The mean concentrations of total PAHs in ambient air at industrial, urban, and rural in central Taiwan, Taichung were measured to be 1652, 1185, and 834.1 ng m3, respectively
The mean concentrationsof total PAHs in ambient air at industrial, urban,and rural in central Taiwan, Taichung were measured tobe 1652, 1185, and 834.1 ng m3, respectively