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Fourth national report on human exposure to environmental chemicals: updated tables, January 2019, Volume one

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    • Corporate Authors:
      National Center for Environmental Health (U.S.). Division of Laboratory Sciences.
    • Description:
      The Fourth Report on Human Exposure to Environmental Chemicals, Updated Tables, January 2019 (the Updated Tables, January 2019) presents nationally representative, cumulative biomonitoring data gathered from 1999–2000 through 2015-2016. It includes all the data from each of the previous National Reports on Human Exposure to Environmental Chemicals and each of the previous Updated Tables (collectively, the Report and Updated Tables).

      In each survey period, the reported chemicals or their metabolites were measured in blood, serum, and urine samples from random subsamples of the National Health and Nutrition Survey (NHANES). These subsamples typically consisted of about 2,500 participants – exact numbers are included in the tables. Survey data and samples are collected by the Centers for Disease Control and Prevention (CDC’s) National Center for Health Statistics. CDC’s Environmental Health Laboratory (Division of Laboratory Sciences (DLS), National Center for Environmental Health) used mass spectrometry methods to obtain the blood, serum, and urine exposure measurements presented in the Report and Updated Tables.

      The data for chemicals with results from the 1999-2000 to 2009-2010 survey periods are located in one table. A second table begins with data from the 2011-2012 survey period. For example, blood lead data for 1999-2010 are shown in one table, followed by a second table showing blood lead data for 2011- 2014. Of note, not all chemicals have data for all survey cycles. Most of the table titles include the survey periods for which data are displayed in that table. For chemicals measured in pooled samples starting in 2005-2006, the first table for a chemical presents results measured prior to 2005 in individual samples. The second table gives results for the pooled measurements.

      CS272983-A

      FourthReport_UpdatedTables_Volume1_Jan2019-508.pdf

    • Subjects:
    • DOI:
      10.15620/cdc75822
    • Document Type:
      Report
    • Genre:
      Tables
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