Fig. 2From: Intelligence gain and social cost savings attributable to environmental lead exposure reduction strategies since the year 2000 in Flanders, BelgiumBlood lead levels in the Flemish Environment and Health Studies: Probability density function of blood lead levels (B-Pb) in adolescents sampled during the Flemish Environment and Health Studies (FLEHS). The shaded area demonstrates the percentage of the population with B-Pb above 20 μg/L (vertical dotted line) which is annotated by the arrowsBack to article page