4. The prevalence of very high blood lead levels among young children declined significantly between 1984 and 1994 primarily because the removal of lead from gasoline.5. Occupational exposure is a major source of lead intake for adults.
4. The prevalence of very high blood lead levels among young children declined significantly between 1984 and 1994 primarily because the removal of lead from gasoline. 5. Occupational exposure is a major source of lead intake for adults.