Assessment of polycyclic aromatic hydrocarbon (PAH) levels and health risks in kitchen dust from wood, kerosene, and gas cooking systems in Cumilla, Bangladesh

IF 5.4 Q2 ENGINEERING, ENVIRONMENTAL
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Abstract

This study investigates the presence of polycyclic aromatic hydrocarbons (PAHs) in kitchen dust from households in the Cumilla District of Bangladesh, utilizing three different cooking systems: wood, kerosene, and gas. Sixty dust samples were collected from various kitchen surfaces and analyzed for 18 PAH compounds. The extraction and analysis of PAHs were performed using gas chromatography-mass spectrometry (GC-MS) with selective ion monitoring (SIM) mode. The results indicated significant variations in PAH concentrations across different cooking systems, with the highest levels observed in kitchens using wood stoves, followed by kerosene and gas stoves. Diagnostic ratios were used to identify the sources of PAHs, revealing a combination of pyrogenic and petrogenic origins. Health risk assessments, including Incremental Lifetime Cancer Risk (ILCR) and Hazard Index (HI), were conducted to evaluate the potential risks associated with PAH exposure. The findings demonstrated a higher carcinogenic risk associated with wood stove systems, while kerosene and gas systems posed comparatively lower risks. The study's findings have practical implications for public health and policy development, as they underscore the need for continuous monitoring of indoor PAH levels and the development of policies to mitigate exposure, highlighting the critical importance of addressing indoor pollution to ensure public health safety.

Abstract Image

评估孟加拉国库米拉地区木柴、煤油和燃气烹饪系统产生的厨房灰尘中的多环芳烃 (PAH) 含量和健康风险
本研究调查了孟加拉国库米拉区家庭厨房灰尘中存在的多环芳烃 (PAH),这些家庭使用了三种不同的烹饪系统:木柴、煤油和煤气。从不同的厨房表面收集了 60 份灰尘样本,并对其中的 18 种 PAH 化合物进行了分析。多环芳烃的提取和分析采用气相色谱-质谱法(GC-MS)和选择离子监测(SIM)模式。结果表明,不同烹饪系统的多环芳烃浓度差异很大,使用木炉的厨房多环芳烃浓度最高,其次是煤油炉和煤气炉。诊断比率用于确定多环芳烃的来源,揭示了热源和石化源的结合。为评估与多环芳烃接触相关的潜在风险,进行了健康风险评估,包括增量终生癌症风险 (ILCR) 和危害指数 (HI)。研究结果表明,木炉系统的致癌风险较高,而煤油和燃气系统的风险相对较低。研究结果对公共卫生和政策制定具有实际意义,因为它们强调了持续监测室内多环芳烃水平和制定政策以减少暴露的必要性,突出了解决室内污染以确保公共卫生安全的极端重要性。
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来源期刊
Journal of hazardous materials advances
Journal of hazardous materials advances Environmental Engineering
CiteScore
4.80
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