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随着生活水平的提高 ,人们对生活饮用水质量越来越关注。我国现行水质标准的项目数和指标值 ,总体上低于发达国家和世界卫生组织规定的要求。而且有的城市完成国家水质标准的合格率不高 ,因此提高供水水质标准势在必行。一、国内水司对国家标准ＧＢ574 9- 1995《生活饮用水卫生
With the improvement of living standard, people pay more and more attention to the quality of drinking water. China’s current water quality standards for the number of projects and indicators are generally lower than the developed countries and the World Health Organization requirements. And some cities to complete the national water quality standards are not qualified, it is imperative to improve water quality standards. First, the domestic water division on the national standard GB574 9- 1995 "drinking water health