Brazilian mining regulatory agency ANM has demanded that mining companies in four states remain alert to the levels in their tailings dams until Friday January 31 because of the heavy rainfall in parts of the country this week.
The agency has requested daily monitoring of the structures due to the rainfall over the weekend of January 25-26, which was expected to continue in the south-eastern states of Esp?-rito Santo, Minas Gerais and Rio de Janeiro, and in the midwestern state of Goi??s.The alert state, which started on January 23 and was extended on January 27, also said...