- Bailus Walker: Environmental Health Administration, Government of the District of Columbia, and School of Human Ecology, Howard University, Washington, D.C. 20004.
A survey to determine the lead content of early-infant food sources was conducted in the District of Columbia, Samples were collected from various lots of national brands of infant formula and evaporated milk, cartons of nonfat dry milk, containers of homogenized cow's milk and human milk from volunteer mothers, Data indicate that the concentration of lead in infant formula, evaporated milk and nonfat dry milk exceeds that in fresh cow's milk and human milk.