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评估职业暴露于柴油灰排气气体的关键问题
Giuseppina Folesani1, Monica Gherardi1, Maricla Galetti1
1Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, INAIL - Italian Workers' Compensation Authority, Via Fontana Candida 1, 00078 Monte Porzio Catone, Rome, Italy.
意大利法令将柴油发动机废气 (DDE) 归类为致癌物,并设定了暴露限值. 元素碳 (EC) 是一个拟议的DDE标记物,但其分析和解释面临挑战,质疑已有的工作场所限制.
科学领域:
- 职业健康和安全问题 职业健康和安全问题
- 环境科学 环境科学
- 分析化学 分析化学
背景情况:
- 2021年2月11日的意大利政府间法令将柴油发动机废气 (DDE) 认定为职业致癌物.
- 确定了DDE的职业暴露限值,需要可靠的暴露监测方法.
研究的目的:
- 评估元素碳 (EC) 作为柴油发动机排气 (DDE) 暴露的标记物的适用性.
- 讨论在职业环境中EC确定和解释的挑战和影响.
- 评估EC所确定的职业暴露限值是否合适.
主要方法:
- 使用传统的热光学分析技术确定元素碳 (EC).
- 对职业环境中的EC分析和解释现有文献的综述.
- 建立的EC职业暴露限值与最近的暴露数据的比较.
主要成果:
- 原始碳 (EC) 被提议作为柴油发动机排气 (DDE) 的标记物.
- 在EC分析中的挑战包括实验室的可用性有限和缺乏参考值.
- 与当前的暴露数据相比,EC (0.050 mg/m3) 的确定的工作场所极限可能过高.
结论:
- 由于分析和解释方面的困难,EC作为DDE追踪器的实际应用受到阻碍.
- 根据最近的发现,目前EC的职业暴露限值值值得重新评估.
- 需要进一步的研究,以完善EC测量和解释,以便有效的职业卫生和医学.
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