170 27 The Consent Holder shall undertake “scan monitoring” in both shallow and deep aquifer systems, of water levels, pH, and conductivity in order to establish trends in the monitoring bores installed in accordance with Condition 25. Scan monitoring shall commence 12 months prior to placing PAF material within TSF3 and continue throughout the term of these consents. The results of that monitoring shall be forwarded to Waikato Regional Council at quarterly intervals. 28 The Consent Holder shall set trigger levels for pH, conductivity and water levels for down gradient bores based on the trends observed in the monitoring data at levels which will provide early warning indicator of potential changes of groundwater quality as a result of the activities authorised by this consent. 29 At any time following completion of baseline monitoring, if monitoring results within the monitoring bores differs from the relevant trigger level for that bore over two consecutive readings then the Consent Holder shall: a. Characterise and assess the source of the change; and b. Take all necessary measures to ensure that General Condition G33 is complied with. The trend and actions taken shall be detailed in the annual report to the Waikato Regional Council. TSF3 Monitoring and Management Plan 30 At least one month prior to the exercise of this consent the Consent Holder must submit to the Waikato Regional Council a TSF3 Monitoring and Management Plan for certification that it: a. Includes triggers, actions, methods and monitoring programmes designed to achieve the objective in Condition 31; and b. As a minimum meets the information requirements in and gives effect to the matters set out in Condition 32. The Consent Holder may comply with Conditions 30 - 34 by incorporating the TSF3 Monitoring and Management Plan into an overarching monitoring and management plan which covers the Consent Holders various rock and tailings storage facilities. 31 The objective of the TSF3 Monitoring and Management Plan is to monitor and assess the effects of TSF3 on the land, ground and groundwater resources and to trigger the implementation of contingency measures where necessary to ensure the conditions of this consent are achieved. 32 The TSF3 Monitoring and Management Plan must include at least the following:
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