摘要
【目的】详细研究了沈阳市地下水饮用水源中挥发性有机物(VOCs)的种类与含量水平,并进行风险评价,为该地区地下水VOCs污染监管和治理提供参考。【方法】利用环境影响度评价、健康风险评价,分析了沈阳市饮用水水源VOCs的种类、含量分布、潜在危害及健康风险。【结果】研究区地下水中,26种VOCs中有12种被检出,其中卤代烃占大多数且二氯甲烷被检出率为100%,但其含量为痕量水平;工业园区周边及河流两岸的傍河水源VOCs检出种类和浓度相对较高,与点源污染及河流补给有关。【结论】沈阳市地下水源中VOCs,对人和环境的潜在危害不明显;各采样点无非致癌健康风险,致癌健康风险在可接受范围内。
【Objective】This study systematically investigated type,content level and risk assessment of volatile organic compounds(VOCs)in groundwater sources in Shenyang,so as to provide reference for the supervision and management of VOCs pollution in regional groundwater.【Method】Taking the groundwater source in Shenyang as the research object,the types,content distribution,potential hazards and health risks of VOCs in drinking water sources in Shenyang were analyzed through environmental impact assessment and health risk assessment.【Result】In the groundwater of the study area,12 out of 26 VOCs were detected,among which halogenated hydrocarbons accounted for the majority and the detection rate of dichloromethane was 100%,but its content was at a trace level.The types and concentrations of VOCs detected in riverside water sources on both sides of the river were relatively high,which were related to point source pollution and river recharge.【Conclusion】The potential harm of VOCs in groundwater sources in Shenyang to humans and the environment is not obvious;there is no non-carcinogenic health risk at each sampling point,and the carcinogenic health risk is within an acceptable range.
作者
贾文娟
JIA Wenjuan(Shenyang Ecological Environment Monitoring Center of Liaoning Province, Shenyang 110161, China)
出处
《湖南生态科学学报》
2022年第3期65-70,共6页
Journal of Hunan Ecological Science
基金
2021年度生态环境科研计划(2021030)。
关键词
挥发性有机物
分布特征
风险评价
volatile organic compounds
distribution characteristics
risk assessment
