Sheng-Wei Wang¹, Hui-Chen Chien², Kuo-Su Chiu², Hsien-Wen Ko², Hsin-I Lu², Wan-Fang Chan², Feng-Jen Tsai², Liang-Li Chang², Chih-Chung Liu³ and Ying-Tzu Chen³, (1)Sinotech Environmental Technology Ltd., Taipei, Taiwan, (2)Soil and Groundwater Pollution Remediation Fund Management Board, Environmental Protection Administration, Taipei, Taiwan, (3)Sinotech Environmental Technology, Ltd., Taipei, Taiwan