GHD | Oceana Gold NZ Ltd | 12552081 | Geochemical Assessment Wharekirauponga Underground Mine (WAI985-000-REP-LC-0013) ii Appropriate management of the rock material (both from the Willows Access Tunnel and the WUG Mine) is crucial to limit potential impacts on the surrounding environment and to limit the volume of water requiring treatment. Similar management practises for spoil material that have been successfully employed at OceanaGold’s current Waihi operations are to be utilised at the WRS (e.g., compaction, limestone amendment and seepage/runoff collection).
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