Results for Environmental Phenols

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Results on page last updated: 03/01/2018

Chemical Group: Environmental Phenols

  • 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
Benzophenone-3 Benzophenone-3 µg/L 109 24.4 16.0 37.2 5.70 22.8 86.7 797 94.5% 0.500 µg/L
Bisphenol A Bisphenol A µg/L 109 1.40 1.08 1.80 0.660 1.31 2.82 13.3 89.9% 0.200 µg/L
Butyl paraben Butyl Paraben µg/L 109 * * * <LOD <LOD <LOD 13.5 21.1% 0.500 µg/L
Ethyl paraben Ethyl Paraben µg/L 109 * * * <LOD <LOD 6.83 127 44.0% 0.500 µg/L
Methyl paraben Methyl Paraben µg/L 105 78.4 56.2 109 21.7 76.4 282 1,060 99.0% 0.500 µg/L
Propyl paraben Propyl Paraben µg/L 109 7.66 4.89 12.0 0.555 8.38 49.1 367 75.2% 0.500 µg/L
Triclosan Triclosan µg/L 109 11.7 7.77 17.5 2.54 9.29 44.3 702 96.3% 0.200 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
Benzophenone-3 Benzophenone-3 µg/L 218 73.4 51.9 103 12.5 64.4 479 6870 92.2% 1.00 µg/L
Bisphenol A Bisphenol A µg/L 218 1.40 1.19 1.64 0.728 1.55 3.25 7.18 96.3% 0.100 µg/L
Butyl paraben Butyl Paraben µg/L 218 * * * <LOD <LOD 0.542 12.7 33.5% 0.200 µg/L
Ethyl paraben Ethyl Paraben µg/L 218 * * * <LOD <LOD 18.0 183 47.7% 1.00 µg/L
Methyl paraben Methyl Paraben µg/L 218 77.4 59.7 100 26.2 95.3 334 994 94.5% 1.00 µg/L
Propyl paraben Propyl Paraben µg/L 218 10.9 8.26 14.5 1.19 11.6 56.1 319 76.1% 1.00 µg/L
Triclosan Triclosan µg/L 218 12.4 9.05 17.0 2.25 9.11 67.1 851 98.6% 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
Benzophenone-3 Benzophenone-3 µg/L 101 78.5 58.3 106 27.0 79.3 186 867 100% 1.00
Bisphenol A Bisphenol A µg/L 101 1.58 1.25 1.99 0.718 1.53 3.16 11.9 94.1% 0.20
Butyl paraben Butyl paraben µg/L 101 * * * <LOD <LOD 0.68 5.9 44.6% 0.50
Ethyl paraben Ethyl paraben µg/L 101 * * * <LOD <LOD 2.52 56.5 35.6% 1.0
Methyl paraben Methyl paraben μg/L 101 46.9 34.2 64.3 19.6 48.0 108 687 98.0% 1.0
Propyl paraben Propyl paraben μg/L 101 * * * <LOD 2.96 19.0 135 61.4% 1.0
Triclosan Triclosan μg/L 101 20.2 13.5 30.2 3.00 19.6 103 563 99.0% 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
Benzophenone-3 Benzophenone-3 μg/L 89 33.0 20.5 53.2 8.41 26.6 124 1320 0.50
Bisphenol A Bisphenol A μg/L 89 1.25 0.984 1.58 0.490 1.27 3.13 4.85 0.20
Triclosan Triclosan μg/L 89 17.2 10.5 28.2 2.44 11.1 139 445 1.0

Footnotes

*Geometric mean was not calculated because the chemical was found in less than 65% of the study group