Japan's biggest illegal waste dumping site found in GifuMainichi Shimbun, Japan - 19 March
... Police have been examining a site in Gifu's Tsubakibora district since March 10 where the industrial waste contractor, Zensho, is located. They estimate that as much as 700,000 cubic meters of industrial waste is buried in the surrounding valley.
Investigators bore holes in the surface to determine how much waste had been buried there but had to abandon their efforts after toxic hydrogen sulfide began shooting out...