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The spatial distributions and chiral signals of organochlorine pesticides (OCPs) in surface sediments from Yueqing Bay and Sanmen Bay, East China Sea were investigated. The total OCPs concentrations ranged from 2.11 to 18.15ngg −1 dry weight for all the sampling stations. HCHs and DDTs were dominant, although trans-chlorodane/cis-chlorodane were also observed in some sites. The predominant...
In September 2009, we investigated the residues, enantiomer fractions (EFs) and biological risks of organochlorine pesticides (OCPs), including dichlorodiphenyltrichloroethanes (DDTs) and hexachlorocyclohexanes (HCHs), in three different depth ranges (0–5cm, 5–10cm and 10–15cm) of sediments from 15 sites in Hangzhou, China. The concentration (ngg −1 dryweight) ranges of HCHs and DDTs in surface...
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