15 Tonkin & Taylor Ltd Wharekirauponga Underground Mine – unplanned detonation air quality assessment Oceana Gold (New Zealand) Limited June 2022 Job No: 1015212.2000 vRev0 The NOX profile was prepared assuming all emitted NO is instantaneously converted to NO2 upon release. This reaction may be limited by the availability of ozone in the atmosphere. The results are presented for the meteorology conditions that produce the highest ground level concentrations. As an unplanned detonation could theoretically occur at any time under any conditions, the likelihood would be that the results will be lower.
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