Barro Alto

Anglo American Brasil

Mined materials: Nickel

Audit timeline

Stage 1: completed 14 Dec 2020

Stage 2: completed  3 Dec 2021

Location of Barro Alto mine

Barro Alto, State of Goiás, Brasil

Audit details

Assessment type: Initial Audit

Assessment scope:  The assessment will include operations and facilities at the Barro Alto mine site, which includes its open pit operation and mine waste facilities. During the assessment the impacts and issues associated with all mining operations and the associated facilities will be reviewed, and each site will be visited.

Anglo American proposed in its assessment application form that the following chapters of the IRMA Standard are not relevant at the Minas-Rio site (during Stage 1, SCS will assess the company’s rationale for why chapters are not relevant):

  • 2.2 – Free, Prior and Informed Consent
  • 3.6 – Artisanal and Small-Scale Mining
  • 4.7 – Cyanide Management
  • 4.8 – Mercury Management

Audit status: Stage 2 completed.

Certification body: ERM Certification and Verification Services. (website)

Stakeholder engagement and complaints:

  • To provide input or participate in audits:  contact ERM-CVS at
  • To file a complaint about the audit results (e.g., achievement level, scores, content of audit reports) contact ERM-CVS at
  • To file a complaint about auditors or Certification Bodies (e.g., performance, competencies, potential conflicts of interest, etc.): file a complaint with IRMA.

More information

ERM-CVS On-site (Stage 2) Audit Announcement (in English and Portuguese)

External Website