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

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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

Chemical Group: Environmental Phenols

  • Measured in: Urine
  • 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

Chemical Group: Metals

  • Measured in: Blood
  • 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
Cadmium Cadmium NA µg/L 88 0.279 0.235 0.332 0.156 0.289 0.48 0.629 95.5% 0.0750 µg/L
Lead Lead NA µg/dL 88 0.690 0.606 0.785 0.474 0.706 0.900 1.42 100% 0.0250 µg/dL
Manganese Manganese NA µg/L 88 9.13 8.46 9.87 7.12 9.54 11.9 14.1 100% 0.250 µg/L
Mercury Mercury NA µg/L 88 1.03 0.809 1.30 0.500 1.16 2.34 4.04 98.7% 0.0750 µg/L

Chemical Group: Metals

  • Measured in: Urine
  • 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
Antimony Antimony NA µg/L 90 * * * <LOD <LOD <LOD 0.0558 20.0% 0.0300 µg/L
Arsenic Arsenic NA µg/L 90 6.13 4.57 8.21 2.46 4.44 18.5 40.0 100% 0.100 µg/L
Cadmium Cadmium Creatinine µg/g creatinine 90 0.240 0.201 0.287 0.123 0.231 0.403 0.714 91.1% 0.0300 µg/L
Cobalt Cobalt NA µg/L 90 0.171 0.133 0.220 0.0715 0.182 0.319 0.846 92.2% 0.0300 µg/L
Manganese Manganese NA µg/L 90 * * * <LOD <LOD <LOD 0.132 18.9% 0.100 µg/L
Mercury Mercury NA µg/L 90 0.156 0.121 0.201 0.0667 0.156 0.369 0.643 88.9% 0.0300 µg/L
Molybdenum Molybdenum NA µg/L 90 24.5 19.8 30.3 12.1 26.2 58.1 85.2 100% 0.300 µg/L
Thallium Thallium NA µg/L 90 0.108 0.0909 0.129 0.0607 0.119 0.208 0.273 98.9% 0.0100 µg/L
Uranium Uranium NA µg/L 90 * * * <LOD <LOD 0.0164 0.0326 40.0% 0.0100 µg/L

Chemical Group: Perfluoroalkyl and Polyfluoroalkyl Substances (PFASs)

  • Measured in: Serum
  • 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
Et-PFOSA-AcOH Et-PFOSA-AcOH NA ng/mL 89 * * * <LOD <LOD <LOD 0.0250 16.9% 0.0115 ng/mL
Me-PFOSA-AcOH Me-PFOSA-AcOH NA ng/mL 88 0.0363 0.0266 0.0494 <LOD 0.0332 0.082 0.238 65.9% 0.0114 ng/mL
PFBS PFBS NA ng/mL 79 * * * <LOD <LOD <LOD <LOD 2.5% 0.0303 ng/mL
PFDA PFDA NA ng/mL 89 0.0942 0.0802 0.111 <LOD 0.0926 0.174 0.234 67.4% 0.0560 ng/mL
PFDoA PFDoA NA ng/mL 80 * * * <LOD <LOD <LOD <LOD 5.0% 0.110 ng/mL
PFHpA PFHpA NA ng/mL 82 * * * <LOD <LOD 0.0377 0.0690 39.0% 0.0256 ng/mL
PFHxS PFHxS NA ng/mL 89 0.670 0.517 0.868 0.393 0.796 1.33 2.69 97.8% 0.0177 ng/mL
PFNA PFNA NA ng/mL 89 0.295 0.245 0.356 0.216 0.335 0.524 0.762 92.1% 0.0424 ng/mL
PFOA PFOA NA ng/mL 89 0.901 0.733 1.11 0.702 1.03 1.48 2.21 95.5% 0.0606 ng/mL
PFOS PFOS NA ng/mL 89 1.75 1.34 2.28 1.01 2.30 3.92 5.22 95.5% 0.0615 ng/mL
PFOSA PFOSA NA ng/mL 89 * * * <LOD <LOD <LOD 0.0328 20.2% 0.0144 ng/mL
PFUnDA PFUnDA NA ng/mL 89 0.0804 0.066 0.098 0.0372 0.0839 0.161 0.286 80.9% 0.0285 ng/mL