平顶山市辖三县、三区,均为地方性甲状腺肿流行区。从1979年实行1/2万碘盐,连续四年后,于1984年进行碘盐防治效果考核,在全市范围内随机抽样采取饮用水标本220份,现将含碘水平分析报告如下。一、材料与方法 1.饮用水标本采集方法:以县、区为单位,根据以往地甲病调查资料,划分轻、 Pingdingshan jurisdiction over three counties, three districts, are endemic goiter epidemic area. Since 1979, the implementation of 1/2 million iodized salt, for four consecutive years, in 1984 for the iodized salt prevention and control effect of the assessment, the city’s random sampling of drinking water samples taken 220, now iodine level analysis report as follows. First, the material and methods 1. Method for collecting drinking water samples: County, district as a unit, according to the past, a disease survey data, division of light,