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  • Title: Human exposure to polychlorinated biphenyls in a residential community.
    Author: Orloff KG, Dearwent S, Metcalf S, Kathman S, Turner W.
    Journal: Arch Environ Contam Toxicol; 2003 Jan; 44(1):125-31. PubMed ID: 12434227.
    Abstract:
    Blood serum concentrations of polychlorinated biphenyls (PCBs) were measured in members of a residential community who lived near a chemical plant that formerly manufactured PCBs. Elevated blood serum PCB concentrations were detected in some of the older adults who were long-term residents of the community. Congener-specific analyses indicated that PCB congeners 153, 138/158, 180, 118, and 187 contributed 60-67% of the total PCBs detected in blood from adults and children. Blood PCB concentrations correlated strongly with age and length of residency in the neighborhood. However, blood PCB concentrations did not correlate with PCB concentrations in soil or house dust samples from the homes. Past exposures to PCBs may be a significant contributor to the elevated PCB concentrations detected in some adult members of the community.
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