35 Tonkin & Taylor Ltd Hazardous Substances Technical Assessment – Waihi North Project - Storage and use of hazardous substances at Willows Road site and the Wharekirauponga Underground Mine Oceana Gold (New Zealand) Limited June 2022 Job No: 1015212.1000 vRev0 calculation, the low likelihood of a member of the public being in the vicinity of the vents during an accidental detonation in the store, and that people exposed to less than 3.5 kPa overpressure are expected to have a very low chance of injury (see Section 7.3.2.1), this is considered acceptable. There are no residences or buildings within approximately 3 km of the WUG and Class 1 explosives storage facility, and therefore the effect of vibration on structures has not been considered in this assessment.
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