正式电子废物拆卸工厂的皮肤暴露评估,用被动采样方法对阻燃剂和增塑剂进行皮肤暴露评估
A Balasch1, A Peris1, C Reche1
1Institute of Environmental Assessment and Water Research (IDAEA)-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain.
Environment international
|September 23, 2024
概括
电子废物回收工人暴露于阻燃剂和增塑剂. 衫和腕带显示有高水平的有机酸 (OPE),在CRT拆卸区域的度更高,这表明对一些工人存在潜在风险.
科学领域:
- 环境化学环境化学
- 职业健康 职业健康 职业健康
- 毒理学 毒理学 毒理学
背景情况:
- 电子废物回收包括拆卸和研磨,这些过程可以从添加剂中释放危险的有机化学物质.
- 阻燃剂和增塑剂,包括有机酸 (OPEs),聚化二乙烯 (PBDEs),新阻燃剂 (NBFRs) 和脱烯,通常用于电子元件中.
研究的目的:
- 为了评估加泰罗尼亚电子废物设施中工人的各种阻燃剂和增塑剂的暴露.
- 为了比较专门的阴极管 (CRT) 电视拆卸区域和一般的电子废物研磨区域之间的暴露水平.
- 评估与皮肤接触这些化学物质相关的致癌和非致癌风险.
主要方法:
- 使用T恤和腕带作为被动采样器来收集空气中的污染物.
- 对OPE,PBDE,NBFR和脱烯的存在和度进行分析的样本.
- 通过皮肤接触计算的估计每日摄入量 (EDI) 和评估的致癌 (CR) 和非致癌 (非CR) 风险.
主要成果:
- 在两种采样方法中检测到所有分析的化学品家族,其中OPE是最丰富的,其次是PBDE,NBFR和脱烯.
- 在CRT拆卸区域,化学物质度高于研磨区域.
- 虽然中位风险低于值,但在CRT地区发现了一个特殊的非致癌风险值,表明局部潜在风险.
结论:
- 使用T恤和腕带的被动采样有效地捕获了一系列污染物,而较粗的颗粒和挥发性化合物则发挥了补充作用.
- 在电子废物回收过程中,工人暴露于阻燃剂和增塑剂是很重要的,特别是在特定的拆卸操作中.
- 虽然整体风险似乎是可以管理的,但针对性监测和保护措施是正当的,对于高暴露区域的工人,如CRT拆解.
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