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虽然生活在同一大环境中,儿童的血铅含量明显高于成人。中国预防医学科学院环境卫生监测所,通过对北京城区学龄前儿童及母亲或保育员等成年女性的血铅水平对比调查发现,儿童与成年女性的血铅比值为1:67。根据1988年全国28城市成年不吸烟女性的血铅值资料和城区儿童与成年女性血铅比值,可推算出我国城区儿童血铅大于100微克/升安全限值的人数约为51.6％。
Although living in the same environment, children’s blood lead levels were significantly higher than adults. Chinese Academy of Preventive Medicine Environmental Health Monitoring Institute, through the Beijing urban preschool children and mothers or nurseries and other adult women, blood lead level comparison survey found that children and adult women blood lead ratio of 1:67. According to the blood lead data of adult non-smoking women in 28 cities in China and the blood lead ratio of urban children to adult women in 1988, it can be estimated that 51.6% of the children in our country have the safety limits of blood lead exceeding 100 μg / L.