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Even though the New York City Housing Authority has been under a microscope for flouting lead-paint safety regulations for years, the exact number of children residing in public housing poisoned by lead was never disclosed. Over the weekend, the city department of health offered a number: It said that 820 children younger than 6 were found to have elevated levels of lead in their blood between 2012 and 2016. (Ferre-Sadurni, 7/1)

Cleveland officials made a pendulum-like swing in June.They went from slowly and reluctantly enforcing state laws designed to warn residents about lingering lead hazards, to cracking down so swiftly that hundreds of families wondered if they'd be forced to leave the homes they owned and rented. (Dissell and Zeltner, 7/1)

State and local leaders say The School District of Philadelphia will get $15.6 million to remove lead, mold and asbestos at 57 school buildings around the city. Pennsylvania Gov. Tom Wolf made the funding announcement Friday. He was joined by Mayor Jim Kenney, Superintendent William Hite and other officials. Hite says, "The health and safety of our students is critical." (6/29)