fig3

Figure 3. Percentage of the individual isomers of HCH (A) and DDTs (B) in soils. DDTs: Dichlorodiphenyltrichloroethanes; HCH: Hexachlorocyclohexane.
Figure 3. Percentage of the individual isomers of HCH (A) and DDTs (B) in soils. DDTs: Dichlorodiphenyltrichloroethanes; HCH: Hexachlorocyclohexane.
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