PPLI offers stabilization treatment for solid waste delivered in non-stable form. Hazardous waste cannot be landfilled until it is certain that the waste is physically and chemically stable.

The stabilization process involves various forms of chemical pre-treatment, followed by mixing with Portland cement, fly ash, absorbent clay, water, and other reagents in varying proportions to create a stable substance. Once stabilized, the end product is deposited safely into the eco-landfill.

• Stabilization construction standards Government of Indonesia Regulation BAPEDAL No. Kep-03/Bapedal/09/1995 and international US-EPA standards for hazardous waste prior to disposal in Class 1 Landfills
• Solidification for hazardous and less hazardous waste prior to disposal in Class 1 or Class 2 Landfills
• Various special pre-treatment and treatment processes including concrete encapsulation
• Quality Control Criteria tests: TCLP test, compressive strength test (min. 10 ton/m²), paint filter test, and so on