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RMI Environmental Social and Governance (ESG) Standard for Mineral Supply Chains

The Responsible Minerals Initiative (RMI) is a membership organisation that encourages the responsible sourcing of minerals globally.

The RMI's Environmental, Social & Governance (ESG) Standard provides a set of criteria for facility level assessment, applicable to mineral processors, smelters and refiners, including those integrated with mine sites. It significantly extends the RMI’s scope, as the organisation had previously been focused on adherence to the OECD Due Diligence Guidance for Responsible Supply Chains of Minerals from Conflict-Affected and High-Risk Areas.

The RMI’s ESG Standard includes environmental criteria, occupational health and safety provisions, social obligations and governance requirements.

ISO/TS 22451:2021 – Recycling of rare earth elements

ISO is a non-governmental international standard-setting organization with a membership of 167 national standards bodies. It establishes best practices in a very wide range of activities and is not limited to mineral supply chains.

ISO/TS 22451 provides measurement methods for quantifying rare earth elements (REEs) in industrial wastes and end-of-life products in solid, solid-liquid mixture or liquid forms. It provides an overview of sample preparation and measurement of REEs in industrial waste and end-of-life products.

GRI 14: Mining Sector

The Mining Sector Standard has been approved for development by the Global Sustainability Standards Board (GSSB). The Standard is currently being developed by a multi-stakeholder expert Working Group, appointed by the GSSB.

It is proposed that the Standard for Mining will apply to organizations whose primary focus lies on:​
Exploration and extraction, including quarrying, and primary processing of all types of minerals, metallic and non-metallic, except for oil, gas, and coal. ​
Support activities for mining, such as transport and storage.​
Supply of specialized products and services to mining organizations, such as engineering, procurement, and construction (EPC) contractors.

The Standard will be required in addition to other applicable GRI reporting requirements.