Scientific Publications

At a glance

Below you will find a variety of helpful resources, research, and data about childhood lead poisoning prevention.

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Note

Some of the documents below refer to a blood lead level of 5 micrograms per deciliter (μg/dL) as the CDC's blood lead reference value. CDC uses a blood lead reference value of 3.5 micrograms per deciliter to identify children with blood lead levels that are higher than most children's levels. This new level is based on the U.S. population of children ages 1-5 years who represent the top 2.5% of children with the highest blood lead levels. For more information, refer to blood lead reference value.

Some of the documents below may also refer to a blood lead level of 10 micrograms per deciliter (μg/dL) as the CDC level of concern for adverse health outcomes in children. This terminology is outdated, and readers are referred to the ACCLPP recommendations of 2012.

Some of the documents on this page are presented for historical purposes and are not being maintained or updated.

2021-present

CDC

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2016-2020

CDC

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2011-2015

CDC

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2001-2005

CDC

  • CDC. Blood Lead Levels in Residents of Homes with Elevated Lead in Tap Water—District of Columbia, 2004. MMWR. 2004; 53(12):268-270.
    • Addendum: Following the release of the MMWR, "Blood Lead Levels in Residents of Homes with Elevated Lead in Tap Water — District of Columbia, 2004," some reports have suggested erroneously that the Centers for Disease Control and Prevention has determined that lead in residential tap water at concentrations as high as 300 parts per billion is 'safe.' CDC would like to reiterate the key message from the 2004 article that because no threshold for adverse health effects in young children has been demonstrated (no safe blood level has been identified), all sources of lead exposure for children should be controlled or eliminated. Lead concentrations in drinking water should be below the U. S. Environmental Protection Agency's action level of 15 parts per billion. Read more about lead in drinking water.

Note

** These documents are being kept on this website for historical purposes and are no longer in print.