Results

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Results on page last updated: 08/07/2019
A mulit-generational family of Asian-Americans sharing a meal

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 90th Detection frequency Limit of Detection (LOD), wet-weight
Cadmium Cadmium µg/L 96 0.524 0.462 0.595 0.344 0.520 0.801 1.15 99% 0.150
Lead Lead µg/dL 96 1.23 1.11 1.37 0.843 1.23 1.90 2.37 100% 0.0500
Mercury Mercury µg/L 96 3.58 3.01 4.26 2.47 4.12 7.13 9.24 100% 0.150

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
Arsenic Arsenic µg/L 100 22.2 18.2 27.0 12.6 22.1 44.0 131 100% 0.162
Cadmium Cadmium µg/g creatinine 100 0.450 0.377 0.536 0.222 0.460 0.913 1.75 97% 0.0391 µg/L
Mercury Mercury µg/L 100 0.301 0.246 0.367 0.135 0.301 0.599 1.71 99% 0.0300
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
4:2 FTS 4:2 FTS ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0120
5:3 FTCA 5:3 FTCA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
6:2 diPAP 6:2 diPAP ng/ml 96 * * * <LOD <LOD <LOD <LOD 7.3% 0.0500
6:2 FTCA 6:2 FTCA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.250
6:2 FTS 6:2 FTS ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
6:2 FTUCA 6:2 FTUCA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0120
6:6 PFPiA 6:6 PFPiA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0120
6:8 PFPiA 6:8 PFPiA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
7:3 FTCA 7:3 FTCA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
8:2 diPAP 8:2 diPAP ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.250
8:2 FTCA 8:2 FTCA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.500
8:2 FTS 8:2 FTS ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
8:2 FTUCA 8:2 FTUCA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0120
8:2 PAP 8:2 PAP ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.500
Et-PFOSA-AcOH Et-PFOSA-AcOH ng/ml 96 * * * <LOD <LOD <LOD <LOD 5.2% 0.0500
Me-PFOSA-AcOH Me-PFOSA-AcOH ng/ml 96 0.0523 0.0421 0.0650 0.0256 0.0467 0.0959 0.228 95.8% 0.0120
PFBA PFBA ng/ml 96 * * * <LOD 0.0582 0.0846 0.140 62.5% 0.0500
PFBuS PFBuS ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0442
PFDeA PFDeA ng/ml 96 0.477 0.406 0.559 0.281 0.453 0.739 1.49 80.2% 0.250
PFDoA PFDoA ng/ml 96 * * * <LOD 0.0540 0.0788 0.134 56.3% 0.0500
PFDS PFDS ng/ml 96 * * * <LOD 0.0104 0.0204 0.048 53.1% 0.00965
PFHpA PFHpA ng/ml 96 * * * <LOD <LOD 0.0574 0.0868 30.2% 0.0500
PFHxA PFHxA ng/ml 96 0.176 0.162 0.191 0.151 0.180 0.214 0.276 97.9% 0.0556
PFHxPA PFHxPA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
PFHxS PFHxS ng/ml 96 0.767 0.66 0.891 0.432 0.789 1.41 1.81 100% 0.00945
PFNA PFNA ng/ml 96 0.987 0.870 1.12 0.65 0.948 1.33 2.24 99% 0.250
PFOA PFOA ng/ml 96 1.41 1.23 1.61 0.998 1.36 2.16 2.85 100% 0.0500
PFOPA PFOPA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
PFOS PFOS ng/ml 96 6.51 5.49 7.73 3.32 6.05 11.7 19.3 100% 0.0566
PFOSA PFOSA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0120
PFPeA PFPeA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
PFUA PFUA ng/ml 96 0.398 0.348 0.455 0.301 0.427 0.600 0.824 100% 0.0500
A mulit-generational family of Asian-Americans sharing a meal

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 90th Detection frequency Limit of Detection (LOD), wet-weight
Cadmium Cadmium µg/L 99 0.592 0.526 0.666 0.374 0.609 0.892 1.29 100% 0.0750
Lead Lead µg/dL 99 1.12 1.02 1.22 0.858 1.06 1.41 2.07 100% 0.0250
Mercury Mercury µg/L 99 4.77 4.13 5.51 3.22 5.18 8.04 9.99 100% 0.0750

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
Arsenic Arsenic µg/L 100 33.6 27.4 41.1 18.0 35.4 70.5 121 100% 0.100
Cadmium Cadmium µg/g 100 0.625 0.527 0.740 0.353 0.712 1.12 2.16 99% 0.0300 µg/L
Mercury Mercury µg/L 100 0.432 0.349 0.535 0.218 0.418 0.816 2.11 97% 0.0500
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
4:2 FTS 4:2 FTS ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0120
5:3 FTCA 5:3 FTCA ng/ml 99 * * * <LOD <LOD <LOD <LOD 2% 0.0500
6:2 diPAP 6:2 diPAP ng/ml 99 * * * <LOD <LOD <LOD <LOD 2% 0.0500
6:2 FTCA 6:2 FTCA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.250
6:2 FTS 6:2 FTS ng/ml 99 * * * <LOD <LOD <LOD <LOD 3% 0.0500
6:2 FTUCA 6:2 FTUCA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0120
6:6 PFPiA 6:6 PFPiA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0100
6:8 PFPiA 6:8 PFPiA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0500
7:3 FTCA 7:3 FTCA ng/ml 99 * * * <LOD <LOD <LOD <LOD 5.1% 0.0500
8:2 diPAP 8:2 diPAP ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.250
8:2 FTCA 8:2 FTCA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.500
8:2 FTS 8:2 FTS ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0500
8:2 FTUCA 8:2 FTUCA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0120
8:2 PAP 8:2 PAP ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.500
Et-PFOSA-AcOH Et-PFOSA-AcOH ng/ml 99 * * * <LOD <LOD <LOD <LOD 3% 0.0500
Me-PFOSA-AcOH Me-PFOSA-AcOH ng/ml 99 0.0342 0.0291 0.0402 0.0197 0.0282 0.0538 0.114 97% 0.0120
PFBA PFBA ng/ml 99 0.0589 0.0531 0.0655 <LOD 0.0580 0.0736 0.0996 67.7% 0.0500
PFBuS PFBuS ng/ml 99 * * * <LOD <LOD <LOD <LOD 3% 0.0400
PFDeA PFDeA ng/ml 99 0.559 0.490 0.636 0.393 0.541 0.823 1.28 87.9% 0.250
PFDoA PFDoA ng/ml 99 * * * <LOD 0.0135 0.0226 0.0441 52.5% 0.0500
PFDS PFDS ng/ml 99 * * * <LOD 0.0505 0.0773 0.127 59.6% 0.0100
PFHpA PFHpA ng/ml 99 * * * <LOD <LOD <LOD 0.0699 20.2% 0.0500
PFHxA PFHxA ng/ml 99 0.189 0.166 0.215 0.124 0.174 0.268 0.453 98% 0.0600
PFHxPA PFHxPA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0500
PFHxS PFHxS ng/ml 99 1.29 1.14 1.45 0.787 1.21 1.81 3.05 100% 0.0100
PFNA PFNA ng/ml 99 1.10 0.988 1.22 0.84 1.08 1.49 2.21 99% 0.250
PFOA PFOA ng/ml 99 1.69 1.51 1.88 1.20 1.61 2.30 3.06 100% 0.0600
PFOPA PFOPA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0500
PFOS PFOS ng/ml 99 7.47 6.38 8.75 4.17 7.00 11.5 22.9 100% 0.191
PFOSA PFOSA ng/ml 99 * * * <LOD <LOD <LOD <LOD 3% 0.0100
PFPeA PFPeA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0500
PFUA PFUA ng/ml 99 0.453 0.391 0.525 0.309 0.443 0.740 1.12 98% 0.0500
Diverse group of smiling adults

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 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
BPA 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

Chemical Group: Herbicides

  • 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
2,4-D 2_4-D µg/L 109 0.304 0.245 0.376 0.163 0.340 0.617 1.92 90.8% 0.0500 µg/L

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 110 0.271 0.237 0.311 0.170 0.275 0.390 0.990 100% 0.06 µg/L
Lead Lead µg/dL 110 1.05 0.931 1.18 0.700 1.05 1.47 2.45 100% 0.02 µg/dL
Manganese Manganese µg/L 110 8.09 7.62 8.58 6.50 8.40 9.80 13.4 100% 0.45 µg/L
Mercury Mercury µg/L 110 0.748 0.602 0.929 0.370 0.745 1.79 4.26 99.1% 0.04 µg/L

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
Arsenic Arsenic µg/L 108 11.6 9.30 14.5 5.08 10.9 21.5 102 100% 0.0493 µg/L
Cadmium Cadmium µg/g creatinine 108 0.301 0.267 0.339 0.186 0.300 0.461 0.853 100% 0.0420 µg/L
Mercury Mercury µg/L 108 0.210 0.168 0.263 0.087 0.217 0.509 1.14 98.1% 0.0163 µg/L

Chemical Group: Organochlorine Pesticides

  • Measured in: Serum
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
beta-Hexachlorocyclohexane (beta-HCH) b-HCH ng/g lipid 110 7.00 5.42 9.05 2.98 5.94 11.5 115 89.1% 0.00800 ng/mL
DDE (para,para) para,para-DDT and/or para,para-DDE ng/g lipid 110 321 266 386 161 318 585 2180 100.0% 0.0160 ng/mL
DDT (ortho,para) ortho,para-DDT ng/g lipid 110 * * * <LOD <LOD <LOD <LOD 0.0% 0.00800 ng/mL
DDT (para,para) para,para-DDT ng/g lipid 110 * * * <LOD <LOD <LOD 10.6 15.5% 0.00800 ng/mL
Hexachlorobenzene (HCB) HCB ng/g lipid 110 11.6 10.8 12.5 9.21 11.4 14.0 20.6 100.0% 0.00800 ng/mL
Oxychlordane Chlordane ng/g lipid 110 7.61 6.41 9.02 5.45 8.30 13.2 28.4 91.8% 0.00800 ng/mL
trans-Nonachlor Chlordane ng/g lipid 110 14.3 12.0 17.0 8.31 14.5 25.1 60.8 99.1% 0.00800 ng/mL

Chemical Group: Organophosphate Pesticides

  • 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
IMPY Diazinon µg/L 109 * * * <LOD <LOD 0.0944 0.708 35.8% 0.0500 µg/L
TCPy Chlorpyrifos, Chlorpyrifos-methyl µg/L 109 1.23 1.05 1.45 0.706 1.24 2.24 4.40 80.7% 0.500 µg/L

Chemical Group: Other Pesticides

  • 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
DEET DEET µg/L 109 * * * <LOD <LOD <LOD 0.502 12.8% 0.0500 µg/L

Chemical Group: Perchlorate

  • 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
Perchlorate Perchlorate µg/L 102 3.77 3.23 4.39 2.26 3.76 5.95 13.9 100% 0.500 µg/L
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 110 * * * <LOD <LOD 0.022 0.163 24.5% 0.0313 ng/mL
Me-PFOSA-AcOH Me-PFOSA-AcOH ng/mL 110 0.174 0.142 0.213 0.0945 0.165 0.329 1.350 95.5% 0.0277 ng/mL
PFBuS PFBuS ng/mL 110 * * * <LOD <LOD <LOD 0.0680 11.8% 0.0411 ng/mL
PFDeA PFDeA ng/mL 110 0.245 0.216 0.278 0.160 0.254 0.334 0.767 100% 0.0349 ng/mL
PFDoA PFDoA ng/mL 110 0.0191 0.0166 0.0221 <LOD 0.0193 0.0303 0.0595 70.0% 0.0114 ng/mL
PFHpA PFHpA ng/mL 110 0.0483 0.0395 0.0591 0.0246 0.0543 0.0901 0.269 87.3% 0.010 ng/mL
PFHxS PFHxS ng/mL 110 1.43 1.19 1.73 0.917 1.52 2.43 6.87 99.1% 0.0206 ng/mL
PFNA PFNA ng/mL 110 0.994 0.920 1.07 0.730 0.984 1.35 1.86 100% 0.0154 ng/mL
PFOA PFOA ng/mL 110 1.97 1.76 2.19 1.36 1.99 2.92 4.70 100% 0.0087 ng/mL
PFOS PFOS ng/mL 110 7.00 6.12 8.00 4.66 7.10 10.4 25.8 100% 0.0621 ng/mL
PFOSA PFOSA ng/mL 110 * * * <LOD 0.0254 0.0487 0.195 52.7% 0.0225 ng/mL
PFUA PFUA ng/mL 110 0.128 0.111 0.148 0.0737 0.123 0.195 0.533 100% 0.0254 ng/mL

Chemical Group: Phthalates

  • 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
MBzP Benzylbutyl phthalate (BzBP) µg/L 109 7.49 5.99 9.36 3.65 7.27 18.6 41.9 100% 0.250 µg/L
MCHP Dicyclohexyl phthalate (DCHP) µg/L 109 * * * <LOD <LOD <LOD <LOD 1.83% 0.500 µg/L
MCPP Di-n-octyl phthalate (DnOP) µg/L 109 1.88 1.52 2.32 1.03 1.64 3.41 14.6 100% 0.125 µg/L
MECPP Di-2-ethylhexyl phthalate (DEHP) µg/L 109 12.1 10.0 14.7 7.10 11.7 20.0 51.7 100% 0.500 µg/L
MEP Diethyl phthalate (DEP) µg/L 109 57.1 45.2 72.1 25.5 52.1 103 584 97.2% 8.00 µg/L
MnBP Dibutyl phthalate (DBP), Benzylbutyl phthalate (BzBP) µg/L 109 19.0 16.1 22.4 11.7 18.5 31.6 73.5 98.2% 2.00 µg/L

Chemical Group: Polybrominated Diphenyl Ethers (PBDEs)

  • Measured in: Serum
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
BDE 017 BDE 17 ng/g lipid 110 * * * <LOD <LOD <LOD <LOD 1.8% 0.003 ng/mL
BDE 028 BDE 28 ng/g lipid 110 1.81 1.52 2.16 1.02 1.64 2.63 10.2 91.8% 0.003 ng/mL
BDE 047 BDE 47 ng/g lipid 110 25.8 21.0 31.6 12.3 26.9 43.2 134 99.1% 0.023 ng/mL
BDE 066 BDE 66 ng/g lipid 110 * * * <LOD <LOD <LOD 1.02 9.1% 0.004 ng/mL
BDE 085 BDE 85 ng/g lipid 110 * * * <LOD <LOD <LOD 3.49 20.0% 0.004 ng/mL
BDE 099 BDE 99 ng/g lipid 110 4.75 3.85 5.85 2.08 4.30 8.36 54.7 80.9% 0.012 ng/mL
BDE 100 BDE 100 ng/g lipid 110 4.02 3.24 4.98 2.07 3.72 6.75 39.1 89.1% 0.006 ng/mL
BDE 153 BDE 153 ng/g lipid 110 13.9 11.6 16.8 7.08 12.5 24.6 98.4 99.1% 0.008 ng/mL
BDE 154 BDE 154 ng/g lipid 110 * * * <LOD <LOD <LOD 5.12 17.3% 0.007 ng/mL
BDE 183 BDE 183 ng/g lipid 110 * * * <LOD <LOD <LOD <LOD 3.6% 0.007 ng/mL
BDE 197 BDE 197 ng/g lipid 110 * * * <LOD <LOD 1.76 4.38 42.7% 0.007 ng/mL
BDE 201 BDE 201 ng/g lipid 110 * * * <LOD <LOD <LOD <LOD 4.5% 0.006 ng/mL
BDE 202 BDE 202 ng/g lipid 110 * * * <LOD <LOD <LOD <LOD 0.9% 0.007 ng/mL
BDE 203 BDE 203 ng/g lipid 110 * * * <LOD <LOD <LOD <LOD 0.9% 0.007 ng/mL
BDE 206 BDE 206 ng/g lipid 110 * * * <LOD <LOD <LOD <LOD 4.5% 0.009 ng/mL
BDE 207 BDE 207 ng/g lipid 110 * * * <LOD <LOD <LOD 2.57 18.2% 0.011 ng/mL
BDE 208 BDE 208 ng/g lipid 110 * * * <LOD <LOD <LOD <LOD 2.7% 0.010 ng/mL
BDE 209 BDE 209 ng/g lipid 110 * * * <LOD <LOD 5.65 15.5 38.2% 0.030 ng/mL

Chemical Group: Polychlorinated Biphenyls (PCBs)

  • Measured in: Serum
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
PCB 066 PCB 066 ng/g lipid 110 * * * <LOD <LOD 1.45 2.84 38.2% 0.00800 ng/mL
PCB 074 PCB 074 ng/g lipid 110 3.63 3.12 4.23 1.91 3.27 7.18 13.1 92.7% 0.00800 ng/mL
PCB 099 PCB 099 ng/g lipid 110 2.89 2.49 3.36 1.61 2.81 4.31 11.9 85.5% 0.00800 ng/mL
PCB 101 PCB 101 ng/g lipid 110 * * * <LOD <LOD 1.36 2.34 28.2% 0.00800 ng/mL
PCB 105 PCB 105 ng/g lipid 110 * * * <LOD <LOD 1.73 4.54 41.8% 0.00800 ng/mL
PCB 118 PCB 118 ng/g lipid 110 4.84 4.10 5.71 2.43 4.14 8.48 19.8 96.4% 0.00800 ng/mL
PCB 138 PCB 138 ng/g lipid 110 9.60 8.11 11.4 5.18 9.81 16.7 43.4 98.2% 0.00800 ng/mL
PCB 153 PCB 153 ng/g lipid 110 22.0 18.5 26.1 12.8 24.7 40.5 99.0 99.1% 0.00800 ng/mL
PCB 156 PCB 156 ng/g lipid 110 3.48 2.99 4.06 1.85 3.66 5.69 13.7 85.5% 0.00800 ng/mL
PCB 170 PCB 170 ng/g lipid 110 6.30 5.36 7.40 3.99 6.85 11.9 23.2 92.7% 0.00800 ng/mL
PCB 180 PCB 180 ng/g lipid 110 21.8 18.2 26.2 13.8 25.7 41.9 79.6 99.1% 0.00800 ng/mL
PCB 183 PCB 183 ng/g lipid 110 2.00 1.75 2.29 <LOD 1.90 3.26 8.51 66.4% 0.00800 ng/mL
PCB 187 PCB 187 ng/g lipid 110 6.38 5.37 7.58 3.60 6.90 11.7 25.0 91.8% 0.00800 ng/mL
PCB 194 PCB 194 ng/g lipid 110 5.24 4.45 6.17 2.96 5.50 9.87 19.2 89.1% 0.00800 ng/mL
PCB 203 PCB 203 ng/g lipid 110 3.15 2.71 3.66 1.55 3.41 5.35 10.8 81.8% 0.00800 ng/mL

Chemical Group: Polycyclic Aromatic Hydrocarbons (PAHs)

  • 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
1-NAP Naphthalene pg/mL 109 1,650 1,260 2,150 668 1,430 3,630 18,100 100.0% 25 pg/mL
1-PHEN Phenanthrene pg/mL 109 126 106 149 80.2 133 259 478 99.1% 10 pg/mL
1-PYR Pyrene pg/mL 109 93.0 75.1 115 49.3 88.1 177 665 88.1% 20 pg/mL
2-FLUO Fluorene pg/mL 109 246 198 305 121 232 387 2,290 100.0% 20 pg/mL
2-NAP Naphthalene pg/mL 109 4,290 3,450 5,340 1,950 4,190 10,200 25,000 100.0% 20 pg/mL
2-PHEN Phenanthrene pg/mL 109 39.1 33.6 45.5 24.4 41.8 70.3 119 93.6% 10 pg/mL
3-FLUO Fluorene pg/mL 109 124 97.9 157 54.2 103 227 1,580 95.4% 20 pg/mL
3-PHEN Phenanthrene pg/mL 109 57.4 47.8 68.9 31.7 53.1 117 285 96.3% 10 pg/mL
9-FLUO Fluorene pg/mL 109 323 268 389 184 312 607 1,940 99.1% 37 pg/mL

Chemical Group: Pyrethroid Pesticides

  • 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
3-Phenoxybenzoic acid (3-PBA) Cyhalothrin, cypermethrin, deltamethrin, fenpropathrin, permethrin, and/or tralomethrin µg/L 109 0.774 0.609 0.983 0.390 0.736 1.79 5.95 98.2% 0.0500 µg/L
4-Fluoro-3-phenoxybenzoic acid (4F-3-PBA) Cyfluthrin µg/L 109 * * * <LOD <LOD <LOD 0.143 14.7% 0.0500 µg/L
Trans-DCCA Cyfluthrin, cypermethrin, permethrin µg/L 109 0.614 0.476 0.792 0.258 0.555 1.21 7.42 98.2% 0.0500 µg/L
Diverse group of smiling adults

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 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
BPA 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

Chemical Group: Herbicides

  • 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
2,4-D 2_4-D µg/L 218 0.186 0.159 0.217 0.0828 0.166 0.389 1.53 82.6% 0.0502 µg/L

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 315 0.266 0.249 0.285 0.175 0.249 0.393 0.927 100% 0.0111 µg/L
Lead Lead µg/dL 315 0.841 0.776 0.911 0.484 0.825 1.38 2.61 100% 0.0109 µg/dL
Manganese Manganese µg/L 315 9.55 9.24 9.87 7.91 9.57 11.7 15.9 100% 1.00 µg/L
Mercury Mercury µg/L 315 0.826 0.731 0.933 0.437 0.814 1.77 4.88 99.7% 0.0294 µg/L

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
Arsenic Arsenic µg/L 218 11.2 9.74 13.0 5.68 11.4 20.8 73.1 100% 0.0493 µg/L
Cadmium Cadmium µg/g creatinine 218 0.242 0.219 0.267 0.151 0.233 0.396 0.901 93.1% 0.0420 µg/L
Cobalt Cobalt µg/L 218 0.192 0.166 0.223 0.100 0.182 0.343 1.35 99.1% 0.0113 µg/L
Manganese Manganese µg/L 218 * * * <LOD 0.0655 0.115 0.416 59.6% 0.0499 µg/L
Mercury Mercury µg/L 218 0.201 0.168 0.241 0.100 0.222 0.478 1.59 93.6% 0.0163 µg/L
Molybdenum Molybdenum µg/L 218 46.7 41.2 53.1 25.2 51.2 90.6 207 100% 0.0736 µg/L
Thallium Thallium µg/L 218 0.177 0.159 0.196 0.129 0.199 0.295 0.465 99.1% 0.00982 µg/L
Tungsten Tungsten µg/L 218 0.0787 0.0667 0.0929 0.0401 0.0789 0.168 0.563 96.3% 0.00493 µg/L
Uranium Uranium µg/L 218 0.00770 0.00642 0.00923 0.00323 0.00775 0.0161 0.0807 86.2% 0.00134 µg/L

Chemical Group: Organochlorine Pesticides

  • Measured in: Serum
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
beta-Hexachlorocyclohexane (beta-HCH) b-HCH ng/g lipid 217 * * * <LOD <LOD 8.73 62.9 47.5% 0.00800 ng/mL
DDE (para,para) para,para-DDT and/or para,para-DDE ng/g lipid 217 271 235 312 128 234 561 1970 100% 0.0160 ng/mL
DDT (ortho,para) ortho,para-DDT ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 4.2% 0.00800 ng/mL
DDT (para,para) para,para-DDT ng/g lipid 217 2.16 1.96 2.38 <LOD 1.88 3.28 8.86 70.0% 0.00800 ng/mL
Hexachlorobenzene (HCB) HCB ng/g lipid 217 8.93 8.50 9.37 6.99 8.75 11.3 17.5 100% 0.0106 ng/mL
Oxychlordane Chlordane ng/g lipid 217 4.08 3.61 4.61 1.98 4.33 8.01 20.3 85.3% 0.00800 ng/mL
trans-Nonachlor Chlordane ng/g lipid 217 7.40 6.40 8.55 3.69 8.11 15.7 38.1 88.0% 0.00800 ng/mL

Chemical Group: Organophosphate Pesticides

  • 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
IMPY Diazanon µg/L 218 * * * <LOD <LOD 0.107 0.849 38.5% 0.0504 µg/L
TCPy Chlorpyrifos (Chlorpyrifos methyl) µg/L 218 0.974 0.878 1.08 <LOD 1.02 1.54 3.44 75.7% 0.500 µg/L

Chemical Group: Other Pesticides

  • 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
DEET DEET µg/L 218 * * * <LOD <LOD 0.122 0.332 41.3% 0.0503 µg/L

Chemical Group: Perchlorate

  • 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
Perchlorate Perchlorate µg/L 218 2.87 2.52 3.28 1.69 3.00 4.79 16.8 100% 0.010 µg/L
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 337 * * * <LOD <LOD 0.0208 0.0865 49.0% 0.00682 ng/mL
Me-PFOSA-AcOH Me-PFOSA-AcOH ng/mL 337 0.116 0.104 0.129 0.0591 0.117 0.217 0.595 97.6% 0.0114 ng/mL
PFDeA PFDeA ng/mL 337 0.188 0.173 0.205 0.106 0.188 0.305 0.662 82.5% 0.0877 ng/mL
PFDoA PFDoA ng/mL 337 * * * <LOD <LOD <LOD <LOD 3.3% 0.148 ng/mL
PFHpA PFHpA ng/mL 337 * * * <LOD 0.0228 0.0545 0.144 64.7% 0.0121 ng/mL
PFHxS PFHxS ng/mL 337 1.03 0.937 1.13 0.615 1.12 1.78 3.57 99.1% 0.0538 ng/mL
PFNA PFNA ng/mL 337 0.787 0.726 0.853 0.535 0.846 1.26 2.46 99.1% 0.0282 ng/mL
PFOA PFOA ng/mL 337 1.49 1.36 1.63 1.02 1.65 2.42 4.57 99.1% 0.0212 ng/mL
PFOS PFOS ng/mL 337 5.21 4.77 5.69 3.34 5.31 8.70 17.6 99.4% 0.0943 ng/mL
PFOSA PFOSA ng/mL 337 * * * <LOD <LOD <LOD 0.0954 28.2% 0.0426 ng/mL
PFUA PFUA ng/mL 337 0.106 0.0958 0.117 0.0567 0.112 0.205 0.502 83.4% 0.0371 ng/mL

Chemical Group: Phthalates

  • 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
MBzP Benzylbutyl phthalate (BzBP) µg/L 218 6.00 5.13 7.02 3.00 6.03 11.9 54.8 100% 0.200 µg/L
MCHP Dicyclohexyl phthalate (DCHP) µg/L 218 * * * <LOD <LOD <LOD <LOD 0.459% 0.100 µg/L
MCPP Di-n-octyl phthalate (DnOP) µg/L 218 1.91 1.62 2.24 0.943 1.77 4.19 16.0 99.1% 0.100 µg/L
MECPP Di-2-ethylhexyl phthalate (DEHP) µg/L 218 9.72 8.51 11.1 5.56 10.2 18.6 47.9 100% 0.190 µg/L
MEHHP Di-2-ethylhexyl phthalate (DEHP) µg/L 218 6.19 5.37 7.13 3.58 6.81 11.8 31.3 99.5% 0.190 µg/L
MEHP Di-2-ethylhexyl phthalate (DEHP) µg/L 218 1.89 1.60 2.23 0.909 2.08 4.31 13.7 93.6% 0.190 µg/L
MEOHP Di-2-ethylhexyl phthalate (DEHP) µg/L 218 4.43 3.86 5.09 2.45 4.66 7.96 19.7 99.5% 0.100 µg/L
MEP Diethyl phthalate (DEP) µg/L 218 52.4 43.9 62.6 21.2 46.1 110 826 100% 0.460 µg/L
MIBP Di-isobutyl phthalate (DIBP) µg/L 218 7.12 6.21 8.16 3.84 6.71 12.0 38.0 94.0% 1.60 µg/L
MnBP Dibutyl phthalate (DBP), Benzylbutyl phthalate (BzBP) µg/L 218 14.3 12.4 16.6 7.74 16.2 27.8 79.7 98.2% 0.910 µg/L

Chemical Group: Polybrominated Diphenyl Ethers (PBDEs)

  • Measured in: Serum
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
BDE 017 BDE 17 ng/g lipid 217 * * * * * * * 0% 0.008 ng/mL
BDE 028 BDE 28 ng/g lipid 217 * * * <LOD <LOD 2.41 5.38 48.8% 0.008 ng/mL
BDE 047 BDE 47 ng/g lipid 217 20.3 17.8 23.2 9.77 21.7 37.0 119 98.6% 0.017 ng/mL
BDE 066 BDE 66 ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 1.4% 0.008 ng/mL
BDE 085 BDE 85 ng/g lipid 217 * * * <LOD <LOD <LOD 2.34 9.2% 0.008 ng/mL
BDE 099 BDE 99 ng/g lipid 217 4.31 3.77 4.92 2.03 3.84 8.55 27.0 89.4% 0.009 ng/mL
BDE 100 BDE 100 ng/g lipid 217 4.31 3.76 4.94 1.85 4.11 8.89 26.2 86.6% 0.008 ng/mL
BDE 153 BDE 153 ng/g lipid 217 11.1 9.73 12.8 5.72 10.3 20.0 65.6 93.1% 0.016 ng/mL
BDE 154 BDE 154 ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 3.7% 0.016 ng/mL
BDE 183 BDE 183 ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0.5% 0.016 ng/mL
BDE 197 BDE 197 ng/g lipid 217 * * * <LOD <LOD <LOD 3.81 9.7% 0.016 ng/mL
BDE 201 BDE 201 ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0.5% 0.016 ng/mL
BDE 202 BDE 202 ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0.5% 0.016 ng/mL
BDE 203 BDE 203 ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0.5% 0.016 ng/mL
BDE 206 BDE 206 ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0.9% 0.020 ng/mL
BDE 207 BDE 207 ng/g lipid 217 * * * <LOD <LOD <LOD 4.30 5.1% 0.020 ng/mL
BDE 208 BDE 208 ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0.9% 0.020 ng/mL
BDE 209 BDE 209 ng/g lipid 190 * * * <LOD <LOD <LOD <LOD 0.5% 0.257 ng/mL

Chemical Group: Polychlorinated Biphenyls (PCBs)

  • Measured in: Serum
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
PCB 066 PCB 066 ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 3.23% 0.00800 ng/mL
PCB 074 PCB 074 ng/g lipid 217 * * * <LOD <LOD <LOD 11.6 22.1% 0.00800 ng/mL
PCB 099 PCB 099 ng/g lipid 217 2.05 1.87 2.25 1.18 1.83 3.17 6.62 84.3% 0.00800 ng/mL
PCB 101 PCB 101 ng/g lipid 217 0.983 0.938 1.03 0.796 0.933 1.18 1.68 94.9% 0.00800 ng/mL
PCB 105 PCB 105 ng/g lipid 217 1.16 1.09 1.24 0.863 1.10 1.43 2.74 98.2% 0.00800 ng/mL
PCB 118 PCB 118 ng/g lipid 217 * * * <LOD <LOD 5.21 12.0 57.1% 0.00800 ng/mL
PCB 138 PCB 138 ng/g lipid 217 6.01 5.30 6.83 2.92 5.69 13.5 30.2 80.6% 0.00800 ng/mL
PCB 153 PCB 153 ng/g lipid 217 12.5 10.7 14.4 5.30 12.0 29.5 73.1 97.2% 0.00800 ng/mL
PCB 156 PCB 156 ng/g lipid 217 * * * <LOD <LOD 4.18 9.90 52.1% 0.00800 ng/mL
PCB 170 PCB 170 ng/g lipid 217 4.25 3.71 4.86 1.72 4.28 9.57 21.9 77.4% 0.00800 ng/mL
PCB 180 PCB 180 ng/g lipid 217 11.8 10.1 13.9 <LOD 12.7 31.4 73.8 66.4% 0.00800 ng/mL
PCB 183 PCB 183 ng/g lipid 217 1.81 1.65 1.98 <LOD 1.63 2.94 6.67 68.2% 0.00800 ng/mL
PCB 187 PCB 187 ng/g lipid 217 * * * <LOD <LOD <LOD 21.0 8.3% 0.00800 ng/mL
PCB 194 PCB 194 ng/g lipid 217 * * * <LOD <LOD 6.19 13.6 52.5% 0.00800 ng/mL
PCB 203 PCB 203 ng/g lipid 217 2.98 2.63 3.37 <LOD 2.70 6.29 13.4 65.4% 0.00800 ng/mL

Chemical Group: Polycyclic Aromatic Hydrocarbons (PAHs)

  • 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
1-NAP Naphthalene pg/mL 218 1100 919 1320 472 1050 2670 12400 99.1% 25 pg/mL
1-PHEN Phenanthrene pg/mL 218 99.6 87.0 114 60.7 104 182 445 97.7% 10 pg/mL
1-PYR Pyrene pg/mL 218 100 86.4 116 52.0 100 201 556 91.3% 20 pg/mL
2-FLUO Fluorene pg/mL 218 191 166 220 102 193 357 1150 98.6% 20 pg/mL
2-NAP Naphthalene pg/mL 218 3830 3260 4500 1680 4040 10000 22200 100% 20 pg/mL
2-PHEN Phenanthrene pg/mL 218 35.1 31.0 39.6 20.0 37.2 63.6 164 89.9% 10 pg/mL
3-FLUO Fluorene pg/mL 218 87.9 75.5 102 43.9 77.5 156 844 90.4% 20 pg/mL
3-PHEN Phenanthrene pg/mL 218 53.6 46.7 61.6 31.6 55.9 97.9 278 93.1% 10 pg/mL
9-FLUO Fluorene pg/mL 218 248 218 283 138 249 459 1210 97.2% 37 pg/mL

Chemical Group: Pyrethroid Pesticides

  • 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
3-Phenoxybenzoic acid (3-PBA) Cyhalothrin, cypermethrin, deltamethrin, fenpropathrin, permethrin, and/or tralomethrin µg/L 218 0.741 0.620 0.886 0.331 0.800 1.61 5.92 94.0% 0.0500 µg/L
4-Fluoro-3-phenoxybenzoic acid (4F-3-PBA) Cyfluthrin µg/L 218 * * * <LOD <LOD <LOD 0.0936 15.6% 0.0500 µg/L
Trans-DCCA Cyfluthrin, cypermethrin, permethrin µg/L 218 0.488 0.405 0.588 0.213 0.434 1.22 6.00 93.1% 0.0501 µg/L
Logo shows three young bears in yellow color standing in a row holding hands, with the name of the study shown in blue

Chemical Group: Organochlorine Pesticides

  • Measured in: Serum
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
beta-Hexachlorocyclohexane (beta-HCH) b-HCH ng/g lipid 48 5.7 3.8 8.5 <LOD 5.9 10 29 69% 0.010 ng/mL
DDE (para,para) DDT (para,para) and/or DDE (para,para) ng/g lipid 48 190 160 230 120 180 290 420 100% 0.027 ng/mL
DDT (ortho,para) DDT (ortho,para) ng/g lipid 48 3.7 3.0 4.6 <LOD 5.3 7.1 8.2 69% 0.012 ng/mL
DDT (para,para) DDT (para,para) ng/g lipid 48 4.3 3.5 5.2 3.3 4.1 6.3 9.0 88% 0.010 ng/mL
Hexachlorobenzene (HCB) HCB ng/g lipid 48 7.7 7.2 8.1 6.8 7.8 8.5 10 100% 0.010 ng/mL
Oxychlordane Chlordane ng/g lipid 48 4.6 4.1 5.2 3.9 5.0 5.8 7.1 98% 0.010 ng/mL
trans-Nonachlor Chlordane ng/g lipid 48 8.8 7.7 10 6.7 8.8 11 15 100% 0.011 ng/mL

Chemical Group: Polybrominated Diphenyl Ethers (PBDEs)

  • Measured in: Serum
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
BDE 047 BDE 47 ng/g lipid 48 43 33 56 23 35 68 110 98% 0.074 ng/mL
BDE 099 BDE 99 ng/g lipid 48 11 8.5 14 6.5 10.1 12.7 25 100% 0.018 ng/mL
BDE 100 BDE 100 ng/g lipid 48 12 10 15 8.0 10 15 22 100% 0.015 ng/mL
BDE 153 BDE 153 ng/g lipid 48 10 7.6 14 5.0 8.9 16 46 96% 0.015 ng/mL
BDE 154 BDE 154 ng/g lipid 48 * * * <LOD <LOD 3.6 5.7 48% 0.015 ng/mL

Chemical Group: Polychlorinated Biphenyls (PCBs)

  • Measured in: Serum
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
PCB 028 PCB 28 ng/g lipid 48 4.1 3.6 4.7 <LOD 3.6 4.3 6.8 100% 0.010 ng/mL
PCB 066 PCB 66 ng/g lipid 48 2.2 1.9 2.4 1.7 2.3 2.9 3.4 85% 0.010 ng/mL
PCB 074 PCB 74 ng/g lipid 48 3.0 2.7 3.3 2.4 3.2 3.8 4.2 98% 0.010 ng/mL
PCB 099 PCB 99 ng/g lipid 48 2.7 2.5 3.1 2.2 3.0 3.5 4.3 90% 0.010 ng/mL
PCB 101 PCB 101 ng/g lipid 48 1.7 1.5 1.9 <LOD 1.8 2.3 2.9 65% 0.010 ng/mL
PCB 105 PCB 105 ng/g lipid 48 1.9 1.7 2.1 <LOD 2.0 2.5 2.7 73% 0.010 ng/mL
PCB 118 PCB 118 ng/g lipid 48 4.0 3.7 4.5 3.2 4.0 5.4 6.7 100% 0.010 ng/mL
PCB 138 PCB 138 ng/g lipid 48 6.8 5.9 7.9 4.8 6.4 9.4 14 100% 0.010 ng/mL
PCB 153 PCB 153 ng/g lipid 48 11 8.9 13 6.5 9.7 17 28 100% 0.010 ng/mL
PCB 156 PCB 156 ng/g lipid 48 2.6 2.3 2.9 1.9 2.5 3.4 4.1 94% 0.010 ng/mL
PCB 167 PCB 167 ng/g lipid 48 * * * <LOD 1.6 2.1 2.3 60% 0.010 ng/mL
PCB 170 PCB 170 ng/g lipid 48 4.6 4.0 5.3 3.2 4.4 6.6 9.9 100% 0.010 ng/mL
PCB 180 PCB 180 ng/g lipid 48 10 8.4 12 6.1 9.3 15 25 100% 0.010 ng/mL
PCB 183 PCB 183 ng/g lipid 48 2.2 2.0 2.5 1.6 2.4 2.8 3.3 81% 0.011 ng/mL
PCB 187 PCB 187 ng/g lipid 48 3.5 3.1 4.1 2.5 3.4 4.6 7.2 100% 0.010 ng/mL
PCB 194 PCB 194 ng/g lipid 48 3.1 2.8 3.5 2.3 3.2 4.2 5.4 100% 0.010 ng/mL
PCB 203 PCB 203 ng/g lipid 48 3.0 2.7 3.3 2.2 3.1 4.0 5.3 100% 0.010 ng/mL
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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% 0.0615
PFOSA PFOSA ng/mL 425 * * * <LOD <LOD 0.0145 0.0481 25.4% 0.0144
PFUA PFUA ng/mL 425 0.0829 0.0756 0.0909 0.0412 0.0842 0.164 0.381 82.4% 0.0285

Chemical Group: Organochlorine Pesticides

  • Measured in: Serum
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
beta-Hexachlorocyclohexane (beta-HCH) b-HCH ng/g lipid 793 5.21 4.88 5.57 2.79 5.24 9.66 25.3 84.5% 0.015 ng/mL
DDE (para,para) DDT (para,para) and/or DDE (para,para) ng/g lipid 793 301 283 320 159 298 540 1360 100% 0.015 ng/mL
DDT (ortho,para) DDT (ortho,para) ng/g lipid 793 * * * <LOD <LOD <LOD <LOD 2.3% 0.031 ng/mL
DDT (para,para) DDT (para,para) ng/g lipid 793 1.94 1.87 2.02 <LOD 1.84 2.58 5.47 67.7% 0.015 ng/mL
Hexachlorobenzene (HCB) HCB ng/g lipid 793 12.0 11.7 12.2 9.75 11.9 14.3 20.8 100% 0.015 ng/mL
Oxychlordane Oxychlordane ng/g lipid 793 8.34 7.95 8.75 5.52 8.63 13.0 23.6 98.1% 0.015 ng/mL
trans-Nonachlor t-Nonachlor ng/g lipid 793 15.3 14.6 16.0 10.1 14.8 23.4 49.4 99.9% 0.015 ng/mL
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 EtPFOSAAcOH ng/mL 1759 0.031 0.029 0.032 0.015 0.030 0.060 0.20 84.5% 0.011
Me-PFOSA-AcOH MePFOSAAcOH ng/mL 1759 0.20 0.19 0.21 0.10 0.20 0.41 1.3 98.4% 0.013
PFBuS PFBuS ng/mL 614 *,# * * <LOD <LOD <LOD 0.067 18.4% 0.022
PFDeA PFDeA ng/mL 1759 0.22 0.21 0.23 0.15 0.23 0.35 0.67 94.7% 0.032
PFDoA PFDoA ng/mL 1737 * * * <LOD <LOD <LOD 0.093 10.8% 0.036
PFHpA PFHpA ng/mL 1759 0.054 0.052 0.057 <LOD 0.054 0.11 0.28 74% 0.015
PFHxS PFHxS ng/mL 1759 1.62 1.56 1.68 1.04 1.58 2.50 6.24 99.9% 0.012
PFNA PFNA ng/mL 1719 0.92 0.89 0.95 0.67 0.95 1.3 2.3 99.7% 0.014
PFOA PFOA ng/mL 1759 2.46 2.39 2.53 1.69 2.50 3.63 6.22 99.9% 0.029
PFOS PFOS ng/mL 1759 6.80 6.56 7.04 4.57 7.14 10.9 19.5 99.8% 0.083
PFOSA PFOSA ng/mL 1597 0.036 0.034 0.039 <LOD 0.036 0.075 0.25 74.1% 0.01
PFUA PFUA ng/mL 1759 0.13 0.12 0.13 0.081 0.14 0.23 0.42 96.8% 0.01

Chemical Group: Polybrominated Diphenyl Ethers (PBDEs)

  • Measured in: Serum
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
BDE 017 BDE 17 ng/g lipid 1980 * * * <LOD <LOD <LOD <LOD 0.2% 0.006 ng/mL
BDE 028 BDE 28 ng/g lipid 1980 * * * <LOD <LOD 1.96 4.73 42.9% 0.008 ng/mL
BDE 047 BDE 47 ng/g lipid 1980 14.1 13.6 14.7 7.22 13.1 25.3 73.5 86.4% 0.024 ng/mL
BDE 066 BDE 66 ng/g lipid 1980 * * * <LOD <LOD <LOD <LOD 0.05% 0.007 ng/mL
BDE 085 BDE 85 ng/g lipid 1980 * * * <LOD <LOD <LOD 1.87 7.8% 0.002 ng/mL
BDE 099 BDE 99 ng/g lipid 1980 * * * <LOD <LOD 5.00 16.0 44.3% 0.018 ng/mL
BDE 100 BDE 100 ng/g lipid 1980 2.62 2.50 2.73 1.19 2.31 4.71 15.7 75.9% 0.004 ng/mL
BDE 153 BDE 153 ng/g lipid 1980 5.60 5.34 5.85 2.66 4.75 9.48 43.1 77% 0.009 ng/mL
BDE 154 BDE 154 ng/g lipid 1980 * * * <LOD <LOD <LOD <LOD 3.9% 0.007 ng/mL
BDE 183 BDE 183 ng/g lipid 1980 * * * <LOD <LOD <LOD <LOD 1.7% 0.007 ng/mL
BDE 197 BDE 197 ng/g lipid 1980 * * * <LOD <LOD <LOD 3.58 8.4% 0.005 ng/mL
BDE 201 BDE 201 ng/g lipid 1980 * * * <LOD <LOD <LOD <LOD 2.5% 0.005 ng/mL
BDE 202 BDE 202 ng/g lipid 1980 * * * <LOD <LOD <LOD <LOD 2.9% 0.005 ng/mL
BDE 203 BDE 203 ng/g lipid 1980 * * * <LOD <LOD <LOD <LOD 2.1% 0.005 ng/mL
BDE 206 BDE 206 ng/g lipid 1862 * * * <LOD <LOD <LOD <LOD 3.3% 0.004 ng/mL
BDE 207 BDE 207 ng/g lipid 1857 * * * <LOD <LOD <LOD 4.56 9.3% 0.006 ng/mL
BDE 208 BDE 208 ng/g lipid 1814 * * * <LOD <LOD <LOD <LOD 3.7% 0.003 ng/mL
BDE 209 BDE 209 ng/g lipid 1797 * * * <LOD <LOD <LOD 33.3 8.7% 0.053 ng/mL

Chemical Group: Polychlorinated Biphenyls (PCBs)

  • Measured in: Serum
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
PCB 066 PCB 66 ng/g lipid 793 * * * <LOD <LOD 1.68 3.07 39.8% 0.015 ng/mL
PCB 074 PCB 74 ng/g lipid 793 5.96 5.67 6.26 3.84 6.43 9.53 17.7 96.5% 0.015 ng/mL
PCB 099 PCB 99 ng/g lipid 793 3.11 2.97 3.27 2.01 3.07 4.82 9.73 90.4% 0.015 ng/mL
PCB 101 PCB 101 ng/g lipid 793 * * * <LOD <LOD <LOD <LOD 3.3% 0.015 ng/mL
PCB 105 PCB 105 ng/g lipid 793 * * * <LOD 1.46 2.02 4.39 53% 0.015 ng/mL
PCB 118 PCB 118 ng/g lipid 793 6.50 6.18 6.83 4.09 6.41 10.4 22.0 99% 0.015 ng/mL
PCB 138 PCB 138 ng/g lipid 793 12.9 12.3 13.5 8.39 13.5 20.5 37.1 99.5% 0.015 ng/mL
PCB 153 PCB 153 ng/g lipid 793 28.7 27.5 30.0 19.5 30.1 43.6 72.9 100% 0.015 ng/mL
PCB 156 PCB 156 ng/g lipid 793 4.92 4.72 5.12 3.55 5.22 7.23 11.8 96.7% 0.015 ng/mL
PCB 170 PCB 170 ng/g lipid 793 9.18 8.82 9.55 6.68 9.68 13.5 20.7 99.4% 0.015 ng/mL
PCB 180 PCB 180 ng/g lipid 793 31.5 30.3 32.9 22.4 33.3 48.4 76.8 100% 0.015 ng/mL
PCB 183 PCB 183 ng/g lipid 793 2.37 2.27 2.47 1.65 2.4 3.5 5.98 82% 0.015 ng/mL
PCB 187 PCB 187 ng/g lipid 793 7.25 6.92 7.59 4.83 7.65 11.04 20.2 98.4% 0.015 ng/mL
PCB 194 PCB 194 ng/g lipid 793 7.52 7.23 7.83 5.37 7.83 11.09 17.88 99.6% 0.015 ng/mL
PCB 203 PCB 203 ng/g lipid 793 6.47 6.17 6.78 4.36 6.75 10.14 16.71 97.2% 0.015 ng/mL
Chamacos logo shows a drawing of a sun with a face on it, and beneath this, a scroll with the word "chamacos"

Chemical Group: Phthalates

  • 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
MEP Diethyl phthalate (DEP) μg/L 49 85 63.1 115 41.3 70.0 211 403 100% 8.0
MnBP Dibutyl phthalate (DBP), Benzylbutyl phthalate (BzBP) μg/L 49 46.9 37.0 59.4 26.8 49.0 75.2 115 100% 2.0
Firefighters fighting flames, wearing full protective suits and holding large hoses spraying water

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 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
BPA 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

Chemical Group: Herbicides

  • 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
2,4,5-T 2,4,5-T μg/L 101 * * * <LOD <LOD <LOD <LOD 0% 0.050
2,4-D 2,4-D μg/L 101 0.27 0.21 0.34 0.13 0.28 0.51 1.46 90.1% 0.050

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)
Cadmium Cadmium μg/L 101 0.19 0.18 0.21 0.15 0.20 0.24 0.35 78.2% 0.15
Lead Lead μg/dL 101 0.957 0.872 1.05 0.690 0.950 1.22 2.01 100% 0.02
Manganese Manganese μg/L 101 7.61 7.26 7.98 6.50 7.70 8.79 11.4 100% 0.54
Mercury Mercury μg/L 101 2.79 2.36 3.30 1.82 2.90 5.48 9.79 100% 0.06

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 90th Detection frequency Limit of Detection (LOD), wet-weight
Arsenic Arsenic μg/L 101 10.8 9.03 12.9 6.05 10.4 21.0 34.9 100% 0.158
Cadmium Cadmium μg/g creatinine 101 0.145 0.132 0.160 <LOD 0.138 0.190 0.277 69.7% 0.105 μg/L
Manganese Manganese μg/L 99 * * * <LOD <LOD <LOD <LOD 9.1% 0.184
Mercury Mercury μg/L 101 0.455 0.382 0.542 0.221 0.447 0.914 1.28 100% 0.0522

Chemical Group: Organochlorine Pesticides

  • Measured in: Serum
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
beta-Hexachlorocyclohexane (beta-HCH) beta-HCH ng/g lipid 101 2.19 2.00 2.41 1.68 2.23 2.83 4.64 97.0% 0.005 ng/mL
DDE (para,para) para,para-DDT and/or para,para-DDE ng/g lipid 101 177 161 196 125 182 245 394 100% 0.009 ng/mL
DDT (ortho,para) ortho,para-DDT ng/g lipid 101 * * * <LOD <LOD <LOD <LOD 4.0% 0.005 ng/mL
DDT (para,para) para,para-DDT ng/g lipid 101 1.34 1.20 1.50 <LOD 1.43 2.07 3.08 74.3% 0.005 ng/mL
Hexachlorobenzene (HCB) HCB ng/g lipid 101 11.8 11.3 12.4 10.3 11.7 13.2 17.6 100% 0.007 ng/mL
Oxychlordane Chlordane ng/g lipid 101 4.08 3.64 4.56 2.73 4.31 5.80 9.63 99.0% 0.005 ng/mL
trans-Nonachlor Chlordane ng/g lipid 101 7.32 6.57 8.15 5.07 7.32 10.2 16.6 100% 0.005 ng/mL

Chemical Group: Organophosphate Pesticides

  • 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
IMPY Diazinon μg/L 101 0.16 0.12 0.20 <LOD 0.18 0.42 1.2 66.3% 0.050
TCPy Chlorpyrifos μg/L 101 1.78 1.47 2.15 0.823 1.96 3.32 10.4 89.1% 0.50
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)
Et-PFOSA-AcOH EtPFOSAAcOH ng/mL 101 0.016 0.014 0.018 <LOD 0.016 0.023 0.060 65.3% 0.011
Me-PFOSA-AcOH MePFOSAAcOH ng/mL 101 0.16 0.13 0.18 0.086 0.14 0.24 0.61 100% 0.013
PFBuS PFBuS ng/mL 101 * * * <LOD <LOD <LOD 0.020 6.9% 0.02
PFDeA PFDeA ng/mL 101 0.899 0.783 1.03 0.512 0.721 1.72 2.63 100% 0.032
PFDoA PFDoA ng/mL 101 * * * <LOD <LOD <LOD <LOD 0% 0.040
PFHpA PFHpA ng/mL 101 0.13 0.11 0.15 0.06 0.12 0.22 0.63 75.2% 0.059
PFHxS PFHxS ng/mL 101 2.26 2 2.54 1.61 2.27 3.13 4.64 100% 0.012
PFNA PFNA ng/mL 101 1.15 1.06 1.25 0.888 1.13 1.49 2.21 100% 0.075
PFOA PFOA ng/mL 101 3.75 3.37 4.17 2.96 3.86 4.89 9.54 100% 0.301
PFOS PFOS ng/mL 101 12.5 11.3 13.8 10.1 12.7 16.8 24.7 100% 0.083
PFOSA PFOSA ng/mL 101 0.032 0.027 0.037 0.019 0.029 0.050 0.151 95.0% 0.009
PFUA PFUA ng/mL 101 0.24 0.21 0.27 0.17 0.26 0.37 0.53 100% 0.010

Chemical Group: Phthalates

  • 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
MBzP Benzylbutyl phthalate (BzBP) μg/L 101 8.18 6.56 10.2 3.93 7.76 14.9 41.3 100% 0.25
MCHP Dicyclohexyl phthalate (DCHP) μg/L 101 * * * <LOD <LOD <LOD <LOD 4.0% 0.50
MCPP Di-n-octyl phthalate (DnOP) μg/L 101 1.88 1.46 2.42 0.819 1.69 4.07 21.1 98.0% 0.125
MECPP Di-2-ethylhexyl phthalate (DEHP) μg/L 101 12.3 10.1 14.9 5.89 12.4 23.2 58.3 100% 0.50
MEP Diethyl phthalate (DEP) μg/L 101 52.9 38.1 73.4 20.6 46.6 168 740 79.2% 8.0
MnBP Dibutyl phthalate (DBP), Benzylbutyl phthalate (BzBP) μg/L 101 10.6 8.83 12.8 5.69 10.6 20.2 40.6 97.0% 2.0

Chemical Group: Polybrominated Diphenyl Ethers (PBDEs)

  • Measured in: Serum
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
BDE 017 BDE 17 ng/g lipid 101 * * * <LOD <LOD <LOD <LOD 1.0% 0.003 ng/mL
BDE 028 BDE 28 ng/g lipid 101 1.70 1.50 1.93 1.17 1.63 2.38 5.09 97.0% 0.003 ng/mL
BDE 047 BDE 47 ng/g lipid 101 32.2 27.8 37.5 19.3 29.9 47.9 150 99.0% 0.038 ng/mL
BDE 066 BDE 66 ng/g lipid 101 * * * <LOD <LOD <LOD 0.635 5.9% 0.003 ng/mL
BDE 085 BDE 85 ng/g lipid 101 * * * <LOD <LOD 0.655 1.82 34.7% 0.003 ng/mL
BDE 099 BDE 99 ng/g lipid 101 6.19 5.35 7.17 3.54 5.79 9.12 22.6 90.1% 0.017 ng/mL
BDE 100 BDE 100 ng/g lipid 101 5.68 4.77 6.75 3.31 5.14 8.14 32.7 98.0% 0.005 ng/mL
BDE 153 BDE 153 ng/g lipid 101 15.4 12.9 18.2 9.01 12.9 21.1 63.1 100% 0.005 ng/mL
BDE 154 BDE 154 ng/g lipid 101 * * * <LOD <LOD <LOD 2.71 19.8% 0.007 ng/mL
BDE 183 BDE 183 ng/g lipid 101 * * * <LOD <LOD <LOD <LOD 5.0% 0.007 ng/mL
BDE 197 BDE 197 ng/g lipid 101 * * * <LOD 1.25 1.93 3.84 62.4% 0.007 ng/mL
BDE 201 BDE 201 ng/g lipid 101 * * * <LOD <LOD <LOD <LOD 5.0% 0.007 ng/mL
BDE 202 BDE 202 ng/g lipid 101 * * * <LOD <LOD <LOD <LOD 1.0% 0.007 ng/mL
BDE 203 BDE 203 ng/g lipid 101 * * * <LOD <LOD <LOD <LOD 1.0% 0.007 ng/mL
BDE 206 BDE 206 ng/g lipid 101 * * * <LOD <LOD <LOD 1.99 11.9% 0.009 ng/mL
BDE 207 BDE 207 ng/g lipid 101 * * * <LOD 1.31 1.72 4.53 50.5% 0.009 ng/mL
BDE 208 BDE 208 ng/g lipid 101 * * * <LOD <LOD <LOD 1.59 7.9% 0.009 ng/mL
BDE 209 BDE 209 ng/g lipid 101 * * * <LOD <LOD 28.3 93.7 28.7% 0.150 ng/mL

Chemical Group: Polychlorinated Biphenyls (PCBs)

  • Measured in: Serum
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
PCB 066 PCB 66 ng/g lipid 101 1.17 1.09 1.25 <LOD 1.19 1.41 1.88 74.3% 0.007 ng/mL
PCB 074 PCB 74 ng/g lipid 101 1.77 1.61 1.95 1.33 1.73 2.33 4.02 96.0% 0.005 ng/mL
PCB 099 PCB 99 ng/g lipid 101 1.76 1.61 1.93 1.34 1.74 2.32 3.65 98.0% 0.005 ng/mL
PCB 101 PCB 101 ng/g lipid 101 * * * <LOD 1.09 1.43 1.89 50.5% 0.008 ng/mL
PCB 105 PCB 105 ng/g lipid 101 * * * <LOD <LOD 0.848 1.25 45.5% 0.005 ng/mL
PCB 118 PCB 118 ng/g lipid 101 2.66 2.46 2.87 2.15 2.75 3.25 5.11 99.0% 0.006 ng/mL
PCB 138 PCB 138 ng/g lipid 101 5.53 4.98 6.15 3.55 5.54 8.04 11.9 100% 0.005 ng/mL
PCB 153 PCB 153 ng/g lipid 101 12.2 10.8 13.7 8.18 12.9 18.9 29.8 100% 0.005 ng/mL
PCB 156 PCB 156 ng/g lipid 101 1.84 1.61 2.09 1.21 1.88 3.09 5.23 88.1% 0.005 ng/mL
PCB 170 PCB 170 ng/g lipid 101 3.64 3.16 4.19 2.21 3.85 5.95 10.3 97.0% 0.005 ng/mL
PCB 180 PCB 180 ng/g lipid 101 13.4 11.7 15.4 8.44 14.7 22.4 37.7 100% 0.006 ng/mL
PCB 183 PCB 183 ng/g lipid 101 1.03 0.930 1.15 <LOD 1.04 1.51 2.33 67.3% 0.005 ng/mL
PCB 187 PCB 187 ng/g lipid 101 2.99 2.61 3.42 1.87 2.94 5.32 7.84 97.0% 0.005 ng/mL
PCB 194 PCB 194 ng/g lipid 101 3.37 2.89 3.93 1.91 3.38 6.04 11.4 98.0% 0.005 ng/mL
PCB 203 PCB 203 ng/g lipid 101 3.37 2.92 3.89 1.91 3.83 6.30 9.37 98.0% 0.005 ng/mL

Chemical Group: Polycyclic Aromatic Hydrocarbons (PAHs)

  • 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
1-NAP Naphthalene ng/L 101 1290 1030 1610 613 1300 2210 8270 100% 25.0
1-PHEN Phenanthrene ng/L 101 120 103 138 75.0 119 196 455 100% 10.0
1-PYR Pyrene ng/L 101 87.2 72.8 105 50.2 84.2