Lead in human blood and milk from nursing women living near a smelter in Mexico City
- 1 March 1993
- journal article
- research article
- Published by Taylor & Francis in Journal of Toxicology and Environmental Health
- Vol. 38 (3) , 225-232
- https://doi.org/10.1080/15287399309531714
Abstract
Lead levels in breast milk and blood were determined in women living within a 200‐m radius of 3 smelters in Mexico City. All samples were analyzed on a Perkin Elmer 460 atomic absorption spectrometer equipped with HCA 2200. The mean blood lead level was 45.88 μg/dl (SD 19.88 ng/dl), and the geometric mean of milk lead level was 2.47 μg/100 ml. The correlation coefficient of these two variables was 0.88. Using the mean value of lead found in breast milk, an infant of 5.5 kg would ingest 8.1 μg/kg/d in his diet. The daily permissible intake (DPI) established by the World Health Organization (WHO) in 1972 for an adult is 5.0 μg/kg/d.Keywords
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