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报道了东莞市石碣镇 969名 2～ 6岁幼儿园入托儿童发铅含量的调查分析。结果显示 ,石碣镇幼儿园 2～ 6岁儿童发铅含量为 ( 1 0 51± 3 0 0 )× 1 0 - 6 ,儿童发铅≥ 1 0 0× 1 0 - 6 者占调查人数的 63 88% ;男、女童之间发铅水平无特别显著差异 ,但两者的高发铅比率有明显差异 ;5岁前后的儿童在发铅水平及高发铅比率方面均存在显著差异。通过发铅检测 ,可早期发现高发铅儿童 ,并及时采用干预措施 ,对预防儿童铅中毒是非常重要的
This paper reports the investigation and analysis of lead content in 969 kindergartens from 2 to 6 years old in Shijie Town, Dongguan City. The results showed that the lead content of children aged 2 ~ 6 years in Shijie Town kindergarten was (110 51 ± 3 0 0) × 10 6, and the number of children who sent lead ≥ 100 × 10 6 accounted for 63 88 %. There was no significant difference in hair lead levels between boys and girls, but there was a significant difference between the two. The children aged 5 and older had significant differences in hair lead level and lead-to-lead ratio. Lead detection by hair, early detection of high-lead children, and the timely use of interventions, prevention of childhood lead poisoning is very important