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The results of particulate matters level and heavy metal concentration, which surveyed in Gwang-Yang, Dang-Jin steel industry area, are as follows; The , of exposure area are , each in Kum-Ho dong, and , 51.5 each in Jung dong. The , of control area are , each in Bonggang-myeon. The level is higher in exposure area than control area. In case of Dang Jin, the concentration of and is higher in exposure area than control area (, ). The Pb level of Dang Jin area is higher in exposure area () than control area () and both Gwang-Yang and Dang-Jin area lower level than the Guideline level of Korea EPA.
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