Supporting Technical Assessments

Approved by: Process Manager Approval Date: 16/12/2021 Next Review: 16/122023 OceanaGold Waihi Document ID: WAI-250-PLN-003 Page 4 of 44 Hazardous Substances Management Plan 7.10 Mixing and Distribution Systems of Hazardous Substances ................................... 18 7.11 Using Hazardous Substances ..................................................................................... 18 7.11.1 Personal Protective Equipment & Emergency Showers/Eye Wash Stations.18 7.11.2 Spill Response................................................................................................18 7.11.3 Certified Handlers ...........................................................................................18 7.12 Disposing of Hazardous Substances.......................................................................... 18 7.13 Workplace Occupational Health Monitoring .............................................................. 19 7.14 Location Compliance Certificates ............................................................................... 19 7.15 Stationary Container Compliance Certificates .......................................................... 19 8 CRITICAL CONTROLS.................................................................................................................. 19 9 EMERGENCY RESPONSE ........................................................................................................... 19 9.1 Evacuation Drills – for Location Compliance Certificate.......................................... 20 10 MONITORING, REVIEW AND AUDIT ........................................................................................... 20 10.1 Monitoring...................................................................................................................... 20 10.2 Review............................................................................................................................ 20 10.3 Audit ............................................................................................................................... 20 11 CORRECTIVE ACTIONS............................................................................................................... 20 12 TRAINING ...................................................................................................................................... 20 13 DEFINITIONS................................................................................................................................. 21 14 ASSOCIATED DOCUMENTS........................................................................................................ 23 15 APPENDICES ................................................................................................................................ 24 15.1 Supporting Documents ................................................................................................ 24 Processing Worker Hazardous Substance Training Flowsheet .............................. 25 15.3 Product Evaluation Form ............................................................................................. 26 15.4 Risk Matrix ..................................................................................................................... 27 15.5 Site Risk Register.......................................................................................................... 28 15.6 CCCS .............................................................................................................................. 34

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