Different profiles of anthropogenic and naturally produced organohalogen compounds in serum from residents living near a coastal area and e-waste recycling workers in India |
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| Institution: | 1. Interdisciplinary Graduate Program in Human Toxicology, The University of Iowa, Iowa City, Iowa 52242, United States;2. Department of Civil and Environmental Engineering, The University of Iowa, Iowa City, Iowa 52242, United States;3. Department of Biostatistics, The University of Iowa, Iowa City, Iowa 52242, United States;4. Department of Occupational and Environmental Health, The University of Iowa, Iowa City, Iowa 52242, United States;1. Department of Health and Welfare, College of City Management, University of Taipei, Taiwan;2. Center for Preventive Medical Sciences, Chiba University, Japan;3. Institute of Environmental and Occupational Health Sciences, National Taiwan University, Taiwan;4. Innovation and Policy Center for Population Health and Sustainable Environment (Population Health Research Center, PHRC), College of Public Health, National Taiwan University, Taiwan;5. National Taiwan University Hospital Yunlin Branch, Taiwan;6. Changhua Christian Hospital, Taiwan |
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| Abstract: | We determined the contamination status and accumulation profiles of polychlorinated biphenyls (PCBs), hydroxylated PCB congeners (OH-PCBs), polybrominated diphenyl ethers (PBDEs), hydroxylated PBDEs (OH-PBDEs), methoxylated PBDEs (MeO-PBDEs), and bromophenols (BPhs) in serum from e-waste recycling workers and residents near a coastal area in India. Residue levels of penta- to octa-chlorinated PCBs, penta- to octa-chlorinated OH-PCBs, 6MeO-BDE47, 6OH-BDE47, and 2,4,6-tri-BPh in serum from residents living near the coastal area were significantly higher than those in serum from e-waste recycling workers. Residue levels of tri- to tetra-chlorinated PCBs, tri- to tetra-chlorinated OH-PCBs, PBDEs, octa-brominated OH-PBDEs, and tetra-BPhs in serum from e-waste recycling workers were higher than those in serum from residents living near the coastal area. Principal component analysis revealed that residents living near the coastal area and e-waste recycling workers had different serum profiles of chlorinated and brominated compounds. |
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