I worked on this story behind the scenes - making a bunch of scripts and workflows that helped us organize and understand the data - and am glad to see it out in the world.
NEW: The EPA spent hundreds of millions on lead remediation in Omaha, home of the nation’s largest residential Superfund site. New soil tests by @flatwaterfreep.bsky.social and ProPublica show that years later, many yards still have harmful levels of lead.