The result of risk assessment is followed, using either the average or highest concentrations scenario, benzene caused the highest carcinogenic risk comparing to other chemical evaluated.

• 风险推估的结果显示：总致癌风险值最高者为中芸国小测站，以最高浓度值与平均浓度值计算，达每十万人约有3人与1人有致癌的风险；