Biomonitoring of Polybrominated Dioxins & Furans, Polychlorinated Dioxins & Furans, and Dioxin Like Polychlorinated Biphenyls in Vietnamese Female Electronic Waste Recyclers.

Jenevieve S Peecher Arnold J Schecter Helen Lu Hoang Trong Quynh Arnold Stromberg Jiaying Weng Riley Crandall Linda S Birnbaum

J Occup Environ Med

From the Department of Emergency Medicine, University of Colorado School of Medicine, Aurora, Colorado (Dr Peecher); University of Louisville School of Medicine (Dr Lu, Dr Schecter); Centre for Ecologically Sustainable Agriculture, Ha Noi, Vietnam (Dr Quynh); University of Louisville School of Public Health and Information Sciences (Dr Schecter), Louisville; University of Kentucky College of Arts & Sciences, Lexington (Dr Stromberg, Dr Weng), Kentucky; Baylor Scott & White Healthcare/Texas A&M University Health Science Center College of Medicine, Temple, Texas (Dr Crandall); and National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina (Dr Birnbaum).

Published: September 2022

E-waste is increasing worldwide, leading to a study on harmful chemicals like dioxins and PCBs in female e-waste recyclers compared to non-recyclers in Vietnam.
Blood samples were analyzed, showing higher levels of toxic compounds in recyclers than in non-recyclers and some levels surpassed those found in the National Health and Nutrition Examination Surveys (NHANES).
The findings indicate significant exposure to specific dioxins and PCBs among recyclers, suggesting a need for intervention to reduce these harmful exposures.

Objective: E-waste is rising globally. This is a follow up to our study reporting metals/polybrominated diphenyl ethers (PBDE's)/polychlorinated biphenyls (PCBs) in female e-waste recyclers. Here we report polybrominated, polychlorinated dioxins/furans, and dioxin-like polychlorinated biphenyls in these same workers.

Methods: Female Vietnamese recyclers and non-recyclers recruited; blood samples collected. Polybrominated, polychlorinated dioxins/furans, and dioxin-like polychlorinated biphenyls levels compared in recyclers, non-recyclers, and National Health and Nutrition Examination Surveys (NHANES).

Results: Recyclers >non-recyclers: 12378-PBDD, 2378-TBDF, 12378-PCDF, 123478-HxCDF, 123678-HxCDF, 1234678-HpCDF, PCB-126. Non-recyclers >NHANES: 123478-HxCDF, 123678-HxCDF, 234678- HxCDF, PCB-126, PCB-169. NHANES >non-recyclers: 12378-PCDD, 123478-HxCDD, 123678-HxCDD, 123789-HxCDD, 1234678-HpCDD, 123789-HxCDF, 1234678-HpCDF, 1234789-HpCDF, OCDF, PCB-81, PCB-114, PCB-156, PCB-157, PCB-167, PCB-189. Recyclers >NHANES: S: 2378-TeCDF, 12378-PCDF, 23478-PCDF, 123478-HxCDF, 123678- HxCDF, 234678-HxCDF, PCB-126. NHANES >recyclers: 12378-PCDD, 123478-HxCDD, 123678-HxCDD, 123789-HxCDD, 1234678-HpCDD, OCDD, 123789-HxCDF, 1234678-HpCDF, 1234789-HpCDF, OCDF, PCB- 81, PCB-114, PCB-156, PCB-157, PCB-189.

Conclusion: 12378 PCDD, 2378-TCDD, PCB 126 makeup most total dioxin equivalences (TEQs) in AQ5 these workers, indicating increased exposure; remediation indicated.

Download full-text PDF	Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9680905	PMC
http://dx.doi.org/10.1097/JOM.0000000000002506	DOI Listing

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