Investigation on Blood Lead Level of Children Aged 3-14 Years in Guangdong Province
- VernacularTitle:广东省部分地区3~14岁儿童血铅水平调查
- Author:
Jiemin ZHU
;
Wenjun MA
;
Xuxia LIANG
- Publication Type:Journal Article
- Keywords:
Lead;
Metals,heavy;
Children
- From:
Journal of Environment and Health
2007;0(07):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To know the blood lead level of children aged 3-14 years in some areas of Guangdong province. Methods Stratified-clustered-random sampling and simple random sampling were used. 1905 children aged 3-14 years were chosen from Guangzhou,Shenzhen,Shaoguan,Zhaoqing and Lianping and the blood lead level was tested by ICP-MS. Results The mean lead level of children aged 3-14 years was 69.55 ?g/L. The rate of exceed standard limit of blood lead was 16.4% (≥100 ?g/L). The differences of the blood lead level and the rate of lead poisoning of children among different areas were significant. The blood lead level and the rate of lead poisoning of children in Shaoguan were highest in the investigated areas. The blood lead level and the rate of lead poisoning of children aged 3 years were higher than those in the other age groups. The blood lead level of boys was higher than that of girls. Conclusion The blood lead level and the rate of children lead poisoning in the underdeveloped cities and rural areas are higher.