本文采集并分析了新疆准东煤矿开采区域6个采样点的降尘、土壤和植物的样品,对样品中16种多环芳烃(PAHs)的含量进行了分析,结果显示,降尘中∑PAHs在1.07-8.34 mg·kg-1间;土壤中(除1#点位)∑PAHs在0.134-1.06 mg· kg-1间;植物中(除1#点位)∑PAHs在0.163-1.54 mg·kg-1间.降尘中高含量PAHs主要为苯并[b]荧蒽、菲和萘;土壤中高含量PAHs主要为菲、荧蒽和蒽;植物中高含量PAHs主要为萘、菲和芴.降尘、土壤及植物中PAHs均显示出富三环的特征;研究区域土壤中PAHs的苯并(a)芘等效毒性当量结果显示,研究区域土壤中PAHs的污染存在一定的潜在风险.
Atmospheric dusfall,soil and plant sanples were collected in 6 locations in Zhundong coal mining area,and analyzed for 16 polycyclic aromatic hydrocarbons (PAHs).The results showed that Σ PAHs was 1.07-8.34 mg· kg-t in the dustfall,0.134-1.06 mg· kg-t in soil (except 1 #sample point) and 0.163-1.54 mg· kg-1 in plant (except 1#sample point).High levels of PAHs were mainly for BbF,Phe and Nap in the dustfall,Phe,Fla and Ant in the soil,and Nap,Phe and Flu in the plants.All the samples were rich with 3-ring PAHs.BAP equivalent TEQ results of the PAHs in the soil suggest certain potential risks.
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