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对南阳市高层建筑二次供水卫生状况进行了调查 ,并制订了相应的管理对策 ,使其卫生状况有了很大的改观。1 调查内容与方法1.1 内容 南阳市二次供水的基本设施和水质状况 ,回顾性调查 2种肠道传染病本底发病情况。1.2 方法 按照《国家生活饮用水卫生标准》(即国标ＧＢ5 749
Nanyang high-rise buildings secondary water supply sanitation conditions were investigated and developed a corresponding management strategy to make its health has been greatly improved. 1 contents and methods of investigation 1.1 content Nanyang secondary water supply infrastructure and water quality status, retrospective investigation of two kinds of intestinal infectious disease background incidence. 1.2 Methods According to “national drinking water health standards” (ie national standard GB5 749