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  • Title: Environmental and occupational exposure to bisphenol compounds in Finland.
    Author: Porras SP, Heinälä M, Veijalainen H, Salo H, Suuronen K, Parshintsev E, Santonen T.
    Journal: Toxicol Lett; 2024 Jul; 398():19-27. PubMed ID: 38852895.
    Abstract:
    The aim of the study was to assess non-occupational and occupational exposure to bisphenol compounds in Finland. The participants were 151 non-occupationally exposed volunteers and 15 potentially exposed employees of a sewage-pipe relining company and a floor-coating company. The following chemicals were measured in the urine samples: bisphenol A (BPA), bisphenol F (BPF), bisphenol A diglycidyl ether (BADGE), bisphenol F diglycidyl ether (BFDGE), and the metabolites of the latter two [bisphenol A (2,3-dihydroxypropyl) glycidyl ether (BADGE·H2O), bisphenol A bis(2,3-dihydroxypropyl) ether (BADGE·2 H2O), bisphenol A (3-chloro-2-hydroxypropyl) (2,3-dihydroxypropyl) ether (BADGE·HCl·H2O), bisphenol A (3-chloro-2-hydroxypropyl) glycidyl ether (BADGE·HCl), and bisphenol A bis(3-chloro-2-hydroxypropyl) ether (BADGE·2HCl) and bisphenol F bis(2,3-dihydroxypropyl) ether (BFDGE·2 H2O), and bisphenol F bis(3-chloro-2-hydroxypropyl) ether (BFDGE·2HCl)]. BADGE and BFDGE were also measured in breathing zone air samples and hand-wipe samples of the sewage-pipe relining and floor-coating workers. Non-occupational exposure to BPA has decreased in Finland. The BPF level of the non-occupationally exposed was higher than the respective levels reported in the recent literature. BPA and BPF concentrations in the workers' urine samples were in the same range as those in the corresponding concentrations of the non-occupationally exposed population. Higher concentrations of BADGE and BFDGE metabolites were found in some of the workers' urine samples. Elevated urine concentrations were also observed in the samples collected the next morning. Some of the urinary BADGE and BFDGE metabolite results correlated with the hand-wipe results. The results show that occupational exposure to BADGE and BFDGE may occur in sewage-pipe relining and floor-coating work. They also indicate that dermal contamination plays a role in total exposure. Although the measured urinary levels indicate that the absorption of these bisphenol compounds are unlikely to pose a systemic health risk, the risk of dermal sensitization remains.
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