In carrying out its activities, PT. Sembilan Tiga Perdana is always committed to managing the environment, protecting and preserving the environment around the IUP area, and actively working to reduce the negative impacts caused by mining activities. The activities carried out include Acid Mine Drainage Management, Periodic Monitoring of Mining Wastewater, Environmental Quality Monitoring, Hazardous Waste Management, Nursery Seedling, Reclamation, and Revegetation.