Results for Environmental Phenols

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Chemical Group: Environmental Phenols

  • Measured in: Urine

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

Unweighted Results

Chemical measured Indicates Exposure to Adjusted for Units Number of people tested Geometric mean 95% Confidence Interval Selected Percentiles Detection Frequency Limit of Detection (LOD), wet-weight
Lower Upper 25th 50th 75th 95th
Benzophenone-3 Benzophenone-3 NA µg/L 109 24.4 16.0 37.2 5.70 22.8 86.7 797 94.5% 0.500 µg/L
BPA Bisphenol A NA 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 NA µg/L 109 * * * <LOD <LOD <LOD 13.5 21.1% 0.500 µg/L
Ethyl paraben Ethyl Paraben NA µg/L 109 * * * <LOD <LOD 6.83 127 44.0% 0.500 µg/L
Methyl paraben Methyl Paraben NA 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 NA µg/L 109 7.66 4.89 12.0 0.555 8.38 49.1 367 75.2% 0.500 µg/L
Triclosan Triclosan NA 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

Weighted Results

Chemical measured Indicates Exposure to Adjusted for Units Number of people tested Geometric mean 95% Confidence Interval Selected Percentiles Detection Frequency Limit of Detection (LOD), wet-weight Notes
Lower Upper 25th 50th 75th 95th
Benzophenone-3 Benzophenone-3 NA µg/L 218 76.7 43.4 135 10.9 76.2 431 6720 95.8% 1.00 µg/L
Benzophenone-3 Benzophenone-3 Creatinine µg/g creatinine 218 83.8 49.1 143 11.8 70.8 408 3520 95.8% 1.00 µg/L
BPA Bisphenol A NA µg/L 218 1.33 1.05 1.69 0.648 1.52 3.56 5.66 97.4% 0.100 µg/L
BPA Bisphenol A Creatinine µg/g creatinine 218 1.46 1.20 1.77 0.786 1.53 2.39 5.58 97.4% 0.100 µg/L
Butyl paraben Butyl paraben NA µg/L 218 * * * <LOD <LOD 0.456 20.5 33.4% 0.200 µg/L
Butyl paraben Butyl paraben Creatinine µg/g creatinine 218 * * * <LOD <LOD 0.834 21.2 33.4% 0.200 µg/L
Ethyl paraben Ethyl paraben NA µg/L 218 * * * <LOD <LOD 10.0 168 47.8% 1.00 µg/L
Ethyl paraben Ethyl paraben Creatinine µg/g creatinine 218 * * * <LOD <LOD 11.7 161 47.8% 1.00 µg/L
Methyl paraben Methyl paraben NA µg/L 218 62.9 41.3 95.9 21.1 75.4 241 906 94.3% 1.00 µg/L
Methyl paraben Methyl paraben Creatinine µg/g creatinine 218 68.8 47.6 99.6 23.5 83.8 237 924 94.3% 1.00 µg/L
Propyl paraben Propyl paraben NA µg/L 218 9.58 5.98 15.4 <LOD 9.05 55.5 325 71.5% 1.00 µg/L
Propyl paraben Propyl paraben Creatinine µg/g creatinine 218 10.48 6.68 16.4 <LOD 9.51 70.2 287 71.5% 1.00 µg/L
Triclosan Triclosan NA µg/L 218 11.9 7.34 19.4 2.25 9.09 60.4 801 98.5% 0.100 µg/L
Triclosan Triclosan Creatinine µg/g creatinine 218 13.1 8.00 21.3 2.31 11.3 54.2 812 98.5% 0.100 µg/L

Project: California Regional Exposure Study, Los Angeles County (CARE-LA)

CARE LA Study logo, showing California in blue with Los Angeles County in orange
  • Study Group Subset: Women

Unweighted Results

Chemical measured Indicates Exposure to Adjusted for Units Number of people tested Geometric mean 95% Confidence Interval Selected Percentiles Detection Frequency Limit of Detection (LOD), wet-weight
Lower Upper 25th 50th 75th 90th
Benzophenone-3 Benzophenone-3 NA µg/L 60 31.6 18.4 54.2 7.52 22.3 152 513 95.0% 1.00
BPA Bisphenol A NA µg/L 60 * * * <LOD <LOD 0.756 1.96 46.7% 0.100
BPF Bisphenol F NA µg/L 60 * * * <LOD <LOD <LOD 0.862 23.3% 0.200
BPS Bisphenol S NA µg/L 60 0.382 0.269 0.544 0.106 0.342 1.33 2.42 76.7% 0.100
Butyl paraben Butyl paraben NA µg/L 60 * * * <LOD <LOD <LOD 0.885 16.7% 0.100
Ethyl paraben Ethyl paraben NA µg/L 60 * * * <LOD <LOD 3.51 71.4 35.0% 0.500
Methyl paraben Methyl paraben NA µg/L 60 15.7 9.39 26.2 4.23 12.7 60.1 291 95.0% 0.500
Propyl paraben Propyl paraben NA µg/L 60 2.10 1.11 3.97 <LOD 2.57 9.28 81.3 66.7% 0.200
Triclocarban Triclocarban NA µg/L 60 * * * <LOD <LOD <LOD 0.211 16.7% 0.100
Triclosan Triclosan NA µg/L 60 1.67 0.887 3.15 0.237 0.908 8.27 103 81.7% 0.200

Project: California Regional Exposure Study, Region 2 (CARE-2)

Logo for the CARE-2 study showing a blue map of California with the eastern part of California in orange
  • Study Group Subset: Adults

Unweighted Results

Chemical measured Indicates Exposure to Adjusted for Units Number of people tested Geometric mean 95% Confidence Interval Selected Percentiles Detection Frequency Limit of Detection (LOD), wet-weight
Lower Upper 25th 50th 75th 95th
Benzophenone-3 Benzophenone-3 NA µg/L 151 18.5 13.7 25.1 5.59 18.0 50.0 493 96.0% 1.00
BPA Bisphenol A NA µg/L 151 0.503 0.419 0.603 <LOD 0.466 1.12 3.19 69.5% 0.200
BPS Bisphenol S NA µg/L 151 * * * <LOD 0.233 0.593 2.25 64.9% 0.100
Ethyl paraben Ethyl paraben NA µg/L 151 * * * <LOD <LOD 2.02 69.7 35.8% 0.500
Methyl paraben Methyl paraben NA µg/L 151 15.3 10.9 21.5 3.11 12.6 79.4 535 94.0% 0.500
Propyl paraben Propyl paraben NA µg/L 151 * * * <LOD 1.54 14.8 223 60.3% 0.200
Triclocarban Triclocarban NA µg/L 151 * * * <LOD <LOD <LOD 0.307 11.3% 0.100
Triclosan Triclosan NA µg/L 151 * * * <LOD <LOD 3.02 389 45.0% 1.00

Project: California Regional Exposure Study, Region 3 (CARE-3)

Logo for the CARE-3 study showing a blue map of California with Orange and San Diego counties in orange
  • Study Group Subset: Adults

Unweighted Results

Chemical measured Indicates Exposure to Adjusted for Units Number of people tested Geometric mean 95% Confidence Interval Selected Percentiles Detection Frequency Limit of Detection (LOD), wet-weight Notes
Lower Upper 25th 50th 75th 90th
Benzophenone-3 Benzophenone-3 NA µg/L 90 14.4 9.16 22.6 3.70 13.1 47.4 190 90.0% 0.500 µg/L
BPA Bisphenol A NA µg/L 90 0.287 0.233 0.352 0.124 0.281 0.598 0.895 82.2% 0.100 µg/L
BPF Bisphenol F NA µg/L 90 * * * <LOD <LOD 0.573 2.03 41.1% 0.200 µg/L
BPS Bisphenol S NA µg/L 90 * * * <LOD 0.288 0.875 2.85 64.4% 0.100 µg/L
Butyl paraben Butyl paraben NA µg/L 90 * * * <LOD <LOD <LOD 0.114 11.1% 0.100 µg/L
Ethyl paraben Ethyl paraben NA µg/L 90 * * * <LOD <LOD 0.212 8.92 25.6% 0.200 µg/L
Methyl paraben Methyl paraben NA µg/L 90 8.33 5.15 13.5 1.01 9.57 57.1 152 80.0% 0.500 µg/L
Propyl paraben Propyl paraben NA µg/L 90 * * * <LOD <LOD 13.5 42.5 50.0% 0.200 µg/L
Triclocarban Triclocarban NA µg/L 90 * * * <LOD <LOD <LOD <LOD 5.6% 0.100 µg/L
Triclosan Triclosan NA µg/L 90 * * * <LOD <LOD <LOD 1.82 18.9% 1.00 µg/L

Project: Firefighter Occupational Exposures (FOX) Project

  • Study Group Subset: Firefighters

Unweighted Results

Chemical measured Indicates Exposure to Adjusted for Units Number of people tested Geometric mean 95% Confidence Interval Selected Percentiles Detection Frequency Limit of Detection (LOD), wet-weight
Lower Upper 25th 50th 75th 95th
Benzophenone-3 Benzophenone-3 NA µg/L 101 78.5 58.3 106 27.0 79.3 186 867 100% 1.00
BPA Bisphenol A NA 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 NA µg/L 101 * * * <LOD <LOD 0.68 5.9 44.6% 0.50
Ethyl paraben Ethyl paraben NA µg/L 101 * * * <LOD <LOD 2.52 56.5 35.6% 1.0
Methyl paraben Methyl paraben NA μg/L 101 46.9 34.2 64.3 19.6 48.0 108 687 98.0% 1.0
Propyl paraben Propyl paraben NA μg/L 101 * * * <LOD 2.96 19.0 135 61.4% 1.0
Triclosan Triclosan NA 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)

  • Study Group Subset: Pregnant women

Unweighted Results

Chemical measured Indicates Exposure to Adjusted for Units Number of people tested Geometric mean 95% Confidence Interval Selected Percentiles Limit of Detection (LOD), wet-weight
Lower Upper 25th 50th 75th 90th
Benzophenone-3 Benzophenone-3 NA μg/L 89 33.0 20.5 53.2 8.41 26.6 124 1320 0.50
BPA Bisphenol A NA μg/L 89 1.25 0.984 1.58 0.490 1.27 3.13 4.85 0.20
Triclosan Triclosan NA μg/L 89 17.2 10.5 28.2 2.44 11.1 139 445 1.0