazardous substances will be delivered to the tunnel face via the Willows Road or Favona Portals. These measures will ensure that any potential risks associated with the use and storage of hazardous substances are minimised. 7.6.2.5 Overall Conclusion Based on the analysis in the sub-sections above, it is considered that the activities associated with Project WNP will be managed such that the project is not contrary to the relevant objectives and policies of the Hauraki District Plan. 7.7 OTHER MATTERS The Whaia te Mahere Taiao a Hauraki (“Hauraki Iwi Environmental Plan”) is considered relevant and notes the following in relation to mining activities: The extraction of gold, silver and other mineral resources has left long-standing environmental problems in the Hauraki rohe. The disposal of wastewater, chemicals and spoil from the mining process, although much improved, remains an environmental concern to Hauraki iwi; The loss of waahi tapu, including Pukewa; Hauraki iwi seek reduced environmental risk from mining in the Hauraki rohe; and Hauraki iwi seek to enhance their capacity by monitoring mine sites. As already noted, the relationship of iwi with the Wharekirauponga area remains a matter under discussion. OGNZL continues to work with tangata whenua regarding activities occurring within Area 3 and the wider WNP. Through this consultation process, the extent to which the project aligns with the objectives set out in the Hauraki Iwi Environment Plan, will be established. 111 Objective 2, Section 7.7, Hauraki District Plan. 112 Objective 3, Section 7.7, Hauraki District Plan.

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