Polychlorinated biphenyls and chlorinated paraffins in home-produced eggs from an e-waste polluted area in South China: Occurrence and human dietary exposure

Zeng, Yan-Hong; Huang, Chenchen; Luo, Xiao-Jun; Liu, You‐Nian; Ren, Zihe; Mai, Bi-Xian

doi:10.1016/j.envint.2018.04.006

Cited by 45 publications

(34 citation statements)

References 40 publications

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“…In comparison, while human dietary exposure to NBFRs in informal e-waste dismantling and recycling sites in China (Huang et al, 2018;Labunska et al, 2014Labunska et al, , 2015 was comparable to that in Vietnam; much higher human exposure to PBDEs (1 to 2 orders of magnitude higher) and much lower human exposure to HBCDDs (1 to 2 orders of magnitude lower) was observed in China compared to Vietnam (Huang et al, 2018;Labunska et al, 2014Labunska et al, , 2015Wu et al, 2019;Zeng et al, 2016). Furthermore, higher EDIs via food intake were identified for various HFRs in informal e-waste dismantling and recycling sites in China between 2013 and 2016 (Tables S1, S2, S3, and S5, Supplementary Material), especially for DPs, DBDPE, and CPs (Huang et al, 2018;Zeng et al, 2018), indicating potentially greater health concerns arising from exposure to HFRs in these regions.…”

Section: Dietary Intakementioning

confidence: 99%

“…Because of their relatively high octanol-air (KOA) and octanol-water partition coefficients (KOW), many HFRs like high brominated PBDEs and NBFRs are likely to accumulate in atmospheric particles and body lipids (Ji et al, 2017;Jiang et al, 2019;Luo et al, 2016;Ma et al, 2017aMa et al, , 2017bZheng et al, 2015a). An increasing number of studies have identified high concentrations of various HFRs and OPFRs in indoor dust and foodstuffs, indicating that human exposure to HFRs and OPFRs through indoor dust and food ingestion is non-negligible (Anh et al, 2017;Huang et al, 2018;Zeng et al, 2016Zeng et al, , 2018Zheng et al, 2015bZheng et al, , 2016. For instance, Zheng et al (2015b) determined concentrations of 8 PBDE congeners , 4 NBFRs (BEH-TBP, TBB, BTBPE, and DBDPE), 8 OPFRs (TEHP, TnBP, TCEP, TBOEP, TPHP, EHDPP, TDCIPP, and TCIPP), and 2 isomers of DP (syn-and anti-) in indoor dust samples from some of the largest e-waste dismantling and recycling sites in China (Longtang, Dali, and Guiyu), and calculated human exposure to these contaminants through indoor dust ingestion.…”

Section: Dust Ingestionmentioning

confidence: 99%

“…In addition to dust ingestion, food intake could also be an important exposure pathway of e-waste recyclers and local residents to HFRs (Anh et al, 2017;Huang et al, 2018;Labunska et al, 2014Labunska et al, , 2015Tao et al, 2016;Wu et al, 2019;Zeng et al, 2016Zeng et al, , 2018. In the same study conducted by Anh et al (2017), the EDI of 8 PBDE congeners through fish consumption (fish samples were manually collected from ponds and canals located within the e-waste recycling area) for adults and children in Bui Dau village, Vietnam was 0.72-46.4 ng/kg bw/day and 0.89-57.0 ng/kg bw/day, respectively.…”

Section: Dietary Intakementioning

confidence: 99%

“…However, from the mid-2000s onwards, concerns about the adverse environmental and human health impacts of HFRs like polybrominated diphenyl ethers (PBDEs) and hexabromocyclododecane (HBCDD) would lead to restrictions and bans on their manufacture and use in new products in many jurisdictions, including their listing under the Stockholm Convention on POPs of the United Nations Environment Programme (UNEP) (Ge et al, 2020;Harrad, 2015;Huang et al, 2018;Ma et al, 2017b). As a result, there has been increased demand for OPFRs and other HFRs such as tetrabromobisphenol-A (TBBP-A), novel brominated flame retardants (NBFRs), dechlorane plus (DP), and chlorinated paraffins (CPs) (Chen et al, 2015;Ge et al, 2020;Gravel et al, 2020;He et al, 2017;Liu et al, 2016;Ma et al, 2017a;Zeng et al, 2018Zeng et al, , 2020.…”

Section: Introductionmentioning

confidence: 99%

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Human exposure to halogenated and organophosphate flame retardants through informal e-waste handling activities - A critical review

Stubbings

Cline‐Cole

et al. 2021

Environmental Pollution

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Section: Dietary Intakementioning

confidence: 99%

Section: Dust Ingestionmentioning

confidence: 99%

Section: Dietary Intakementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Human exposure to halogenated and organophosphate flame retardants through informal e-waste handling activities - A critical review

Stubbings

Cline‐Cole

et al. 2021

Environmental Pollution

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“…The most abundant MCCP congeners were the C 14 , and the Cl 7 and Cl 8 congeners dominated the profile. Zeng et al (2018) reported the levels of MCCPs in home produced eggs in 2013 and 2016 collected from an area that used to be an e-waste site. Median values of 1,030 ng/g fat (year 2013) and 999 ng/g fat (year 2016) were reported.…”

Section: Mccpsmentioning

confidence: 99%

Risk assessment of chlorinated paraffins in feed and food

Schrenk¹,

Bignami²,

Bodin³

et al. 2020

EFS2

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The European Commission asked EFSA for a scientific opinion on the risks for animal and human health related to the presence of chlorinated paraffins in feed and food. The data for experimental animals were reviewed and the CONTAM Panel identified the liver, kidney and thyroid as the target organs for the SCCP and MCCP mixtures tested in repeated dose toxicity studies. Decreased pup survival and subcutaneous haematoma/haemorrhage were also identified as critical effects for an MCCP mixture. For the LCCP mixtures tested, the liver was identified as the target organ. The Panel selected as reference points a BMDL10 of 2.3 mg/kg bw per day for increased incidence of nephritis in male rats, and of 36 mg/kg bw per day for increased relative kidney weights in male and female rats for SCCPs and MCCPs, respectively. For LCCPs, a reference point relevant for humans could not be identified. Due to the limitations in the toxicokinetic and toxicological database, the Panel concluded that derivation of a health‐based guidance value was not appropriate. Only limited data on the occurrence of SCCPs and MCCPs in some fish species were submitted to EFSA. No data were submitted for LCCPs. Thus, a robust exposure assessment and consequently a complete risk characterisation could not be performed. A preliminary risk characterisation based only on the consumption of fish was performed, and the calculated margins of exposure suggested no health concern for this limited scenario. The Panel noted that dietary exposure will be higher due to the contribution of CPs from other foods. The Panel was not able to identify reference points for farm animals, horses and companion animals. No occurrence data for feed were submitted to EFSA. Therefore, no risk characterisation could be performed for any of these animal species.

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