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Two Queensland Alumina Limited staff were not properly trained to prevent a serious environmental breach when the alarm was raised on September 8, 2018, a court has heard.
The error resulted in a two to three tonne slurry of alkaline bauxite being released into the air which travelled 11km south and impacted 119 properties and vehicles in the South Tree Industrial State and caused $868,906.78 in insurance payouts.
Crown prosecutor Deborah Holiday, acting for the Department of Environment and Science, told Gladstone Magistrates Court an alarm was raised at 5.55pm where a control room supervisor requested an electrician investigate the incident who in turn contracted a technical specialist.