扶绥肝癌高发与饮水有机污染关系的研究

Relationship Between Organic Pollution Water and Liver Cancer at Fusui in Guangxi

广西扶绥是我国肝癌高发县之一，病区居民主要饮用受严重有机物污染的塘水，塘水中的有机污染指标和某些有机组分均很高，如ＣＯＤ、ＢＯＤ、ＮＯ２－、腐殖酸（－ＯＨ）和亚硝胺等，而且与发病率呈显著的正相关关系。而石灰岩层中的深井水则相反，水质好，发病率很低。废弃塘水改饮石灰岩层深井水，可阻截水中的有害物和致癌物进入人体，以达到增进居民健康，预防肝癌的目的。

Fusui is one of high liver cancer morbidity countries in China. At there,the pond water to be drunk was polluted seriously by the some organic materials.We found that the major risk factors were COD,BOD,NO2 and Humic acid(-OH)and nitrosamine,The result of correlation analysis showed there were significant different of the death rate of liver cancer between the areas to be drunk pond water and deeply well water.Therefor,to prevented the liver cancer should be changed the pond water to deeply well water for drinking.