Hexabromocyclododecane in terrestrial passerine birds from e-waste, urban and rural locations in the Pearl River Delta, South China: Levels, biomagnification, diastereoisomer- and enantiomer-specific accumulation

Sun, Yuxin; Luo, Xiao-Jun; Mo, Ling; He, Ming-Jing; Zhang, Qiang; Chen, She-Jun; Zou, Fasheng; Mai, Bi-Xian

doi:10.1016/j.envpol.2012.07.026

Cited by 44 publications

(15 citation statements)

References 34 publications

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“…Generally, muscle and eggs from ducks and chickens displayed significant enrichment of the (−)-α-HBCD and (+)-γ-HBCD enantiomers. This is in agreement with previous reports for terrestrial bird samples from ewaste, urban and rural locations in South China (He et al, 2010;Sun et al, 2012) and eggs of predatory birds from Northern Europe (Janak et al, 2008).…”

Section: Hbcdsupporting

confidence: 93%

“…Moreover, concentrations of ΣHBCDs in the duck liver control sample, exceeded five-fold those detected in duck livers from e-waste-impacted locations. A previous study from the Pearl River Delta in South China (Sun et al, 2012) reported higher concentrations of HBCDs in the muscle and stomach of three species of passerine birds collected from urban sites than in those from e-waste recycling sites. That difference was attributed to higher releases of HBCD from textile and construction applications in urban areas.…”

Section: Hbcdmentioning

confidence: 96%

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Human dietary intake of organohalogen contaminants at e-waste recycling sites in Eastern China

Labunska

Abdallah

Eulaers

et al. 2015

Environment International

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This study reports concentrations and human dietary intake of hexabromocyclododecanes (HBCDs), polychlorinated biphenyls (PCBs) as well as selected "novel" brominated flame retardants (NBFRs) and organochlorine pesticides, in ten staple food categories. Samples were sourced from areas in Taizhou City, eastern China, where rudimentary recycling and disposal of e-waste is commonplace, as well as from nearby non-e-waste impacted control areas. In most instances, concentrations in foods from e-waste recycling areas exceeded those from control locations. Concentrations of 2-ethylhexyl-2,3,4,5-tetrabromobenzoate (EH-TBB) and bis-(2-ethylhexyl)-3,4,5,6-tetrabromophthalate (BEH-TBP) in samples from e-waste sites were 3.09-62.2ng/g and 0.81-16.3ng/g lipid weight (lw), respectively; exceeding consistently those in foods acquired from control sites by an order of magnitude in many cases. In contrast, while concentrations of HBCD in some foods from e-waste impacted areas exceed those from control locations; concentrations in pork, shrimp, and duck liver are higher in control samples. This highlights the potential significance of non-e-waste sources of HBCD (e.g. building insulation foam) in our study areas. While concentrations of DDT in all foods examined except pork were higher in e-waste impacted samples than controls; our exposure estimates were well below the provisional tolerable daily intake of 0.01mg/kgbw/day derived by the Joint FAO/WHO Meeting on Pesticide Residues. Concentrations of ΣPCBs resulted in exposures (650 and 2340ng/kgbw/day for adults and children respectively) that exceed substantially the Minimal Risk Levels (MRLs) for ΣPCBs of 20ng/kgbw/day derived by the Agency for Toxic Substances & Disease Registry. Moreover, when expressed in terms of dioxin-like toxicity equivalency based on the four dioxin-like PCBs monitored in this study (DL-PCBs) (PCB-105, 118, 156, and 167); concentrations in e-waste impacted foods exceed limits set by the European Union in 6 of the 8 food groups studied and result in dietary exposures for children (10.2pgTEQ/kgbw/day) that exceed the WHO tolerable daily intake of 1-4pgTEQ/kgbw/day.

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Section: Hbcdsupporting

confidence: 93%

Section: Hbcdmentioning

confidence: 96%

Human dietary intake of organohalogen contaminants at e-waste recycling sites in Eastern China

Labunska

Abdallah

Eulaers

et al. 2015

Environment International

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“…Such food chain-dependent trophic transfer effect may indicate more complicated mechanisms of biomagnification in terrestrial ecosystems. Unfortunately, few studies have been devoted to the biomagnification potential of OHPs, especially HBCDs and DP, in terrestrial ecosystems Sverko et al, 2011;Sun et al, 2012;Xian et al, 2011). Even for legacy pollutants, such as PCBs and DDTs, data on terrestrial biomagnification is scarce.…”

Section: Introductionmentioning

confidence: 99%

Occurrence and biomagnification of organohalogen pollutants in two terrestrial predatory food chains

Luo

Zheng

et al. 2013

Chemosphere

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“…whole blood, serum, and plasma) has been used in biomonitoring of humans and animals . Although previous studies presented the individual HBCD enantiomer in many species, such as fish , birds , crustaceans, and marine mammals , and little research is reported in biota blood. To better investigate their enantiomeric selectivity behavior, it is important to develop a simple and rapid analytical method of HBCD enantiomers in blood sample.…”

Section: Introductionmentioning

confidence: 99%

“…Fortunately, isotopic dilution method can effectively solve this problem, which is carried out by adding the isotopic‐labeled compounds as internal standards into the sample while beginning of the sample pretreatment . Almost published researches on the determination of HBCDs were achieved by the isotopic dilution method . The results from the evaluation of matrix effect in sewage sludge showed that the isotopic dilution method could counteract the matrix effect .…”

Section: Introductionmentioning

confidence: 99%

Determination of hexabromocyclododecane enantiomers in chicken whole blood by a modified quick, easy, cheap, effective, rugged, and safe method with liquid chromatography and tandem mass spectrometry

et al. 2016

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A rapid and simple analytical method has been developed for the determination of hexabromocyclododecane enantiomers in chicken whole blood, based on a modified quick, easy, cheap, effective, rugged, and safe approach before liquid chromatography coupled with tandem mass spectrometry. The factors influencing performance of method were investigated by single factor experiment, and further optimized by the response surface methodology based on Box-Behnken design. The matrix effects were also evaluated by the isotopic dilution method. Under the optimal conditions, the proposed method showed good linearity within the range of 1-500 μg/L and good repeatability with relative standard deviation less than 9.5% (n = 5). The limits of detection (S/N = 3) were 0.03-0.19 μg/L. The developed method was successfully applied for the analysis of hexabromocyclododecane enantiomers in real chicken blood samples. The satisfactory recoveries ranging of 83.6-115.0% were obtained (at spiked levels of 5, 20, and 100 μg/L). The results demonstrated that the proposed method would be a practical value method for the determination of hexabromocyclododecane enantiomers in animal blood. It would be further developed with confidence to analyze other lipophilic organic pollutants in blood sample.

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Hexabromocyclododecane in terrestrial passerine birds from e-waste, urban and rural locations in the Pearl River Delta, South China: Levels, biomagnification, diastereoisomer- and enantiomer-specific accumulation

Cited by 44 publications

References 34 publications

Human dietary intake of organohalogen contaminants at e-waste recycling sites in Eastern China

Human dietary intake of organohalogen contaminants at e-waste recycling sites in Eastern China

Occurrence and biomagnification of organohalogen pollutants in two terrestrial predatory food chains

Determination of hexabromocyclododecane enantiomers in chicken whole blood by a modified quick, easy, cheap, effective, rugged, and safe method with liquid chromatography and tandem mass spectrometry

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