폐기물 소각장 주변 지역 주민의 PBDEs 노출
Exposure to PBDEs among Residents Living in an Area Around a Solid Waste Incinerator
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초록
Background: Polybrominated diphenyl ethers (PBDEs) are used as flame retardants. Wastes burned in solid waste incinerators may contain flame retardants such as PBDEs. Therefore, it is important to study the PBDE exposure of residents in areas around solid waste incinerators. Objectives: This study aimed to analyze the serum PBDE concentration of residents living in an area around a solid waste incinerator and evaluate the factors that could affect PBDE exposure. Methods: The study areas included an exposure area around a solid waste incinerator and a control area (8.6 km away from the exposure area). Participants were 196 women in their 40s, 50s, and 60s, with 98 from each area. The survey investigated participants’ age, period of residence, drinking and smoking habits, menopause status, and parity. The medical examination included body mass index (BMI), thyroid stimulating hormone (TSH), and free thyroxine (Free T4). Twenty-two PBDE congeners were analyzed using gas chromatography (Agilent 7890B, Agilent, USA) and mass spectrometry (Xevo TQ-XS, Waters, USA). Mann-Whitney U and Kruskal-Wallis tests were used to compare the significant differences in serum PBDE concentrations by the characteristics of the participants. Multiple regression analysis was performed to evaluate the factors affecting PBDE exposure and the effect of serum PBDE concentration on TSH levels in serum (SAS 9.4). Results: There was a statistically significant difference in serum PBDE concentration by area, age, smoking habits, and menopause status. In the multiple regression analysis result, only the residential area was associated with the serum PBDE concentration. The serum TSH concentration was not associated with serum PBDE concentrations. Conclusions: The serum PBDE concentration of residents in the area around the solid waste incinerator was significantly higher than that of those in the control area. Based on this result it was assessed that the serum PBDE concentration of residents around the solid waste incinerator were affected by the incinerator.
Abstract
Background: Polybrominated diphenyl ethers (PBDEs) are used as flame retardants. Wastes burned in solid waste incinerators may contain flame retardants such as PBDEs. Therefore, it is important to study the PBDE exposure of residents in areas around solid waste incinerators. Objectives: This study aimed to analyze the serum PBDE concentration of residents living in an area around a solid waste incinerator and evaluate the factors that could affect PBDE exposure. Methods: The study areas included an exposure area around a solid waste incinerator and a control area (8.6 km away from the exposure area). Participants were 196 women in their 40s, 50s, and 60s, with 98 from each area. The survey investigated participants’ age, period of residence, drinking and smoking habits, menopause status, and parity. The medical examination included body mass index (BMI), thyroid stimulating hormone (TSH), and free thyroxine (Free T4). Twenty-two PBDE congeners were analyzed using gas chromatography (Agilent 7890B, Agilent, USA) and mass spectrometry (Xevo TQ-XS, Waters, USA). Mann-Whitney U and Kruskal-Wallis tests were used to compare the significant differences in serum PBDE concentrations by the characteristics of the participants. Multiple regression analysis was performed to evaluate the factors affecting PBDE exposure and the effect of serum PBDE concentration on TSH levels in serum (SAS 9.4). Results: There was a statistically significant difference in serum PBDE concentration by area, age, smoking habits, and menopause status. In the multiple regression analysis result, only the residential area was associated with the serum PBDE concentration. The serum TSH concentration was not associated with serum PBDE concentrations. Conclusions: The serum PBDE concentration of residents in the area around the solid waste incinerator was significantly higher than that of those in the control area. Based on this result it was assessed that the serum PBDE concentration of residents around the solid waste incinerator were affected by the incinerator.
참고문헌 (43)
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