Mina de Miguel Burnier

Assessment scope

The scope included the extraction of iron in open pit mines, primary treatment facilities (UTM I and II), decommissioned Alemães tailings dam, waste and dry tailings storage facilities PDE Vigia Unificada and PDR Vigia, decommissioned waste dump PDE Bocaina, stormwater management infrastructure, co-product storage areas, fuel storage and fueling system, potable water treatment plant, wastewater treatment plants, security guard house, warehouses, changing rooms, dining room, administrative office building, health clinic, maintenance facilities, operations building, restaurant and laboratory.

Not included in scope: the Soledade reservoir and associated infrastructure and electrical substation, and the planned UTM II expansion, including the proposed pipeline from UTM II to the Gerdau Açominas’ steel plant in Ouro Branco.

The audit firm determined that the following chapters of the IRMA Standard were not relevant to this audit:

• Chapter 2.2—Free, Prior and Informed Consent
• Chapter 2.4—Resettlement
• Chapter 3.6—Artisanal and Small-Scale Mining
• Chapter 4.7—Cyanide Management
• Chapter 4.8—Mercury Management

Assessment scope

The surveillance audit will verify that the site operations continue to align with the performance previously recognized in the initial audit report. 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 this page.