Results

Chemical Group: Phthalates

  • Measured in: Urine

Project: Biomonitoring Exposures Study (BEST) - 1.Pilot

Diverse group of smiling adults
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
MCHP Dicyclohexyl phthalate (DCHP) µg/L 109 * * * <LOD <LOD <LOD <LOD 1.83% 0.500 µg/L

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

Diverse group of smiling adults
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
MCHP Dicyclohexyl phthalate (DCHP) µg/L 218 * * * <LOD <LOD <LOD <LOD 0.459% 0.100 µg/L

Project: Firefighter Occupational Exposures (FOX) Project

Firefighters fighting flames, wearing full protective suits and holding large hoses spraying water
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
MCHP Dicyclohexyl phthalate (DCHP) μg/L 101 * * * <LOD <LOD <LOD <LOD 4.0% 0.50

Project: Maternal and Infant Environmental Exposure Project (MIEEP)

Pregnant woman seated in front of a laptop computer
95% Confidence Interval Selected Percentiles
Chemical measured Indicates exposure to Units Number of people tested Geometric mean Lower Upper 25th 50th 75th 90th Limit of Detection (LOD), wet-weight
MCHP Dicyclohexyl phthalate (DCHP) μg/L 89 * * * <LOD <LOD <LOD <LOD 0.50

Footnotes

*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.
XLS