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Images of a radioactive waste leak at Olympic Dam have raised questions over incident reporting procedures.
The images were submitted anonymously to The Roxby Downs Sun this week of the spillage and clean up effort last year.
According to documents submitted with the photos, the spill occurred after waste leaked outside a tailings dam that lacked a lining.
“The main thing the photos show is that tailings liquor – acidic, radioactive and containing toxic heavy metals – is leaking from the rock ‘armoury’ of the tailings ‘retention’ system in significant volumes and collecting outside the tailings cell in areas which lack any form of lining,” the document stated.