Operating Company
Anglo American
Materials Mined
Nickel
Assessment Status
Surveillance Assessment Completed
Audit Information
Initial Audit: Results
Barro Alto audit report packet: (português | english)
The pdf packet includes:
- IRMA press release for Barro Alto and Minas-Rio (português | english);
- Q&A about the IRMA audits of the Anglo American Brasil Barro Alto and Minas-Rio operations (português | english);
- Background on the IRMA independent mine assessment process (português | english); and
- Audit report (português | english)
Audit release webinar (English) – slides
Audit release webinar (Português) – slides
Initial Audit: Details
Assessment scope
The assessment included Barro Alto’s four open pit mines, as well as the onsite processing facilities. Area 5 became operational in November 2021 and therefore was not included in the scope of this assessment. Area 5 will be included in future assessments. The audit firm found the following chapters of the IRMA Standard not relevant for this audit:
- 2.2 – Free, Prior and Informed Consent
- 3.4 – Conflict-Affected and High-Risk Areas
- 3.6 – Artisanal and Small-Scale Mining
- 4.7 – Cyanide Management
- 4.8 – Mercury Management
Audit firm
ERM Certification and Verification Services. (website)
Stakeholder input
To provide input or participate in audits:
ERM Certification and Verification Services Limited
Exchequer Court, 33 St Mary Axe, London, EC3A 8AA
Amanda Russell, Email: post@ermcvs.com
Audit-related feedback
- To file a complaint about the audit results (e.g., achievement level, scores, content of audit reports) contact ERM-CVS at post@ermcvs.com
- To file a complaint about auditors or Certification Bodies (e.g., performance, competencies, potential conflicts of interest, etc.): file a complaint with IRMA.
Initial Audit: Timeline
| Completion Date | Status | Audit phase |
|---|---|---|
| Self-Assessment | ||
| 2020-06-05 | Third-Party Audit Announced | |
| 2020-12-14 | Third-Party Audit: Stage One (Desk Audit) | |
| 2021-12-03 | Third-Party Audit: Stage Two (On-Site Audit) | |
| 2022-02-28 | Draft Audit Report | |
| Mine Site and IRMA Review Draft Audit Report | ||
| Optional Corrective Action Period | ||
| 2023-07-20 | Updated Draft Audit Report | |
| 2024-01-09 | Mine Site and IRMA Review Updated Draft Audit Report | |
| 2024-02-07 | Audit Report Released |
- Complete
- Started
- Has not started
Surveillance Audit 2025: Results
Surveillance Audit 2025: Details
Assessment scope
The onsite surveillance audit will verify that the site operations continue to align with the previously recognized performance. The audit team will verify that the mine’s systems and controls are still in place and are functioning effectively, that no major changes have occurred that negatively affect the mine’s performance, and that the site is progressing on its corrective action plan. The audit will also include confidential interviews with workers and engagement with community stakeholders. Following the completion of the surveillance audit, a report will be published on the IRMA website.
Audit firm
Stakeholder input
To provide input or participate in audits contact ERM CVS via:
Webform
Email: post@ermcvs.com
Phone: +55 11 4933 3280
Audit-related feedback
- To file a complaint about the audit results (e.g., achievement level, scores, content of audit reports) contact ERM CVS at post@ermcvs.com
- To file a complaint about auditors or Certification Bodies (e.g., performance, competencies, potential conflicts of interest, etc.): file a complaint with IRMA.
Surveillance Audit 2025: Timeline
| Completion Date | Status | Audit phase |
|---|---|---|
| 2025-05-09 | Announcement | |
| Desktop review | ||
| Stakeholder engagement plan | ||
| 2025-06-13 | Onsite audit | |
| 2025-10-24 | Report | |
| 2025-10-31 | Public release |
- Complete
- Started
- Has not started
Read a comprehensive description of the audit process and what each step entails.