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Assessment of Exposure of Korean Firefighters to Polybrominated Diphenyl Ethers and Polycyclic Aromatic Hydrocarbons via Their Measurement in Serum and Polycyclic Aromatic Hydrocarbon Metabolites in Urine
Environmental Science & Technology ( IF 10.8 ) Pub Date : 2021-08-26 , DOI: 10.1021/acs.est.1c02554 Okon Dominic Ekpe 1 , Wonjin Sim 2 , Sol Choi 1 , Gyojin Choo 1, 3 , Jeong-Eun Oh 1
Environmental Science & Technology ( IF 10.8 ) Pub Date : 2021-08-26 , DOI: 10.1021/acs.est.1c02554 Okon Dominic Ekpe 1 , Wonjin Sim 2 , Sol Choi 1 , Gyojin Choo 1, 3 , Jeong-Eun Oh 1
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This study investigated the occupational exposure of Korean firefighters to a suite of combustion-related pollutants. Exposure to polybrominated diphenyl ethers (PBDEs) and polycyclic aromatic hydrocarbons (PAHs) was assessed by measurement of their levels in serum and metabolites in urine (i.e., monohydroxylated PAHs, OH-PAHs). The mean level of ∑PBDEs in the serum of firefighters (17.1 ng/g lipid weight (lw)) was significantly higher than that of the general population (1.39 ng/g lw) (Mann–Whitney U Test, p < 0.05), which is similar to the ∑PAH levels (1286 ng/g lw for firefighters and 1016 ng/g lw for the general population). Individual OH-PAH levels showed 2.1- to 4.2-fold increases in postfire urine samples compared to the control urine samples, with the mean ∑OH-PAHs being significantly higher in postfire urine samples (22,658 ng/g creatinine) than in the control urine samples (10,253 ng/g creatinine) (Mann–Whitney U test, p < 0.05). It was found that ∑PBDEs correlated with firefighters’ length of service and years dedicated to on-site dispatch, while ∑OH-PAHs was strongly associated with firefighters’ exposure duration, age, length of service, and years dedicated to on-site dispatch. Indeed, the results of the present study indicate that Korean firefighters are prone to elevated risk of exposure to toxic combustion-related pollutants compared with the general population.
中文翻译：
通过测量血清和尿液中的多环芳烃代谢物来评估韩国消防员接触多溴二苯醚和多环芳烃的情况
本研究调查了韩国消防员职业暴露于一系列燃烧相关污染物的情况。对多溴二苯醚 (PBDE) 和多环芳烃 (PAH) 的暴露通过测量其在血清和尿液中的代谢物（即单羟基化多环芳烃、OH-多环芳烃）中的水平来评估。消防员血清中 ∑PBDEs 的平均水平（17.1 ng/g 脂质重量（lw））显着高于一般人群（1.39 ng/g lw）（Mann-Whitney U Test，p< 0.05)，这与 ∑PAH 水平相似（消防员为 1286 ng/g lw，一般人群为 1016 ng/g lw）。与对照尿样相比，火灾后尿样中的个体 OH-PAH 水平增加了 2.1 至 4.2 倍，火灾后尿样中的平均 ∑OH-PAH 水平（22,658 ng/g 肌酐）显着高于对照尿样样品（10,253 ng/g 肌酐）（Mann–Whitney U 检验，p< 0.05)。研究发现，∑PBDEs 与消防员的服务年限和现场派遣年限相关，而 ∑OH-PAHs 与消防员的暴露时间、年龄、服务年限和现场派遣年限密切相关. 事实上，本研究的结果表明，与一般人群相比，韩国消防员暴露于有毒燃烧相关污染物的风险更高。
更新日期：2021-10-19
中文翻译：
通过测量血清和尿液中的多环芳烃代谢物来评估韩国消防员接触多溴二苯醚和多环芳烃的情况
本研究调查了韩国消防员职业暴露于一系列燃烧相关污染物的情况。对多溴二苯醚 (PBDE) 和多环芳烃 (PAH) 的暴露通过测量其在血清和尿液中的代谢物（即单羟基化多环芳烃、OH-多环芳烃）中的水平来评估。消防员血清中 ∑PBDEs 的平均水平（17.1 ng/g 脂质重量（lw））显着高于一般人群（1.39 ng/g lw）（Mann-Whitney U Test，p< 0.05)，这与 ∑PAH 水平相似（消防员为 1286 ng/g lw，一般人群为 1016 ng/g lw）。与对照尿样相比，火灾后尿样中的个体 OH-PAH 水平增加了 2.1 至 4.2 倍，火灾后尿样中的平均 ∑OH-PAH 水平（22,658 ng/g 肌酐）显着高于对照尿样样品（10,253 ng/g 肌酐）（Mann–Whitney U 检验，p< 0.05)。研究发现，∑PBDEs 与消防员的服务年限和现场派遣年限相关，而 ∑OH-PAHs 与消防员的暴露时间、年龄、服务年限和现场派遣年限密切相关. 事实上，本研究的结果表明，与一般人群相比，韩国消防员暴露于有毒燃烧相关污染物的风险更高。
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