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September 29, 2023

Updated Tables – New and Updated Chemical Data Tables Available

CDC’s National Report on Human Exposure to Environmental Chemicals (referred to as the Report) includes summary data for chemicals that have results available from NHANES* starting with the 1999–2000 cycle. The Report is cumulative and includes all data tables previously published. This version of the Report:

  • Adds 5 data tables for 5 chemicals reported for the first time
  • Updates 66 data tables for 33 chemicals measured in urine and serum specimens

Chemicals reported for the first time include:

Adducts† (NHANES 2015-16)

Found in Analysis of Whole Blood, Serum, and Urine Samples, NHANES 1999-2018

  • Serum 3-Chlorotyrosine
  • Serum 3,5-Dichlorotyrosine

Terpenes (NHANES 2013-14)

Found in Analysis of Whole Blood, Serum, and Urine Samples, NHANES 1999-2018

  • Serum α-Pinene
  • Serum β-Pinene
  • Serum Limonene

Chemicals with updated data include:

Metals (NHANES 2017-18)^

Found in Analysis of Whole Blood, Serum, and Urine Samples, NHANES 1999-2018

  • Urinary Lead
  • Urinary Strontium
  • Urinary Uranium

Flame Retardant Metabolites (NHANES 2017-18)

Found in Analysis of Whole Blood, Serum, and Urine Samples, NHANES 1999-2018

  • Urinary 2-((isopropyl)phenyl) phenyl phosphate (iPPPP)
  • Urinary 4-((tert-butyl)phenyl)phenyl phosphate (tBPPP)

Pyrethroids, Herbicides, and Organophosphorus Metabolites (NHANES 2015-16)

Found in Analysis of Whole Blood, Serum, and Urine Samples, NHANES 1999-2018

  • Urinary trans-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropane carboxylic acid (trans-DCCA)
  • Urinary 4-Fluoro-3-phenoxybenzoic acid
  • Urinary 3-Phenoxybenzoic acid
  • Urinary 2,4-Dichlorophenoxyacetic acid
  • Urinary Malathion diacid (MDA)
  • Urinary 2-Isopropyl-4-methyl-6-hydroxypyrimidine (IMPY)
  • Urinary para-Nitrophenol
  • Urinary 3,5,6-Trichloro-2-pyridinol

Polychlorinated Dibenzo-p-dioxins (NHANES 2011-12)

Found in Analysis of Pooled Serum Samples for Select Chemicals, NHANES 2005-2016

  • Serum 1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin (HpCDD)
  • Serum 1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin (HxCDD)
  • Serum 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin (HxCDD)
  • Serum 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin (HxCDD)
  • Serum 1,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxin (OCDD)
  • Serum 1,2,3,7,8-Pentachlorodibenzo-p-dioxin (PeCDD)
  • Serum 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD)

Polychlorinated Dibenzofurans (NHANES 2011-12)

Found in Analysis of Pooled Serum Samples for Select Chemicals, NHANES 2005-2016

  • Serum 1,2,3,4,6,7,8-Heptachlorodibenzofuran (HpCDF)
  • Serum 1,2,3,4,7,8,9-Heptachlorodibenzofuran (HpCDF)
  • Serum 1,2,3,4,7,8-Hexachlorodibenzofuran (HxCDF)
  • Serum 1,2,3,6,7,8-Hexachlorodibenzofuran (HxCDF)
  • Serum 1,2,3,7,8,9-Hexachlorodibenzofuran (HxCDF)
  • Serum 2,3,4,6,7,8-Hexachlorodibenzofuran (HxCDF)
  • Serum 1,2,3,4,6,7,8,9-Octachlorodibenzofuran (OCDF)
  • Serum 1,2,3,7,8-Pentachlorodibenzofuran (PeCDF)
  • Serum 2,3,4,7,8-Pentachlorodibenzofuran (PeCDF)
  • Serum 2,3,7,8-Tetrachlorodibenzofuran (TCDF)

Dioxin-like Polychlorinated Biphenyls: coplanar PCBs (NHANES 2011-12)

Found in Analysis of Pooled Serum Samples for Select Chemicals, NHANES 2005-2016

  • Serum 3,4,4′,5-Tetrachlorobiphenyl (PCB 81)
  • Serum 3,3′,4,4′,5-Pentachlorobiphenyl (PCB 126)
  • Serum 3,3′,4,4′,5,5′-Hexachlorobiphenyl (PCB 169)

* National Health and Nutrition Examination Survey

† The category “Adducts of Hemoglobin” has been renamed “Adducts” as it now includes these two chlorinated tyrosine biomarkers, which are protein adducts.

^ Source data available through the NCHS Research Data Center

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