“…In this possible influenced area, there are no inhabitants except the staff of this plant, so the workers had better take strict protection to avoid health risk. (Jiménez et al, 1996;Domingo et al, 2000), Taiwan (Cheng et al, 2003), Italy (Caserini et al, 2004;Capuano et al, 2005), Switzerland (Schmid et al, 2005), Norway (Andersson & Ottesen, 2008), South Korea (Kim et al, 2008), China , USA (Lorber et al, 1998) and Japan (Takei et al, 2000). The present PCDD/Fs level in this studied region is in the normal level as shown in Fig.6. www.intechopen.com Jiménez et al (1996) found a slight PCDD/Fs contamination in soil near a medical waste incinerator in Madrid Spain, but did not clarify whether this plant was the only PCDD/Fs source responsible for the contamination.…”