Originally published on April 6, 2016 on Vox by Sarah Frostenson and Sarah Kliff.
Neighborhoods where kids face the highest risk of lead poisoning exist all across America.
The trouble is that exposure risk is surprisingly difficult estimate, due to avariety of state-by-state differences in reporting standards. So we worked with epidemiologists in Washington state to estimate risk levels in every geographic area in America.
Read the full story.