Ichsan, A.S., Iswanto, N. , Dewayanto, N. , Margono, M. and Amrullah, O.R. 2025. Life Cycle Assessment of Heavy Equipment Repair and Hazardous Waste Storage: Environmental Optimization at a Coal Mining Contractor. Agroindustrial Technology Journal. 9, 2 (Dec. 2025), 69–90. DOI:https://doi.org/10.21111/atj.v9i2.15141.