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http://dx.doi.org/10.5806/AST.2006.19.1.073

Evaluation of human exposure to polychlorinated biphenyls using human serum by congener-specific analysis  

Park, Hyo-Keun (School of Environmental Science & Engineering, Pohang University of Science and Technology)
Lee, Se-Jin (School of Environmental Science & Engineering, Pohang University of Science and Technology)
Jin, Guang-Zhu (School of Environmental Science & Engineering, Pohang University of Science and Technology)
Kang, Jung-Ho (School of Environmental Science & Engineering, Pohang University of Science and Technology)
Baek, Song-E (School of Environmental Science & Engineering, Pohang University of Science and Technology)
Chang, Yoon-Seok (School of Environmental Science & Engineering, Pohang University of Science and Technology)
Publication Information
Analytical Science and Technology / v.19, no.1, 2006 , pp. 73-85 More about this Journal
Abstract
Blood serum concentrations of polychlorinated biphenyls (PCBs) were measured in employees who worked at a municipal solid waste incinerator (MSWI), members of residential community who lived near the MSWI (<0.3km) and members of residential community lived far from the MSWI (>10 km). Human blood serum samples were analyzed for all PCB congeners using high-resolution gas chromatography/high-resolution mass spectrometry (HRGC/HRMS). The mean levels of total PCBs and dioxin-like PCBs in 87 serum samples were 242.77 ng/g lipid and 8.83 TEQ pg/g lipid, respectively. The PCB homologue profiles showed that penta-, hexa-, hepta-chlorinated biphenyls contributed more than 80% of the total PCBs concentration. The most abundant congeners were PCB153, PCB138, PCB180, PCB187, PCB118. A statistical analysis was performed to determine whether there were significant correlations between PCB concentrations and specific variables such as age, gender, smoking habits, occupation, BMI (Body Mass Index) and time of residence. As a result, the age was found to be strongly correlated with serum PCB concentrations. In addition, there were strong correlations between total PCBs and PCB153 (r=0.93, p<.0001), dioxin-like PCBs and PCB118 (r=0.98, p<.0001). So these two congeners are satisfactory indicators for total PCB concentrations and dioxin-like PCBs in human blood respectively.
Keywords
Human Blood; PCBs; HRGC/HRMS;
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