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 8 of 44 Hazardous Substances Management Plan (3) The PCBU must minimise risks to health and safety, so far as is reasonably practicable, by taking 1 or more of the following actions that is the most appropriate and effective taking into account the nature of the risk: (a) substituting (wholly or partly) the hazard giving rise to the risk with something that gives rise to a lesser risk: (b) isolating the hazard giving rise to the risk to prevent any person coming into contact with it: (c) implementing engineering controls. (4) If a risk then remains, the PCBU must minimise the remaining risk, so far as is reasonably practicable, by implementing administrative controls. (5) If a risk then remains, the PCBU must minimise the remaining risk by ensuring the provision and use of suitable personal protective equipment. 4.2.2 Health and Safety at Work (Hazardous Substances) Regulations Section 3.2 Managing risks associated with hazardous substances (1) A PCBU must manage risks to health and safety associated with using, handling, manufacturing, or storing a hazardous substance or a group of hazardous substances with the same hazardous properties at a workplace. (2) In managing risks, the PCBU must have regard to the following: (a) the quantity of the hazardous substances used, handled, manufactured, or stored: (b) the health and physico-chemical hazards associated with the hazardous substance: (c) any potential chemical or physical reaction between the hazardous substance and another substance, including a substance that may be generated by the reaction: (d) any ignition sources (for example, flames, heat, or sparks) that might ignite the hazardous substance: (e) any structure, plant, or system of work that is used in the use, handling, manufacture, or storage of the hazardous substance: (f) the nature of the work to be carried out by workers with the hazardous substance, including— (i) the workers’ risks of exposure to the substance; and (ii) the likely degree of exposure: (g) any prescribed exposure standard for the hazardous substance: (h) any restricted entry interval for the substance, if one has been set. (3) A PCBU who contravenes this regulation commits an offence and is liable on conviction, — Section 3.3 Duty of PCBU to review control measures (1) In addition to the circumstances specified in regulation 8 of the Health and Safety at Work (General Risk and Workplace Management) Regulations 2016, a PCBU with management or control of a workplace must ensure that a control measure implemented under this Part in relation to a hazardous substance at the workplace is reviewed and, if necessary, revised in the following circumstances: (a) after a significant change to— (i) the safety data sheet for that hazardous substance; or (ii) the information about that hazardous substance in the PCBU’s inventory of hazardous substances: (b) after any notifiable event in the workplace involving a relevant hazardous substance: (c) at least once every 5 years.

RkJQdWJsaXNoZXIy MjE2NDg3