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Full-Text Articles in Social and Behavioral Sciences
Spatial Distribution Of Lead In Sacramento, California, Usa, Michael J. Solt, Daniel M. Deocampo, Michelle Norris
Spatial Distribution Of Lead In Sacramento, California, Usa, Michael J. Solt, Daniel M. Deocampo, Michelle Norris
Geosciences Faculty Publications
Chronic exposure to lead remains a health concern in many urban areas; Sacramento, California is one example, with state surveillance data showing nearly 3% of screened children reported with blood lead levels over 4.5 μg/dL in 2009. To investigate the environmental exposure, 91 soil samples were collected and analyzed by ICP-AES and ICP-MS for 14 elements. An additional 28 samples were collected from areas of focus and analyzed by hand-held X-ray fluorescence spectrometry for Pb and Zn. Analysis of the metals data revealed non-normal distributions and positive skewness, consistent with anthropogenic input. In addition, high correlation coefficients (≥0.75) of metal …