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

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Results on page last updated:
CARE LA Study logo, showing California in blue with Los Angeles County in orange

Chemical Group: Environmental Phenols

  • Measured in: Urine
95% Confidence Interval Selected Percentiles
Chemical measured Indicates exposure to Units Number of people tested Geometric mean Lower Upper 25th 50th 75th 90th Detection frequency Limit of Detection (LOD), wet-weight
Benzophenone-3 Benzophenone-3 µg/L 60 31.6 18.4 54.2 7.52 22.3 152 513 95.0% 1.00
BPA Bisphenol A µg/L 60 * * * <LOD <LOD 0.756 1.96 46.7% 0.100
BPF Bisphenol F µg/L 60 * * * <LOD <LOD <LOD 0.862 23.3% 0.200
BPS Bisphenol S 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 µg/L 60 * * * <LOD <LOD <LOD 0.885 16.7% 0.100
Ethyl paraben Ethyl paraben µg/L 60 * * * <LOD <LOD 3.51 71.4 35.0% 0.500
Methyl paraben Methyl paraben µg/L 60 15.7 9.39 26.2 4.23 12.7 60.1 291 95.0% 0.500
Propyl paraben Propyl paraben µg/L 60 2.10 1.11 3.97 <LOD 2.57 9.28 81.3 66.7% 0.200
Triclocarban Triclocarban µg/L 60 * * * <LOD <LOD <LOD 0.211 16.7% 0.100
Triclosan Triclosan µg/L 60 1.67 0.887 3.15 0.237 0.908 8.27 103 81.7% 0.200
CARE LA Study logo, showing California in blue with Los Angeles County in orange

Chemical Group: Metals

  • Measured in: Blood
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
Cadmium Cadmium μg/L 425 0.301 0.283 0.320 0.198 0.292 0.447 0.884 99.3% 0.075
Lead Lead μg/dL 425 0.783 0.739 0.831 0.524 0.755 1.18 2.16 100% 0.025
Manganese Manganese μg/L 425 10.3 9.99 10.6 8.21 9.94 12.7 18.7 100% 0.750
Mercury Mercury μg/L 425 1.05 0.937 1.17 0.442 1.12 2.44 6.17 94.8% 0.125

Chemical Group: Metals

  • Measured in: Urine
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
Antimony Antimony μg/L 428 * * * <LOD <LOD <LOD 0.0957 24.5% 0.0300
Arsenic Arsenic μg/L 428 8.21 7.29 9.26 3.61 8.37 19.4 66.0 100% 0.100
Cadmium Cadmium μg/g creatinine 428 0.249 0.231 0.267 0.143 0.242 0.425 0.826 100% 0.0100 μg/L
Cobalt Cobalt μg/L 428 0.213 0.192 0.237 0.109 0.226 0.417 1.40 100% 0.0100
Manganese Manganese μg/L 428 * * * <LOD <LOD <LOD 0.211 15.2% 0.100
Mercury Mercury μg/L 428 0.181 0.159 0.206 0.0758 0.215 0.459 1.48 97.7% 0.0100
Molybdenum Molybdenum μg/L 428 29.1 26.3 32.3 14.6 34.0 59.2 152 100% 0.300
Thallium Thallium μg/L 428 0.161 0.148 0.175 0.0826 0.182 0.318 0.586 99.8% 0.0100
Uranium Uranium μg/L 428 * * * <LOD <LOD 0.0207 0.103 49.3% 0.0100
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
Et-PFOSA-AcOH Et-PFOSA-AcOH ng/mL 425 * * * <LOD <LOD 0.0132 0.0457 31.3% 0.0115
Me-PFOSA-AcOH Me-PFOSA-AcOH ng/mL 425 0.0681 0.0630 0.0736 0.0405 0.0562 0.0942 0.341 100% 0.0114
PFBuS PFBS ng/mL 425 * * * <LOD <LOD <LOD <LOD 4.94% 0.0303
PFDeA PFDeA ng/mL 425 0.0967 0.0894 0.105 <LOD 0.0891 0.163 0.394 69.2% 0.0560
PFDoA PFDoA ng/mL 425 * * * <LOD <LOD <LOD <LOD 1.65% 0.110
PFHpA PFHpA ng/mL 425 * * * <LOD 0.0270 0.0499 0.0962 52.5% 0.0256
PFHxS PFHxS ng/mL 425 0.613 0.559 0.672 0.373 0.680 1.13 2.33 98.8% 0.0177
PFNA PFNA ng/mL 425 0.300 0.278 0.323 0.205 0.324 0.492 0.924 97.2% 0.0424
PFOA PFOA ng/mL 425 1.04 0.972 1.12 0.727 1.13 1.64 3.06 99.3% 0.0606
PFOS PFOS ng/mL 425 2.13 1.92 2.35 1.27 2.43 3.98 8.33 97.9% 0.0144
PFOSA PFOSA ng/mL 425 * * * <LOD <LOD 0.0145 0.0481 25.4% 0.0615
PFUA PFUA ng/mL 425 0.0829 0.0756 0.0909 0.0412 0.0842 0.164 0.381 82.4% 0.0285

Footnotes

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