DISTRIBUTION OF CHLORINATED HYDROCARBONS AND BTEX IN THE SHALLOW GROUNDWATER OF YANGTZE RIVER DEKTA,EASTERN CHINA
Chlorinated Hydrocarbons (CHs),BTEX are usually observed in oil industry .Here the distribution of them in shallow groundw-ater of Yangtze River Deha,easternChina,was investigated.A total of 389 groundwater samples were collected from domestic wells in 3years.8organic compounds were analyzed by HPLC.Tetrachloroethylene (PCE) was detected in about half of all the samples (42. 6％),foUowed by carbon letrachloridle (CT),trichloromethane (TCM) and trichloroethylene (TCE).BTEX were detected in approximate 20％ of the samples analyzed.Except for benzene and PCE.the other 6 compounds concentrations were all lower than those corresponding standards set by Chinese Environmental Protection Agency for drinking water.The maximum concentrations of benzene and PCE were 10.05μg/L and 1034μg/L,both of which were over two times of current drinking water standards (5.0μg/L).The detected results of samples collected on high-water season and low-water season were great different.lt also showed the wells near industries have more organic compounds and heavier pollution.Distribution of concerned compounds was related to land use style and oil use.The lighter pollution of shallow groundwater in study area may partly because of the higher anti-pollution capacity of unsaturated zone.
Shdlow groundwater BTEX,-Chlorinated hy drocarbons(CHs) Unsaturated zone.-Contamination
Binghua Li Xiaojuan Cao Xuehui Cui Honghan Chen
Beijing Hydraulic Research Institute Beijing,PRC China Institute of Geo - Environment Monitoring Beijing,PRC China University of Petroleum,Beijing Beijing,PRC China University of Geosciences ,Beijing Beijing,PRC
国际会议
The 3rd World Conference on Safety of Oil and Gas Industry(第三届世界石油天然气工业安全会议 WCOGI 2010)
北京
英文
274-279
2010-09-27（万方平台首次上网日期，不代表论文的发表时间）