# Results

## Chemical Group:Metals

• Measured in: Urine

### Project: Biomonitoring Exposures Study (BEST) - 2.Expanded

95% Confidence Interval Selected Percentiles
Chemical measured Indicates exposure to Units Number of people tested Geometric mean Lower Upper 25th 50th 75th 95th Detection frequency Limit of Detection (LOD), wet-weight
Tungsten Tungsten µg/L 218 0.0787 0.0667 0.0929 0.0401 0.0789 0.168 0.563 96.3% 0.00493 µg/L

### Footnotes

*Geometric mean was not calculated because the chemical was found in less than 65% of the study group.
*Geometric mean was not calculated because the chemical was found in less than 65% of the study group
**LOD changed during the time that samples were analyzed for this project.
# As of March 2013, PFBuS is no longer measured due to instrumental background interference.