ICETT 四日市公害について知ろう Outline of Japan’s Industrial Pollution Abatement Preventative Measures Against Water Pollution Jinzu River, Toyama Prefecture 2) Countermeasures against pollution from waste water Figure 4 – 2 Figure 4 – 2 Figure 4-2 Transition in waste water volume, cadmium concentration and cadmium discharge at waste water gate