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

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

CARE LA Study logo, showing California in blue with Los Angeles County in orange

Chemical Group: Metals

  • Measured in: Blood

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
Cadmium Cadmium NA µg/L 425 0.258 0.232 0.286 0.173 0.248 0.357 0.785 99.6% 0.0750 µg/L
Lead Lead NA µg/dL 425 0.768 0.683 0.862 0.480 0.730 1.26 2.32 100% 0.0250 µg/dL
Manganese Manganese NA µg/L 425 10.6 10.1 11.2 8.38 10.4 12.6 20.3 100% 0.750 µg/L
Mercury Mercury NA µg/L 425 0.975 0.794 1.20 0.387 1.04 2.56 6.02 92.9% 0.125 µg/L

Chemical Group: Metals

  • Measured in: Urine

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
Antimony Antimony NA µg/L 428 * * * < LOD < LOD 0.0316 0.101 26.2% 0.0300 µg/L
Antimony Antimony Creatinine µg/g creatinine 426 * * * < LOD < LOD 0.0676 0.180 26.6% 0.0300 µg/L
Arsenic Arsenic NA µg/L 428 8.06 6.69 9.71 3.63 7.91 16.7 67.2 100% 0.100 µg/L
Arsenic Arsenic Creatinine µg/g creatinine 426 10.6 9.06 12.3 5.16 9.14 18.8 59.7 100% 0.100 µg/L
Cadmium Cadmium NA µg/L 428 0.153 0.130 0.182 0.0707 0.169 0.342 0.743 100% 0.0100 µg/L
Cadmium Cadmium Creatinine µg/g creatinine 426 0.199 0.175 0.227 0.115 0.187 0.338 0.691 100% 0.0100 µg/L
Cobalt Cobalt NA µg/L 428 0.217 0.184 0.256 0.119 0.210 0.398 1.37 100% 0.0100 µg/L
Cobalt Cobalt Creatinine µg/g creatinine 426 0.284 0.251 0.321 0.154 0.262 0.528 1.18 100% 0.0100 µg/L
Manganese Manganese NA µg/L 428 * * * < LOD < LOD < LOD 0.174 15.2% 0.100 µg/L
Manganese Manganese Creatinine µg/g creatinine 426 * * * < LOD < LOD < LOD 0.611 15.4% 0.100 µg/L
Mercury Mercury NA µg/L 428 0.202 0.159 0.256 0.0814 0.232 0.519 2.63 97.1% 0.0100 µg/L
Mercury Mercury Creatinine µg/g creatinine 426 0.262 0.218 0.314 0.143 0.277 0.516 1.73 97.3% 0.0100 µg/L
Molybdenum Molybdenum NA µg/L 428 36.0 30.5 42.5 20.0 39.6 79.2 160 100% 0.300 µg/L
Molybdenum Molybdenum Creatinine µg/g creatinine 426 47.1 41.7 53.2 28.5 44.9 79.7 194 100% 0.300 µg/L
Thallium Thallium NA µg/L 428 0.154 0.134 0.178 0.0850 0.169 0.305 0.527 99.8% 0.0100 µg/L
Thallium Thallium Creatinine µg/g creatinine 426 0.200 0.183 0.218 0.132 0.197 0.284 0.491 100% 0.0100 µg/L
Uranium Uranium NA µg/L 428 * * * < LOD < LOD 0.0193 0.116 48.6% 0.0100 µg/L
Uranium Uranium Creatinine µg/g creatinine 426 * * * < LOD < LOD 0.0313 0.116 49.3% 0.0100 µg/L

Chemical Group: Perfluoroalkyl and Polyfluoroalkyl Substances (PFASs)

  • Measured in: Serum

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
Et-PFOSA-AcOH Et-PFOSA-AcOH NA ng/mL 425 * * * <LOD <LOD 0.0147 0.0554 35.7% 0.0115 ng/mL
Me-PFOSA-AcOH Me-PFOSA-AcOH NA ng/mL 425 0.0678 0.0589 0.0780 0.0396 0.0558 0.0953 0.340 100% 0.0114 ng/mL
PFBS PFBS NA ng/mL 425 * * * <LOD <LOD <LOD 0.0357 5.5% 0.0303 ng/mL
PFDA PFDA NA ng/mL 425 * * * <LOD 0.0795 0.164 0.321 62.3% 0.0560 ng/mL
PFDoA PFDoA NA ng/mL 425 * * * <LOD <LOD <LOD <LOD 0.3% 0.110 ng/mL
PFHpA PFHpA NA ng/mL 425 * * * <LOD 0.0280 0.0447 0.0981 52.0% 0.0256 ng/mL
PFHxS PFHxS NA ng/mL 425 0.689 0.585 0.813 0.418 0.787 1.23 2.39 98.5% 0.0177 ng/mL
PFNA PFNA NA ng/mL 425 0.298 0.263 0.339 0.195 0.320 0.471 1.16 96.9% 0.0424 ng/mL
PFOA PFOA NA ng/mL 425 1.04 0.920 1.17 0.732 1.17 1.52 3.06 99.8% 0.0606 ng/mL
PFOS PFOS NA ng/mL 425 2.20 1.87 2.60 1.41 2.38 3.91 8.78 98.0% 0.0615 ng/mL
PFOSA PFOSA NA ng/mL 425 * * * <LOD <LOD 0.0152 0.0611 26.7% 0.0144 ng/mL
PFUnDA PFUnDA NA ng/mL 425 0.0721 0.0619 0.0840 0.0336 0.0735 0.136 0.350 77.6% 0.0285 ng/mL

Chemical Group: Environmental Phenols

  • Measured in: Urine
  • 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

Chemical Group: Diesel Exhaust

  • 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
Lower Upper 25th 50th 75th 95th
6-OHNP 1-Nitropyrene Specific-gravity pg/L^ 109 110 89 130 60 120 200 660 90.8% 9.4 pg/L
8-OHNP 1-Nitropyrene Specific-gravity pg/L^ 149 88 76 100 51 91 160 400 87.2% 11.4 pg/L