Exhibit 158 · National biomonitoring study
Exposure to glyphosate in the United States: data from the 2013–2014 National Health and Nutrition Examination Survey
These first nationally representative data suggest that over four-fifths of the U.S. general population ≥ 6 years experienced recent exposure to glyphosate.
CDC scientists measured glyphosate in 2,310 stored urine samples from a representative one-third subsample of NHANES 2013–2014 participants aged six and older. The weighted detection frequency was 81.2 percent, with a limit of detection of 0.20 µg/L and a maximum of 8.13 µg/L. The authors concluded that these first nationally representative data suggest over four-fifths of the US population aged six and older had recent exposure to glyphosate.
- Source
- Maria Ospina, Antonia M. Calafat et al., Centers for Disease Control and Prevention; Environment International 170:107620
- Date
- November 2022
- Quoted from
- Abstract, Conclusions (Environ Int 170:107620; open-access copy PMC10240384)
- Grade
- Peer-reviewed
- Document
- https://doi.org/10.1016/j.envint.2022.107620
- Accessed
- 2026-11-09
- Cited by
- Findings citing this exhibit