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Fourth national report on human exposure to environmental chemicals: updated tables, March 2018, Volume one
  • Published Date:
    April 3, 2018
  • Language:
    English
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Fourth national report on human exposure to environmental chemicals: updated tables, March 2018, Volume one
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  • Description:
    The data tables for most chemicals from the1999-2000 to 2009-2010 survey periods are located in one table. A second table includes 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 after 2003-2004, the first tables for a chemical presents results measured prior to 2005 in individual samples. The second table gives results for the pooled measurements.

    The Updated Tables, March 2018 provides data for 346 chemicals, of which 38 are new and 176 have data updated since the Updated Tables, January 2017. Many of the data tables include a link at the bottom to a biomonitoring summary that has information about a specific chemical or chemical group. Several listings also have a link to a factsheet about the chemical or chemical group. Two appendices are updated to include information pertinent to these chemicals and the other chemicals included in the Updated Tables (Appendix C. Limit of Detection Table; Appendix D. References for Biomonitoring Methods).

    The Fourth Report on Human Exposure to Environmental Chemicals, Updated Tables, March 2018 (the Updated Tables, March 2018) 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 f

    The data tables for most chemicals from the1999-2000 to 2009-2010 survey periods are located in one table. A second table includes 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 after 2003-2004, the first tables for a chemical presents results measured prior to 2005 in individual samples. The second table gives results for the pooled measurements.or Environmental Health) used mass spectrometry methods to obtain the blood, serum, and urine exposure measurements presented in the Report and Updated Tables.

    FourthReport_UpdatedTables_Volume1_Mar2018.pdf

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