Groundwater and soil pollution with nitrate nitrogen by land disposal of wastewater,
and a trial measure against the issues. These issues are worrisome not only in cases of the dumping of raw human waste, but also that of treated water, because some kinds of pollutants are usually still remaining even in the treated water.
Tomio Suzuki (Non Profit Organization, Institute of Ecological Engineering, Japan)
Yutaro Anzai (Shinshu-University, Japan)
Akito Matsumoto (Shinshu-University, Japan)
View their slides below: