Since 2012, the company adhered to Rio Tinto’s D5 standard, “Management of Tailings and Water Storage Facilities”, which is rooted from the ANCOLD standard. The standard is complied with in all of Rio Tinto’s mines in Australia, Canada, America, etc.
Per the D5 standard, the construction blueprint, construction progress to operations is audited by subject matter experts with 30 years of experience. The audit process is also guided, monitored, and reviewed by experts with 40 years of experience. This extensive monitoring system is designed to reduce the risk of errors.