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乡镇电镀厂由于管理不善，缺少防护和处理设备，与居民区混杂，常导致环境污染，对居民健康造成威胁。为了解乡镇铬污染状况及对学龄儿童免疫功能的影响，作者在文安县进行了本次调查。l调查内容和方法1．1调查内容：对4个电镀厂村及3个对照村进行空气及水六价铬测定，以确定环
Township electroplating factories due to poor management, lack of protection and handling equipment, mixed with residential areas, often lead to environmental pollution, causing a threat to the health of residents. In order to understand the status of township chromium pollution and immune function of school-age children, the author conducted the survey in Wen’an County. Contents and Methods of Survey 1.1 Investigation Contents: Determination of hexavalent chromium in air and water in 4 electroplating factories and 3 comparison villages to determine the ring