title: Distribution and bioaccumulation of polychlorinated biphenyls and organochlorine pesticides residues in sediments and Manila clams (Ruditapes philippinarum) from along the Mid-Western coast of Korea.
abstract: The distribution and bioaccumulation features of PCBs, DDTs, and HCHs were investigated in the sediments and Manila clams collected from along the Mid-Western coast of Korea. The measured concentrations of ΣPCBs, ΣDDTs and ΣHCHs were 1.08-3.5, 0.12-0.35 and 0.090-0.30 ng g(-1) dw in sediment, and 33-390, 7.4-46 and 6.3-27 ng g(-1) lipid in Manila clam, respectively. Their levels were found to be relatively lower than those of other contaminated areas and the consumption of Manila clam from these areas seems to be safe for human health according to calculated lifetime cancer risk and hazard indices. The ΣPCBs and ΣDDTs concentrations in sediments showed a significant relationship to those in clams. The significant correlation was observed between BSAF in clams and Kow for each PCB congeners and DDT metabolites. These findings support that the PCBs and DDTs levels, which are highly hydrophobic chemicals, in clam reflect the sediment pollution through bioaccumulation.
authors.affiliation: Korea Institute of Ocean Science & Technology, 787, Haeanro, Ansan 426-744, Republic of Korea; Department of Marine Sciences and Covergent Technology, Hanyang University, Ansan 426-791, Republic of Korea. Electronic address: jychoi@kiost.ac.
authors.forename: Jin Young
authors.initials: JY
authors.lastname: Choi
authors.affiliation: Korea Institute of Ocean Science & Technology, 787, Haeanro, Ansan 426-744, Republic of Korea. Electronic address: dbyangh@naver.com.
authors.forename: Dong Beom
authors.initials: DB
authors.lastname: Yang
authors.affiliation: Korea Institute of Ocean Science & Technology, 787, Haeanro, Ansan 426-744, Republic of Korea. Electronic address: ghhong@kiost.ac.
authors.forename: Gi Hoon
authors.initials: GH
authors.lastname: Hong
authors.affiliation: Department of Marine Sciences and Covergent Technology, Hanyang University, Ansan 426-791, Republic of Korea. Electronic address: shinkh@hanyang.ac.kr.
authors.forename: Kyung Hoon
authors.initials: KH
authors.lastname: Shin
mesh_terms: D000818:Animals; D049872:Bivalvia / Q000737:chemistry; D002849:Chromatography, Gas; D004784:Environmental Monitoring / Q000379:methods; D020387:Food Chain; D005506:Food Contamination / Q000032:analysis*; D005843:Geography; D019015:Geologic Sediments / Q000737:chemistry; D006843:Hydrocarbons, Chlorinated / Q000032:analysis*; D010573:Pesticide Residues / Q000032:analysis*; D011078:Polychlorinated Biphenyls / Q000032:analysis*; D016016:Proportional Hazards Models; D056910:Republic of Korea; D018570:Risk Assessment; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D006843:Hydrocarbons, Chlorinated; D010573:Pesticide Residues; D014874:Water Pollutants, Chemical; D011078:Polychlorinated Biphenyls
keywords: BSAF; Human risk assessment; Manila clam (Ruditapes philippinarum); Persistent organic pollutants (POPs); Risk assessment