考虑从WWTP释放的未测量微污染物用于潜在影响估计
R Servien1, K Bonnot2, E Latrille1
1INRAE, Univ. Montpellier, LBE, 102 Avenue des étangs, F-11000 Narbonne, France; ChemHouse Research Group, Montpellier, France.
The Science of the total environment
|August 16, 2023
概括
废水微型污染物甚至在检测限值以下也存在风险. 忽视这些未测量的物质导致对人类健康和生态系统的潜在影响的低估超过300%.
科学领域:
- 环境化学环境化学
- 生态毒理学 生态毒理学
- 公共卫生 公共卫生
背景情况:
- 废水中的微污染物被不完全清除,对人类健康和水生生物构成风险.
- 目前的风险评估低估了由于未测量度低于量化限度 (LOQ) 的影响.
研究的目的:
- 调查261种有机微污染物对法国人类健康和水生环境的潜在影响.
- 量化低估了不考虑未测量的微污染物度造成的风险.
主要方法:
- 利用来自不同LOQ的数据集的全球度分布来估计未测量的度.
- 评估了261种有机微污染物对人类健康和水生物群的潜在影响.
主要成果:
- 当不考虑未测量的微污染物时,潜在影响被大大低估了300%以上.
- 某些物质,如氨酸,恩德林和2,3,7,8-TetraCDD,即使在未测量的水平上也显示出高潜在影响.
- 使用LOQ/2来估计未测量的度导致潜在影响的高估.
结论:
- 精确评估微污染物风险需要考虑低于LOQ的度.
- 当前的风险评估方法可能会在使用标准公约对未测量的数据时高估影响.
- 结果可以适应不同的环境组件和地理区域.
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