PEDIATRICS Vol. 53 No. 2 February 1974, pp. 137-141
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Lead Contamination in Milks Fed to Infants: 1972-1973

Steven H. Lamm M.D.1 and John F. Rosen M.D.1

1 Department of Pediatrics, Albert Einstein College of Medicine, Montefiore Hospital and Medical Center, and Bronx Municipal Hospital Center, Bronx, New York

Previous studies have shown that lead content in commercial milks fed to infants may be sufficient to exceed the daily permissible intake of lead (300µg) for toddlers. Similar studies undertaken one year later have indicated a marked reduction in lead levels of such milks. Nevertheless, processed milks may still deliver up to 100µg of lead daily, whereas, in comparion, fresh human or homogenized bovine milk contains no detectable lead (<0.5µg/100 ml). The presented data suggest that lead contamination is introduced at any one of several processing steps and that milk containers are not a significant source of lead contamination. We propose that currently applied standards of lead in infant milks (six to ten times above the level of contamination) be reviewed.

Submitted on March 13, 1973
Accepted on August 16, 1973