In total, IGAM found unacceptable levels of arsenic at seven places on the Rio Doce, which stretches more than 500 miles from the mineral-rich state of Minas Gerais to Espirito Santo on the Atlantic coast.
The report, released on IGAM’s website after pressure from prosecutors, appears to contradict claims by the companies responsible for the mine. Samarco, the mine operator, and its co-owners, BHP Billiton and Vale, have repeatedly said the water and mineral waste unleashed by the dam burst were not toxic. Samarco said in a statement on Thursday that their own tests showed the mine waste in the dam – known as tailings – did not pose any harm to humans.
In total, IGAM found unacceptable levels of arsenic at seven places on the Rio Doce, which stretches more than 500 miles from the mineral-rich state of Minas Gerais to Espirito Santo on the Atlantic coast.The report, released on IGAM’s website after pressure from prosecutors, appears to contradict claims by the companies responsible for the mine. Samarco, the mine operator, and its co-owners, BHP Billiton and Vale, have repeatedly said the water and mineral waste unleashed by the dam burst were not toxic. Samarco said in a statement on Thursday that their own tests showed the mine waste in the dam – known as tailings – did not pose any harm to humans.
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