Soil lead and children's blood lead levels in Syracuse, NY, USA

被引:97
作者
Johnson, DL
Bretsch, JK
机构
[1] SUNY ESF, Fac Chem, Syracuse, NY 13210 USA
[2] Natl Environm Educ & Training Fdn, Hlth & Environm Program, Washington, DC 20006 USA
关键词
blood lead; data aggregation; geographic distribution; regression models; soil lead; soil size fractions;
D O I
10.1023/A:1020500504167
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A geo-referenced data set of 12 228 first-time blood lead screening values for Syracuse, NY, children was established for the 4-year period 1992-1996. Soil lead values were measured in a 600 m by 600 m tessellation grid covering the city. The two data sets were merged for evaluation of relationships between them. Strong seasonal variation in blood lead levels suggests the importance of contaminated soils as an exposure source. When the data were aggregated at a large geographic scale (similar to3 km(2)), a logarithmic model showed an R-2 of > 0.65 for the regression of geometric mean blood lead on median soil lead values. Results showed a striking similarity to those obtained by Mielke et al. (1999) for a study in New Orleans, LA, USA.
引用
收藏
页码:375 / 385
页数:11
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