The Global Industry Standard on Tailings Management (GISTM) was developed in 2020 with the aim of achieving zero harm to people and the environment. This document establishes specific guidelines for the management of tailings disposal structures, seeking solid socio-environmental and technical results. At Nexa, we are working to adapt our structures to the standard by 2030.
- Vegetation maintenance
- Drainage cleaning
- Method of disposing of material in the dam
- Free edge height