Pollution Survey and Environmental Health Assessment of Lead in the Soil around Gas Stations in Jiaxing City

被引:0
|
作者
Ge Zhigang [1 ]
Zhang Yuejin [1 ]
机构
[1] Jiaxing Univ, Coll Biol Chem Sci & Engn, Jiaxing 314001, Zhejiang, Peoples R China
来源
PROGRESS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY, VOL III: PROCEEDINGS OF THE 2011 INTERNATIONAL SYMPOSIUM ON ENVIRONMENTAL SCIENCE AND TECHNOLOGY | 2011年
基金
中国国家自然科学基金;
关键词
gas station; soil; lead; pollution index; hazard evaluation;
D O I
暂无
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In this experiment, investigations and sampling actions were carried out on soil of 11 gas stations in hazing urban districts, by using the nitric acid hydrochloric acid - hydrofluoric acid mixed acid systems and dispeling the soil sample with the help of the microwave digestion instrument. Lead content was determined by applying the flame atomic absorption spectrophotometer. Soil lead pollution was appraised by using single factor pollution appraisal law and CDI pollution evaluation model. The results indicated that the lead content of soil of filling stations in Jinxing urban districts was 20.5-40.6mg/kg, with an average of 31.6mg/kg. According to the standard of local soil background value, Pb pollution index varied from 1.31 to 2.60. According to the higher standard of national soil environmental quality standards, Pb pollution index varied from 0.59 to 1.16. Analysis indicates that although the soil around the filling stations were polluted to various degrees, it was safe since the health hazard index risk of lead was far below 1.
引用
收藏
页码:837 / 841
页数:5
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