What is already known about this topic?
No safe blood lead level (BLL) in children exists. Even low levels cause harm.
What is added by this report?
CDC updated the blood lead reference value (BLRV) to 3.5 μg/dL, which provides an opportunity for additional progress in addressing longstanding disparities in lead exposure and BLLs in children.
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Photo credit: CDC
CHEJ: Our Story
Sometime it’s good to reflect on how you got to where you are today. Here’s a short version of how CHEJ got to where we
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June 25, 2025