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 (1)Approaches of Enterprises at Early Stages Figure 2 - 6 Figure 2 - 6 Figure 2-6 Sulfur Volume and Average Sulfur Content of Heavy Oil for Domestic Consumption