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 84 of 124 CYANIDE CONTACT (POISONING) PURPOSE • To provide guidelines for responding to a cyanide poisoning HAZARDS • Cyanide usually fatal if ingested, absorbed through the skin, dust enters eyes, or HCN gas inhaled RISK ASSESSMENT • Moderate SITE EMERGENCY COORDINATOR • Area Manager (depending on availability) RESPONSE TO HAZARDS • Do not risk life • Enter safety shower and remove clothes (flush affected areas for at least 15 minutes) • Do not lift contaminated shirt over casualty’s head • Raise alarm and mobilise emergency response team • Monitor area for HCN gas • Rescuers to wear full face mask with appropriate filter or SCBA if required • Keep area clear of bystanders EVACUATION • All non-emergency personnel to be kept clear of the area CONTAINMENT • Remain upwind of cyanide or spills and monitor for HCN gas • Restrict flow of cyanide if required SPECIAL EQUIPMENT • Breathing apparatus and full face respirator and appropriate filter • Ambulance with additional oxygen equipment on standby EMERGENCY ACTION POINTS • Ensure Site Emergency Co-ordinator is given requested support • Keep an emergency logsheet • Man incident command post at all times • Ensure mine management is advised of the emergency at first opportunity and kept up to date EMERGENCY CONTACTS • See general listing in appendix 5 for contact telephone numbers EXTERNAL RESOURCES • National Poison Centre 0800 764 766 • Waihi Medical Centre 07 863 8195
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