\\na.aecomnet.com\lfs\APAC\Christchurch-NZCHC1\Legacy\Projects\605X\60544823\6. Draft Docs\6.1 Reports\Waihi North\App F - PHREEQC Outputs\WNP_App F_PHREEQC_25.05.22.docx Revision 5 – 07-Aug-2020 Prepared for – Anderson Lloyd – Co No.: 5719274 The development modelling values are based on six scenarios. The six scenarios had the following working and closed area ratios: • Scenario 1 – 0.6 (working area): 0.4 (closed area) • Scenario 2 – 0.5 (working area): 0.5 (closed area) • Scenario 3 – 0.4 (working area): 0.6 (closed area) • Scenario 4 – 0.3 (working area): 0.7 (closed area) • Scenario 5 – 0.2 (working area): 0.8 (closed area) • Scenario 6 – 0.1 (working area): 0.9 (closed area) The closure modelling values are based on two scenarios. The two scenarios had the following working and closed area ratios: • Scenario 6 – 0.1 (working area): 0.9 (closed area) • Scenario 7 – 0.001 (working area): 0.999 (closed area) The speciation modelling inputs ran the following steps;- 4. Solution 1 (working area) based on the proportions of Martha and Gladstone waste
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