安阳市农村饮用水高砷水源筛查

Screening of water arsenic in Anyang

目的掌握安阳市农村饮用水高砷水源分布,为地方性砷中毒防治提供科学依据。方法根据既往调查资料,在全市重点乡村进行饮水砷含量调查,水砷测定采用原子荧光光度法。结果在全市5个县(市)32个乡(镇)77个自然村采集水样1584份,水砷超标率1.33%(21/1584);发现滑县的9个村饮水砷含量超标,高砷水源呈灶状分布,高砷暴露人口8475人。结论在安阳市首次发现存在高砷水源,今后应继续开展高砷水源筛查和病情调查。

Objective To investigate the epidemical scope of the endemic arsenism in Anyang and provide a scientific evidence for control and prevention. Methods To detect the arsenic concentration in drinking - water , according to the fore- passsed result of drinking - water type endemic arsenic poisoning. Results Collect 1 584 water samples in 77 villages of 32 towns belonging to 5 countries in Anyang. There are 21 samples whose econcentrations of water arsenic overprooof, accounting for 1.33% （21/1 584） , 9 villages whose water arsenic is high in Huxian,8 475 people exposed to high arsenic. Conclusions First ientified high arsenic in Anyang. For the future it is necessary to screen high arsenic water and endemic arsenism areas.