相关实验视频

Updated: Jun 3, 2025

Laboratory Estimation of Net Trophic Transfer Efficiencies of PCB Congeners to Lake Trout Salvelinus namaycush from Its Prey

Laboratory Estimation of Net Trophic Transfer Efficiencies of PCB Congeners to Lake Trout Salvelinus namaycush from Its Prey

Published on: August 29, 2014

来自尼日利亚常见燃料的多双 (PCB)

Jamiu Adetayo Adeniran¹, Basheerah Folake Jimoh¹, Ayodele Sarat Atanda¹

¹Environmental Engineering Research Laboratory, Department of Chemical Engineering, University of Ilorin, Ilorin, Nigeria.

Journal of occupational and environmental hygiene

|January 8, 2025

概括

常见的燃料将有害的多二 (PCB) 释放到空气中,对健康构成重大风险. 这项研究发现,尼日利亚的成人和儿童暴露于燃料中的PCB排放超过了安全限值.

科学领域:

环境化学环境化学
毒理学毒理学毒理学
公共卫生公共卫生

背景情况:

燃料是环境污染物的重要来源,包括多二 (PCB) 等持久性有机污染物.
PCBs因其对环境的持久性和对人类健康的有害影响而闻名,包括致癌和非致癌风险.
室内空气质量是一个主要问题,特别是在依赖传统燃料的地区.

研究的目的:

调查尼日利亚使用的八种常见燃料的烟雾中15种特定的PCB同源的存在和度.
评估因吸入这些PCB同源的成人和儿童的健康风险,包括致癌和非致癌风险.
为减轻与燃料排放相关的健康风险提供数据驱动的建议.

主要方法:

在8种燃料的控制燃烧过程中,使用玻璃纤维过器收集空气排放.
在采集的烟雾样本中分析PCB同源物,使用气体染色学质谱法 (GC-MS).
定量健康风险评估,包括危险系数 (HQ) 和成人和儿童的增量终身癌症风险 (ILCR) 计算.

主要成果:

在所有被调查的燃料的烟雾中检测到PCB同源.
成人和儿童的计算危险系数 (HQ) 值超过了可接受的1的极限,这表明存在显著的非致癌风险.
成人的增量终身癌症风险 (ILCR) 值很大,儿童的风险同样很高,突出了致癌的担忧.

结论:

在尼日利亚,使用常见的燃料导致吸入PCB的暴露,其水平构成不可接受的健康风险.
需要采取紧急干预措施,以减少对燃料有害排放的暴露.
促进清洁技术,政策变化,公众意识和进一步的研究是关键的建议.

关键词:

排放水平排放水平排放水平二氧化二氧化的使用情况风险曝光评估风险曝光评估危害健康的风险毒性等效的毒性等效.

更多相关视频

Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India

Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India

Published on: December 23, 2022

Characterization, Quantification and Compound-specific Isotopic Analysis of Pyrogenic Carbon Using Benzene Polycarboxylic Acids BPCA

Characterization, Quantification and Compound-specific Isotopic Analysis of Pyrogenic Carbon Using Benzene Polycarboxylic Acids BPCA

Published on: May 16, 2016

相关概念视频

Types of Toxins

Types of Toxins

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...

Bioremediation

Bioremediation

Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.