서비스직 근로자들의 영수증 접촉 정도에 따른 비스페놀A 노출량 조사
Exposure to Bisphenol A through Contact with Thermal Receipts among Service Industry Workers
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Objectives: Bisphenol A, or BPA, is a chemical component in polycarbonate plastic with which many peoplecome into contact every day. A great deal of controversy has arisen over its safety since this material, which isknown to disrupt the human endocrine system and cause neurological difficulties and cancer, is commonplacein beverage containers, food can liners, and receipt paper rolls. In this study, we determined the levels ofexposure to BPA of workers in the service industry depending on the number of receipts contacted. Methods: The participants were 16 male and 18 female workers employed in the service industry. Using aquestionnaire, we investigated general and job characteristics. Urine samples were collected and analyzed by theLC-MS/MS technique after enzymatic hydrolysis and solid phase extraction (SPE). Results: The geometric mean (GM) concentration of urinary BPA from all subjects was 1.02 ng/ml. Workerswere exposed significantly to more BPA according to the number of receipts they contacted, their workexperience, and working hours per day. The BPA concentration of those who touched more than 100 receiptsper day was 3.09 ng/ml, while that of the other participants was 0.61 ng/ml. It was shown that wearing glovescan protect from BPA exposure. Conclusion: We determined the urinary BPA concentrations of workers in service industry and found that thecontact with receipts could increase the BPA exposure of service workers.
Abstract
Objectives: Bisphenol A, or BPA, is a chemical component in polycarbonate plastic with which many peoplecome into contact every day. A great deal of controversy has arisen over its safety since this material, which isknown to disrupt the human endocrine system and cause neurological difficulties and cancer, is commonplacein beverage containers, food can liners, and receipt paper rolls. In this study, we determined the levels ofexposure to BPA of workers in the service industry depending on the number of receipts contacted. Methods: The participants were 16 male and 18 female workers employed in the service industry. Using aquestionnaire, we investigated general and job characteristics. Urine samples were collected and analyzed by theLC-MS/MS technique after enzymatic hydrolysis and solid phase extraction (SPE). Results: The geometric mean (GM) concentration of urinary BPA from all subjects was 1.02 ng/ml. Workerswere exposed significantly to more BPA according to the number of receipts they contacted, their workexperience, and working hours per day. The BPA concentration of those who touched more than 100 receiptsper day was 3.09 ng/ml, while that of the other participants was 0.61 ng/ml. It was shown that wearing glovescan protect from BPA exposure. Conclusion: We determined the urinary BPA concentrations of workers in service industry and found that thecontact with receipts could increase the BPA exposure of service workers.
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