Approved by: Process Manager Approval Date: 16/12/2021 Next Review: 16/122023 OceanaGold Waihi Document ID: WAI-250-PLN-003 Page 38 of 44 Hazardous Substances Management Plan 15.10 Public Safety Evacuation Zones Evacuation zones are based on the Guides in the HB 76:2010. • Explosives are based on the category and amount stored. • LPG large spill 800m in all directions, fire 1500m in all directions. • Diesel spill (large) 300m downwind or 1000m in all directions if on fire. • Acid, caustic, O2 and CN are all downwind evacuations of 250m for a spill and 800m in all directions for fire.
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