Source Apportionment and Human Health Risk Assessment of Polycyclic Aromatic Hydrocarbons in Vegetable Greenhouse Soils in Shenyang, China

IF 3.8 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

Water, Air, & Soil Pollution Pub Date : 2025-05-06 DOI:10.1007/s11270-025-08074-z

Xu Zhang, Xueying Song, Huiyu Zhang, Yongxia Hou, Yushuang Li, Xiaoxu Zhao

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Abstract

This study investigated the concentration levels of 16 PAHs listed in the USEPA in the soil of vegetable greenhouses in Shenyang City, Northeast China. Meanwhile, the carcinogenic risk of different pollution sources to the locals was based on the positive matrix factor method (PMF) and the incremental lifetime carcinogenic risks (ILCRs) model to clarify the main source of carcinogenic risk. Results showed that the total concentrations of 16 PAHs (ΣPAHs) in the soil of vegetable greenhouses were 38–1684 ng/g, with the mean values of 497 ng/g. The PMF revealed that PAHs contamination in the study area can be classified into 5 main sources, including diesel/coal combustion, biomass combustion, coking emission, gasoline combustion and petroleum source, accounting for 33.3%, 27.8%, 16.5%, 12.6% and 9.8% of the total sources of PAHs, respectively. Based on the results of PMF and ILCR models, the carcinogenic risk of PAHs pollution input pathways in the soil of vegetable greenhouses in Shenyang was quantified. Among the five input pathways, diesel/coal combustion sources had the highest risk, contributing 75.1% of the total carcinogenic risk, which requires special attention.

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沈阳市蔬菜大棚土壤中多环芳烃来源解析及人体健康风险评价

研究了沈阳市蔬菜大棚土壤中USEPA列出的16种多环芳烃的浓度水平。同时，基于正矩阵因子法（positive matrix factor method， PMF）和增量终生致癌风险（incremental lifetime carcinogenic risks, ILCRs）模型对不同污染源对当地居民的致癌风险进行分析，明确主要的致癌风险来源。结果表明：蔬菜大棚土壤中16种多环芳烃（ΣPAHs）的总浓度为38 ~ 1684 ng/g，平均值为497 ng/g；PMF结果表明，研究区多环芳烃污染可分为柴油/煤燃烧、生物质燃烧、焦化排放、汽油燃烧和石油源5个主要来源，分别占多环芳烃污染总量的33.3%、27.8%、16.5%、12.6%和9.8%。基于PMF和ILCR模型，对沈阳市蔬菜大棚土壤中多环芳烃污染输入途径的致癌风险进行了量化。在5种输入途径中，柴油/煤炭燃烧源的致癌风险最高，占总致癌风险的75.1%，需要特别关注。

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来源期刊

Water, Air, & Soil Pollution 环境科学-环境科学

CiteScore

4.50

自引率

6.90%

发文量

448

审稿时长

2.6 months

期刊介绍： Water, Air, & Soil Pollution is an international, interdisciplinary journal on all aspects of pollution and solutions to pollution in the biosphere. This includes chemical, physical and biological processes affecting flora, fauna, water, air and soil in relation to environmental pollution. Because of its scope, the subject areas are diverse and include all aspects of pollution sources, transport, deposition, accumulation, acid precipitation, atmospheric pollution, metals, aquatic pollution including marine pollution and ground water, waste water, pesticides, soil pollution, sewage, sediment pollution, forestry pollution, effects of pollutants on humans, vegetation, fish, aquatic species, micro-organisms, and animals, environmental and molecular toxicology applied to pollution research, biosensors, global and climate change, ecological implications of pollution and pollution models. Water, Air, & Soil Pollution also publishes manuscripts on novel methods used in the study of environmental pollutants, environmental toxicology, environmental biology, novel environmental engineering related to pollution, biodiversity as influenced by pollution, novel environmental biotechnology as applied to pollution (e.g. bioremediation), environmental modelling and biorestoration of polluted environments. Articles should not be submitted that are of local interest only and do not advance international knowledge in environmental pollution and solutions to pollution. Articles that simply replicate known knowledge or techniques while researching a local pollution problem will normally be rejected without review. Submitted articles must have up-to-date references, employ the correct experimental replication and statistical analysis, where needed and contain a significant contribution to new knowledge. The publishing and editorial team sincerely appreciate your cooperation. Water, Air, & Soil Pollution publishes research papers; review articles; mini-reviews; and book reviews.