Rio Tinto counts Tiwai smelter clean-up costs

A new report shows soil contamination at Tiwai Point aluminium smelter. (Image: Supplied)

Fri, 15 Oct 2021

The Tiwai Point aluminium smelter’s operator has released detailed reports showing the extent of the 50 year-old site's contamination, but is optimistic it can still be cleaned up within the current budget of about $350 million.The smelter’s majority owner, Rio Tinto, released studies showing widespread contamination in line with what would be expected from half a century of heavy industrial use.This includes soil contamination beyond many health limits. Some soil will need to be treated before it can be legally dumped in a land...

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