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Exposure to glycol ethers among 6-year-old children in France

Abstract : Glycol ethers are an oxygenated solvent family widely present in consumer products. Some of them are recognized reproductive, developmental or hematological toxicants. Although several glycol ether biomonitoring studies have been performed on adults from working or general populations, no studies have hitherto been carried out on children. The aim of our study was to explore the detection of glycol ether metabolites in the urinary samples of 6-year-old children, and if any were found, to describe them. The PELAGIE mother-child cohort included 3421 pregnant women from the general population of Brittany, France, between 2002 and 2006. Our biomonitoring study included a random sample of 110 children from the PELAGIE cohort who had participated in a neurodevelopment evaluation at the age of six. First morning voids were collected from all of the children. Eight urinary glycol ether metabolites were measured using gas chromatography with mass spectrometry. The limit of detection was 0.003 mg/L for all metabolites. Glycol ether metabolites were detected at rates varying from 33.5% of samples for propoxyacetic acid to 100% of samples for phenoxyacetic acid and methoxyacetic acid. The highest median concentration observed was for phenoxyacetic acid (0.141 mg/l). Our study reported the ubiquitous presence of glycol ether metabolites in children's urinary samples. These results call for larger biomonitoring surveys of the general population and study of the potential sources and determinants of these exposures. © 2020
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Submitted on : Monday, May 11, 2020 - 3:40:54 PM
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Ronan Garlantézec, C. Warembourg, F. Le Gléau, C. Montfort, F. Rouget, et al.. Exposure to glycol ethers among 6-year-old children in France. International Journal of Hygiene and Environmental Health, Elsevier, 2020, 227, pp.113510. ⟨10.1016/j.ijheh.2020.113510⟩. ⟨hal-02569806⟩



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