摘要
目的掌握自贡市城镇生活饮用自来水厂氯化消毒的现状,了解水中主要氯化消毒副产物的含量,以预防控制氯化消毒副产物可能给人体造成的健康危害。方法普查与抽样调查相结合。结果自贡市共有116个城镇生活饮用水厂,采用氯化消毒方法的52个。抽样调查34个水厂,抽检水样195件,合格76件,总合格率38.97%。三氯甲烷、二氯乙酸、卤代甲烷超标率分别为13.85%、6.15%、22.31%。结论自贡市采用氯化消毒的城镇生活饮用水存在一定的安全隐患。消除生活饮用水中的氯化消毒副产物可能产生对人的危害措施有:提高水源水质质量,更换消毒药,加强生活饮用水卫生管理和形成良好个人饮水卫生习惯等。
[Objective]To find out chlorination status of drinking water works in Zigong urban areas and chlorination by-products content in drinking water,and provide a scientific basis for preventing and controlling possible health hazards to human caused by chlorination by-products.[Method] combination of census and sample survey.[Results] There were 52 out of 116 drinking water works using chlorination method.We sampled 195 water from 34 waterworks from which 76 samples were qualified（the rate was 38.97%）.The excessive rate of Chloroform,Dichloroacetic acid and THMs were 13.85%,6.15% and 22.31% respectively.[Conclusion] The drinking water using chlorination in Zigong urban areas was of certain security risks.The measures to eliminate the harm caused by chlorination by-products in drinking water were such as improving the quality of water source and disinfection method,drinking water management strengthen,the formation of good personal habit of water drinking.
出处
《职业与健康》
CAS
2012年第2期226-228,共3页
Occupation and Health
基金
自贡市申报重点科技计划项目(项目编号:09Y05)
