Abstract
This study analyzed the mass-flow of material and waste in individual industrial regions to evaluate a material flow model encompassing the larger industrial area. The regions included 25-40 Japanese prefectures in 1994. We used the emission rate of total or industrial waste as an environmental loading item, in order to create an indicator capable of evaluating regional sustainability. Generation of industrial waste was also compared in each industrial category. The relationships between total waste volume and the total material input of the objected prefectures imply that total waste corresponds to nearly 10% of the total material input generated in every prefecture.