Residual levels, distribution and possible sources of organochlorine pesticides (OCPs) in nine water column and suspended particulate matter (SPM) samples collected from Xiangshan Bay, East China Sea were investigated. Total OCPs concentrations in water column and SPM ranges from 2.88 to 34.72 ng/L and 2.47 to 29.94 ng/L, respectively, which exceed the US Environmental Protection Agency regulatory limits. Moreover, low ratio of α-HCH/γ-HCH and high ratios β- and γ-HCH suggested the cocktail input pattern of fresh and weathered HCHs. Meanwhile, low ratio of (DDE + DDD)/DDT and high ratios p,p′- and o,p′-DDT reflected a “dicofol type DDT pollution” pattern.
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This work was supported by the National Natural Science Foundation of China (No. 21007059) and the Hangzhou Normal University Qianjiang College Science Foundation (No. 2011QJJL01).
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Li, W., Yang, H., Gao, Q. et al. Residues of Organochlorine Pesticides in Water and Suspended Particulate Matter from Xiangshan Bay, East China Sea. Bull Environ Contam Toxicol 89, 811–815 (2012). https://doi.org/10.1007/s00128-012-0777-6
- Organochlorine pesticides
- Xiangshan Bay
- Suspended particulate matter