559Review of risk management

559 Review of risk management (1) The operator of a determined major hazard facility must review and as necessary revise the following, in accordance with this regulation: (a) the safety assessment conducted under regulation 555 in order to ensure the adequacy of the control measures to be implemented by the operator; (b) the major hazard facility's emergency plan; (c) the major hazard facility's safety management system. (2) Without limiting subregulation (1), the operator must conduct a review and revision in the following circumstances: (a) a modification to the major hazard facility is proposed; (b) a control measure implemented under regulation 556 does not minimise the relevant risk so far as is reasonably practicable; (c) a new major hazard risk is identified; (d) the results of consultation by the operator under Part 9.5 indicate that a review is necessary; subregulation (4); (f) the regulator requires the review. Example for subregulation (2)(b) An effectiveness test indicates a deficiency in the control measure. Work Health and Safety (National Uniform Legislation) Regulations 2011 444 (3) In reviewing and revising the emergency plan, the operator must consult with the emergency service organisations referred to in regulation 557(2). (4) A health and safety representative for workers at a major hazard facility may request a review if the representative reasonably believes that: (b) the operator has not adequately conducted a review in