ICETT Let's learn about Yokkaichi Pollution Outline of Japan's Industrial Pollution Abatement Approaches to Air Pollution Control (Case Study-1) Yokkaichi City, Mie prefecture (3) Regulation by Air Pollution Control Law (1968) Figure 2 - 5 Figure 2 - 5 Figure 2-5 Changes in the Number of Newly Recognized Patients of Respiratory Diseases