Supporting Technical Assessments

Waihi North Project Preliminary Site Investigation (Ground Contamination) Williamson Water & Land Advisory Limited Photograph date (source) Activities Aerial image 1991 Retrolens (SN9124 C/31) The structures within the western half of the site have been removed and a tailings storage pond for the Waihi (Martha) mine now occupy this area. Earthworks related to the tailings storage pond extend off the property in the north. Again, the majority of the structures have been removed from the eastern half of the site, with only the circled ones remaining. Martha mine pit and the processing plant are observed some distance to the northwest. 1999 Retrolens (SN9124 C/31) All structures have been removed from the site with the tailings storage identified in the 1991 aerial photograph relatively unchanged. Surrounding land remains largely unchanged. 2012-2013 LINZ-Waikato An additional tailing storage ponding and associated earthworks are observed within the eastern half of the site. Surrounding land remains largely unchanged. 2016-2019 LINZ-Waikato The site and surrounding land remain largely unchanged. A.3.2 Council Contamination Records WWLA obtained the LUIR from WRC for 52 Clarke Street in August 2021. The response from WRC is summarised below:

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