{"id":1206448,"name":"Blood lead concentration (1-5 year olds)","unit":"µg/dL","description":"This measures the median and 95th percentile of lead blood concentrations in 1-5 year olds in the United States.","createdAt":"2026-03-05T10:16:24.000Z","updatedAt":"2026-03-05T10:16:24.000Z","coverage":"","timespan":"1978-2016","datasetId":7438,"shortUnit":"µg/dL","columnOrder":0,"shortName":"blood_lead_concentration__1_5_year_olds","catalogPath":"grapher/health/2021/lead_blood_concentrations_in_usa__us_cdc/lead_blood_concentrations_in_usa__us_cdc#blood_lead_concentration__1_5_year_olds","type":"float","datasetName":"Lead blood concentrations in USA (US CDC)","datasetVersion":"2021","nonRedistributable":false,"display":{"name":"Lead blood concentrations in children","unit":"µg/dL","shortUnit":"µg/dL"},"schemaVersion":1,"presentation":{},"source":{"id":31142,"name":"Centers for Disease Control and Prevention; National Center for Health Statistics and National Center for Environmental Health; National Health and Nutrition Examination Survey","dataPublishedBy":"Centers for Disease Control and Prevention; National Center for Health Statistics and National Center for Environmental Health; National Health and Nutrition Examination Survey","dataPublisherSource":"","link":"https://www.epa.gov/americaschildrenenvironment/ace-biomonitoring-lead","retrievedDate":"2026-03-05","additionalInfo":"This measures the median and 95th percentile of lead blood concentrations in 1-5 year olds in the United States from the 1970s onwards.\n\n- Data is obtained from an ongoing continuous survey conducted by the National Center for Health Statistics.\n- Survey data are representative of the U.S. general population.\n- Lead is measured in blood samples obtained from individual survey participants."},"dimensions":{"years":{"values":[{"id":1978},{"id":1990},{"id":1993},{"id":2000},{"id":2002},{"id":2004},{"id":2006},{"id":2008},{"id":2010},{"id":2012},{"id":2014},{"id":2016}]},"entities":{"values":[{"id":239591,"name":"95th percentile","code":null},{"id":239590,"name":"Median","code":null}]}},"origins":[]}