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Announcement: Federally Assisted Housing Standards for Blood Lead Levels Aligned with CDC-Recommended Threshold

Weekly / February 10, 2017 / 66(5);147


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On January 13, 2017, the U.S. Department of Housing and Urban Development (HUD) lowered the threshold of lead in young children’s blood that triggers interventions to evaluate and control exposure hazards from 20 μg/dL to 5 μg/dL, matching the reference level used by CDC (1). The rule includes a process to continue HUD alignment with any future updates to CDC’s reference level (1).

There is no known safe level of childhood lead exposure (2). Lead exposure can affect nearly every body system (2). Even low blood lead levels can damage a child’s brain and nervous system, slow growth and development, cause hearing and speech problems, and affect intelligence quotient (IQ), academic achievement, and behavior (3). Lead poisoning also places a social and economic burden on families, communities, and the nation, estimated at $192–270 billion over the lifetime of the cohort of U.S. children aged ≤6 years (3). Lead control programs are highly cost effective: for every dollar spent, $17–$221 is returned in health benefits, increased IQ, higher lifetime earnings and tax revenue, reduced spending on special education, and reduced criminal activity (3).

Despite significant reductions in lead poisoning over the last several decades, homes remain the primary sources of childhood lead exposure. Approximately 24 million U.S. homes contain deteriorated lead-based paint and lead-contaminated house dust (4); even conservative estimates suggest that >535,000 children aged <5 years have blood lead levels high enough to damage their health (5). HUD estimates that 57,000 housing units affected by the rule have lead-based paint hazards and are occupied by children aged <6 years (6).

Additional information about childhood lead poisoning prevention is available at https://www.cdc.gov/nceh/lead/.

Corresponding author: Jared B. Fox, jaredfox@cdc.gov, 404-639-7620.

1Office of Policy, Planning, and Partnerships, National Center for Environmental Health, CDC.

References

  1. Office of the Secretary, US Department of Housing and Urban Development. Requirements for notification, evaluation and reduction of lead-based paint hazards in federally owned residential property and housing receiving federal assistance; response to elevated blood lead levels. Final rule. Fed Regist 2017;82:4151–72. PubMed
  2. CDC; Advisory Committee on Childhood Lead Poisoning Prevention. Low level lead exposure harms children: a renewed call for primary prevention. Atlanta, GA: US Department of Health and Human Services, CDC, Advisory Committee on Childhood Lead Poisoning Prevention; 2012. https://www.cdc.gov/nceh/lead/ACCLPP/Final_Document_030712.pdf
  3. Gould E. Childhood lead poisoning: conservative estimates of the social and economic benefits of lead hazard control. Environ Health Perspect 2009;117:1162–7. CrossRef PubMed
  4. US Department of Housing and Urban Development. National survey of lead and allergens in housing, volume I, revision 7.1: analysis of lead hazards. Washington, DC: US Department of Housing and Urban Development; 2002.
  5. Wheeler W, Brown MJ. Blood lead levels in children aged 1–5 years—United States, 1999–2010. MMWR Morb Mortal Wkly Rep 2013;62:245–8. PubMed
  6. Office of Lead Hazard Control and Healthy Homes, US Department of Housing and Urban Development. Requirements for notification, evaluation and reduction of lead-based paint hazards in federally owned residential property and housing receiving federal assistance; response to elevated blood lead levels. Fed Regist 2016;81:60304–29.

Suggested citation for this article: Announcement: Federally Assisted Housing Standards for Blood Lead Levels Aligned with CDC-Recommended Threshold. MMWR Morb Mortal Wkly Rep 2017;66:147. DOI: http://dx.doi.org/10.15585/mmwr.mm6605a4.

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