这是一个PFAS的难题 - - 逻辑,科学,政策的难题
Jaap C Hanekamp1, Lucas Bergkamp2, William M Briggs3
1Independent Researcher, 2725 NA Zoetermeer, The Netherlands.
Toxics
|October 28, 2025
概括
欧盟拟议的对多和多基物质 (PFAS) 的普遍禁令缺乏科学严谨性,可能会造成过度的成本. 该禁令忽视了危害和风险之间的关键区别,可能超过健康和环境效益.
科学领域:
- 环境化学环境化学
- 毒理学 毒理学 毒理学
- 监管科学 监管科学
背景情况:
- 欧盟已经提出全面禁止所有化和多化物质 (PFAS).
- 本提案涵盖了PFAS的广泛定义,根据松散的基于科学方法的方法分组它们.
- 人们对这一普遍禁令的科学有效性和监管影响存在担忧.
研究的目的:
- 批判性地评估拟议的欧盟PFAS禁令的科学,哲学,监管和政策基础.
- 检查支持PFAS分组和拟议限制的科学数据.
- 根据REACH法规的要求和公共政策考虑来评估该提案.
主要方法:
- 对科学文献的审查和审查,包括对PFAS的流行病学和动物研究.
- 对将所有PFAS组合在一起的科学基础的分析.
- 检查复杂矩阵中检测和量化PFAS的分析挑战.
- 评估该提案的危险和风险评估之间的区别.
主要成果:
- 科学数据不充分支持拟议的PFAS禁令的广泛定义和严格限制.
- 标志性论文中关于免疫毒性的说法被发现没有充分的依据,而且在方法上缺乏.
- 分析挑战,包括高的实验不确定性,使PFAS检测和量化复杂化.
- 该提案忽视了危险和风险之间的关键区别,根据持久性将所有PFAS视为危险.
结论:
- 拟议的普惠PFAS禁令在科学上是可疑的,因为证据基础薄弱,分组方法有缺陷.
- 该禁令未能满足REACH法规的要求,特别是关于对不可接受风险的评估.
- 拟议禁令的潜在成本可能会超过对人类健康和环境的好处,这使得它从公共政策的角度来看具有问题.
相关概念视频
Confounding in Epidemiological Studies
570
Confounding in statistical epidemiology represents a pivotal challenge, referring to the distortion in the perceived relationship between an exposure and an outcome due to the presence of a third variable, known as a confounder. This variable is associated with both the exposure and the outcome but is not a direct link in their causal chain. Its presence can lead to erroneous interpretations of the exposure's effect, either exaggerating or underestimating the true association. This...
570
Strategies for Assessing and Addressing Confounding
356
Confounding is a critical issue in epidemiological studies, often leading to misleading conclusions about associations between exposures and outcomes. It occurs when the relationship between the exposure and the outcome is mixed with the effects of other factors that influence the outcome. Given that, addressing confounding is of high importance for drawing accurate inferences in research.
Confounding can be addressed at both the design phase of a study and through analytical methods after data...
Confounding can be addressed at both the design phase of a study and through analytical methods after data...
356
Social Traps
26.3K
Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned...
26.3K
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
281
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
281
Decision Making: P-value Method
6.8K
The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
6.8K
Framing Effects
7.9K
Information is everywhere and its presentation—such as how and when items are presented—can impact our perceptions and decisions surrounding the info. This broad concept umbrellas framing effects—influences that occur due to the way information is framed in its appearance, whether it’s purely the order or the specific wording of a message. Let’s take a look at numerous ways in which two versions of something can objectively say the same thing, yet we respond in...
7.9K


