Approved by: Process Manager Approval Date: 16/12/2021 Next Review: 16/122023 OceanaGold Waihi Document ID: WAI-250-PLN-003 Page 19 of 44 Hazardous Substances Management Plan Intermediate Bulk Containers (IBC’s) that have been used to hold dangerous goods shall be disposed of according to site procedures, or if being removed from site for recycling, will be cleaned as per site requirements, and the labelling removed to identify that they no longer contain the dangerous goods. 7.13 Workplace Occupational Health Monitoring Workplace health monitoring is carried out on all employees based on the health risk assessment. This includes both medical assessment, biological and air quality monitoring programs where a risk assessment or health assessment has determined that there is a significant risk to their health as a result of such exposure to a chemical substance, sampling and monitoring is carried out. This monitoring shall be carried out in line with the details in the Worker Health – PCP and occupational hygiene monitoring program. 7.14 Location Compliance Certificates The HSE Department organises the annual Location Compliance Certificate for site with exception of Class 1 explosives. The Underground and Surface Mining are responsible for obtaining authorisation for their annual Class 1 and associated substances Location Compliance Certificate. Copies of the Location Compliance Certificate is held in S/Drive/Safety/HSNO. 7.15 Stationary Container Compliance Certificates A spreadsheet of tanks is located in S/Drive/Safety/HSNO along with copies of all stationary container certificates. Diesel tanks Compliance Certificates are managed by the owner and supplier of fuel with copies sent to site to the company representative. Processing tanks container Compliance Certificates are managed by the Maintenance Supervisor who maintains a file for each tank with all the relevant information on design and testing etc and the tank certificate. 8 CRITICAL CONTROLS To ensure that the risk of incidents occurring is minimised, the following critical controls are in place at Waihi: • Standard operating procedures for working with high risk chemicals, including emergency response • Staff training in use the chemicals • Safe work practices, including good housekeeping and regular cleaning of work areas • Inventory checking and prompt disposal of hazardous chemicals that are no longer required • Keeping containers of hazardous chemicals appropriately bunded and segregated • Spill kits are available to clean up spills immediately • Provision of washing facilities for rinsing off chemicals (e.g. hand washing, eye-washes safety showers) • Appropriate chemical-resistant gloves must be selected in relation to the chemical being handled Some gloves may be resistant to certain substances but may break down or even react with others • Using full-face respirators rather than a half-face respirator, and chemical splash suits during any highrisk chemical mixing operations which can cause skin and respiratory allergic reactions 9 EMERGENCY RESPONSE The Emergency Management Principal Control Plan (EMP) sets out the requirements for any emergency at Waihi and includes Trigger Action Response Plans (TARPS) in case of emergency to cover a chemical incident such as medical or spillage. Copies of the site EMP along with familiarization visits are provided to the local emergency services to assist with response to an emergency. The Safety Appliance Map is placed around site and is included as an appendix to this document and the Emergency Management Principal Control Plan and includes the location of fire extinguishers (including type), fire hoses, hydrants, breathing apparatus, fire alarms, safety showers etc. The mines rescue team are trained to a higher level in chemical management of emergencies. All team members are required to hold a formal qualification to unit standard for responding to hazardous chemical emergency.
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