The Secretary of Health and Human Services (hereafter in this subsection referred to as the “Secretary”), acting through the Director of the Centers for Disease Control,
1
So in original. The comma probably should not appear.
(CDC), and the Director of the National Institute of Environmental Health Sciences, shall jointly conduct a study of the sources of lead exposure in children who have elevated blood lead levels (or other indicators of elevated lead body burden), as defined by the Director of the Centers for Disease Control.