Abstract
Solid waste landfills must be appropriately managed so as to prevent the adverse effects on the surrounding environment. Japan′s compliance leaching test for industrial wastes, JLT-13, is used as a means for judging whether leaching of hazardous substances is an issue at solid waste landfills. This report summarizes the role of JLT-13 and other related issues based on recent findings and information. The leaching test is still a prerequisite for securing the environmental safety of any landfill. Moreover, in order to set into place the concept of a material-sound society, the construction of a basic concept ualization/guideline for environmental safety in soils, recycled materials and wastes must be developed.
