化学应急响应,规划和预防计划的基于健康的急性暴露指导值的推导实践框架
Lars Hareng1, Dominik Geiger1, Benjamin Spielmann1
1BASF SE, Ludwigshafen, Germany.
Journal of applied toxicology : JAT
|September 25, 2025
概括
本研究概述了一种方法,用于推导基于健康的急性暴露指导值 (AEGV),以加强化学品安全法规和应急规划. 该方法使用危险分类来确定可靠的值,特别是当特定毒性数据有限时.
科学领域:
- 环境健康和安全环境健康和安全
- 毒理学 毒理学 毒理学
- 化学品风险评估 化学品风险评估
背景情况:
- 工业化学事故需要强大的监管框架来控制危害和降低风险.
- 基于健康的急性暴露指导值 (AEGV) 对土地利用规划,工业设计和应急响应至关重要.
- 欧盟指令2012/18/EU (Seveso指令III) 要求建立这些安全基准.
研究的目的:
- 提出一种实用的方法来获得可靠的,基于健康的AEGV,符合Seveso指令III的要求.
- 确定急性暴露值水平-2 (AETL-2) 和AETL-3值,以防止严重的健康影响或死亡.
- 根据局部腐蚀性或刺激性作用,为缺乏特定吸入毒性数据的物质开发通用AEGV.
主要方法:
- 根据危险分类和现有AEGVs的等级使用来选择候选物质.
- 在必要时使用ACUTe EXposure项目方法来推导公司特定的AETL-2和AETL-3值.
- 从局部腐蚀性/刺激性分类中提取大约650种物质的AEGV相关信息,以从当地腐蚀性/刺激性分类中提取通用AEGV.
主要成果:
- 成功实施了一种用于导出基于健康的AEGV和AETL值的务实程序.
- 对于许多缺乏详细的吸入毒性数据的物质,使用局部腐蚀性/刺激性分类来获得通用AEGV.
- 观察到明显的相关性:较不严重的危害分类与较高的AEGV相对应,局部腐蚀性毒性是关键因素.
结论:
- 衍生的通用AEGV为决策提供了有价值的支持,并证实了AETL值在证据权重方法中的可信性.
- 这种方法加强了化学安全评估,特别是对于没有广泛的毒性数据的物质.
- 这些发现有助于提高化学行业的工业安全,土地利用规划和应急准备.
更多相关视频
相关概念视频
Toxic Reactions: Overview
1.8K
When toxic substances penetrate the human body, they disseminate to various tissues, undergoing metabolic changes. This process yields reactive metabolites that may covalently bind with specific target molecules, resulting in toxicity.
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
1.8K
Prevention of Further Absorption of Poison
1.2K
In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...
1.2K
Types of Toxins
3.2K
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
3.2K
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
407
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
407
Effects of Chemicals: Overview
2.0K
Drugs, encompassing various chemical compounds from natural sources, lab synthesis, or genetic engineering, elicit different biological responses in living organisms. Some of these responses are desirable or therapeutic, while others are undesirable. The primary goal of administering a drug is to achieve a therapeutic effect, that is, to address a specific disease or health condition. Any concurrent effects outside of this therapeutic outcome are considered undesirable. These undesirable...
2.0K


