Waihi Emergency Principal Control Plan Approved by: General Manager/SSE Approval Date: 26/03/2021 Next Review:26/03/2022 OceanaGold Waihi WAI-250-PLN-001 Page 77 of 124 Containment • Remain upwind of cyanide or spills and monitor for HCN gas • Avoid contact with water • Water should not be used near quantities of solid cyanide as it can generate large amounts of HCN gas which is highly toxic and highly flammable • Water may be used to fight the fire when in close proximity to liquid cyanide, (note HCN can be evolved) • Dry chemical extinguishers can be used on small fires near cyanide • Construct a bund to contain contaminated water if necessary • Neutralise spill area with ferrous sulphate (in stores: note hazardous substance) • Remove contaminated soil to tailings dam Emergency Action Points • Keep an emergency log sheet • Man incident command post at all times • Ensure mine management is advised of the emergency at first opportunity and kept up to date Contacts Orica 0800 734 607 National Poison Centre 0800 764 766 Waihi Medical Centre 07 863 8195 Refer to the Emergency Contact Numbers for contact details for following Mill Personnel: Process Manager / Process Superintendent Metallurgist Process Foreman
RkJQdWJsaXNoZXIy MjE2NDg3