GRI Indicators and Topic Boundary 203-1, 203-2, 204-1, 205-1, 413-103, 413-1, 413-2, 419-1, G4-MM6, G4-MM7 This topic is considered one of the most material by our shareholders, employees, contractors, suppliers, regulators and society in the context of all Teck sites, contractor selection/management and supplier selection.