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Sigma Lithium fined by Brazilian inspectors for using prohibited waste pile

In a press release, Brazilian labor inspectors fined Sigma Lithium after they found that the company had deposited waste into a pile which was closed because it posed a "grave" and "imminent" risk to workers and local residents. Inspectors discovered that despite three Sigma waste piles being closed last December, trucks continued to deposit waste on one of them.

Sigma did not respond immediately to a comment request.

The largest lithium producer in Brazil announced that it would resume mining at its flagship Grota do Cirilo Mine despite the piles having been shut down.

When the piles closed late last year, an inspector reported a "partial fracture" near a nearby school in Poco Datas. This is the same waste pile Sigma has been found to be using again.

The mine is Sigma's sole productive asset and has a capacity of 270,000 metric tonnes of lithium concentrate per year. The mine had been inactive for several months after Sigma fired the contractor who operated it.

The Brazilian government is unsure what action it could take if the company continues to use the waste piles despite being ordered to do so.

They also said that Sigma was fined for refusing to allow them to enter the worksite to assess conditions. This is something they are legally entitled to do. Inspectors could see the waste being disposed of from outside Sigma's premises.

Sigma is suing the Brazilian Government to reverse the shutdown order. In legal filings, the company said that losing access to piles could have "significant economic and operational impacts" as well as jeopardizing mining activities.

The?mining regulator ANM in Brazil has said that the waste heaps do not pose an imminent danger, but this does not negate the order of the labor inspectors who are independent and work under the Brazilian Labor Ministry. Reporting by Fabio Téixeira, Editing by Andrea Ricci

(source: Reuters)