Hazardous waste identification flowchart

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Hazardous wastes are wastes that are listed as hazardous on the NZ Waste List or that contain hazardous substances which exhibit hazardous characteristics or generate a leachate that exhibits hazardous characteristics. Non-hazardous wastes are wastes which are not listed as hazardous on the NZ Waste List. They may contain hazardous substances, so long as the waste as a whole does not exhibit hazardous characteristics or generate a leachate that exhibits hazardous characteristics. If a hazardous waste has been treated to remove its hazardous characteristics and potential to generate a hazardous leachate then it becomes a non-hazardous waste.