ICETT 四日市公害について知ろう Outline of Japan’s Industrial Pollution Abatement Approaches to Air pollution Control (Case Study-1) Yokkaichi City, Mie prefecture (3) Air Pollution and Public Health Problems Figure 2 -2 Figure 2 -2 Figure 2-2 Sulfur Dioxide Concentration in Isozu District Obtained by Electric Conductivity Measurement