Abstract
This study aims to compare the application of laws to treat land contamination, and to consider the long-term approach to include information openings, care for the public, and redevelopment. This paper (Part 1) aims to compare the application of national acts to treat land contamination in Japan, the Netherlands, Germany, and the United Kingdom. It concludes that the Japanese national acts have limitations on applicable types of land and stages of the land contamination treatment process, whereas in the Netherlands, Germany, the U.K. have national acts are applicable for any types of land and a number of stages.