PT Timah Tbk has concentrated its mineral processing activities in the Mineral Processing Division (BPM), located within the Muntok Metallurgical Unit, which has been operating since 1976. Residual processing material (SHP) from BPM is collected in a dedicated storage area in Gemuruh. Based on measurements, the SHP volume at the research site reached 6,772.5 m³ with a total weight of 8,804 ton…