Project Results for Biomonitoring Exposures Study (BEST) - 2.Expanded

You may use, distribute or copy the information in these data tables, with attribution to Biomonitoring California.
For more information, visit our researchers page or contact us.
Results on page last updated:

Chemical Group: Environmental Phenols

  • 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
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

Chemical Group: Herbicides

  • 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
2,4-D 2,4-D NA µg/L 218 0.173 0.137 0.217 0.0807 0.159 0.302 1.29 81.9% 0.0500 µg/L
2,4-D 2,4-D Creatinine µg/g creatinine 218 0.189 0.153 0.233 0.113 0.185 0.323 1.61 81.9% 0.0500 µg/L

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 315 0.247 0.220 0.277 0.161 0.227 0.380 0.939 100% 0.0111 µg/L
Lead Lead NA µg/dL 315 0.749 0.664 0.846 0.416 0.703 1.31 2.43 100% 0.0109 µg/dL
Manganese Manganese NA µg/L 315 9.17 8.76 9.60 7.63 9.08 10.8 15.7 100% 1.00 µg/L
Mercury Mercury NA µg/L 315 0.677 0.573 0.799 0.339 0.693 1.26 3.52 99.9% 0.0294 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
Arsenic Arsenic NA µg/L 218 8.60 7.05 10.5 5.08 10.3 14.0 41.6 100% 0.0493 µg/L
Arsenic Arsenic Creatinine µg/g creatinine 218 9.40 8.25 10.71 5.35 9.29 13.8 29 100% 0.0493 µg/L
Cadmium Cadmium NA µg/L 218 0.184 0.145 0.235 0.0932 0.173 0.412 1.02 87.8% 0.0420 µg/L
Cadmium Cadmium Creatinine µg/g creatinine 218 0.202 0.166 0.245 0.111 0.193 0.334 0.928 87.8% 0.0420 µg/L
Cobalt Cobalt NA µg/L 218 0.190 0.146 0.247 0.0872 0.181 0.417 1.24 98.5% 0.0113 µg/L
Cobalt Cobalt Creatinine µg/g creatinine 218 0.207 0.168 0.256 0.113 0.166 0.305 1.36 98.5% 0.0113 µg/L
Manganese Manganese NA µg/L 218 * * * <LOD 0.0555 0.106 0.461 56.3% 0.0449 µg/L
Manganese Manganese Creatinine µg/g creatinine 218 * * * <LOD 0.0632 0.123 0.89 56.3% 0.0449 µg/L
Mercury Mercury NA µg/L 218 0.148 0.114 0.194 0.0766 0.154 0.358 1.09 93.9% 0.0163 µg/L
Mercury Mercury Creatinine µg/g creatinine 218 0.162 0.130 0.202 0.0756 0.182 0.314 0.811 93.9% 0.0163 µg/L
Molybdenum Molybdenum NA µg/L 218 40.4 31.8 51.4 20.0 48.6 81.1 202 100% 0.0736 µg/L
Molybdenum Molybdenum Creatinine µg/g creatinine 218 44.2 36.9 52.9 28.8 40.2 71.0 158 100% 0.0736 µg/L
Thallium Thallium NA µg/L 218 0.164 0.136 0.197 0.125 0.182 0.296 0.373 98.4% 0.00982 µg/L
Thallium Thallium Creatinine µg/g creatinine 218 0.179 0.161 0.198 0.135 0.180 0.247 0.392 98.4% 0.00982 µg/L
Tungsten Tungsten NA µg/L 218 0.0762 0.0584 0.0994 0.0447 0.0924 0.155 0.333 95.8% 0.00493 µg/L
Tungsten Tungsten Creatinine µg/g creatinine 218 0.0833 0.0684 0.101 0.0475 0.0812 0.141 0.399 95.8% 0.00493 µg/L
Uranium Uranium NA µg/L 218 0.00709 0.00533 0.00944 0.00215 0.00752 0.0181 0.0635 82.0% 0.00134 µg/L
Uranium Uranium Creatinine µg/g creatinine 218 0.00775 0.00606 0.00990 0.00349 0.00664 0.0149 0.0645 82.0% 0.00134 µg/L

Chemical Group: Organochlorine Pesticides

  • 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
beta-Hexachlorocyclohexane (beta-HCH) b-HCH Lipids ng/g lipid 217 * * * <LOD <LOD 5.22 24.7 35.5% 0.00800 ng/mL
DDE (para,para) para,para-DDT and/or para,para-DDE Lipids ng/g lipid 217 217 176 267 110 174 542 1240 100% 0.0160 ng/mL
DDT (ortho,para) ortho,para-DDT Lipids ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 2.5% 0.00800 ng/mL
DDT (para,para) para,para-DDT Lipids ng/g lipid 217 * * * <LOD 1.71 2.58 4.98 64.2% 0.00800 ng/mL
Hexachlorobenzene (HCB) HCB Lipids ng/g lipid 217 8.82 8.21 9.47 7.27 8.71 11.1 16.1 100% 0.0106 ng/mL
Oxychlordane Chlordane Lipids ng/g lipid 217 3.73 3.09 4.50 2.00 3.54 7.37 15.0 83.4% 0.00800 ng/mL
trans-Nonachlor Chlordane Lipids ng/g lipid 217 6.92 5.68 8.44 3.69 6.43 14.9 34.4 89.9% 0.00800 ng/mL

Chemical Group: Organophosphate Pesticides

  • 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
IMPY Diazanon NA µg/L 218 * * * <LOD <LOD 0.199 0.849 47.5% 0.0500 µg/L
IMPY Diazanon Creatinine µg/g creatinine 218 * * * <LOD <LOD 0.216 0.829 47.5% 0.0500 µg/L
TCPy Chlorpyrifos (Chlorpyrifos methyl) NA µg/L 218 0.912 0.792 1.05 <LOD 0.991 1.39 2.72 74.6% 0.500 µg/L
TCPy Chlorpyrifos (Chlorpyrifos methyl) Creatinine µg/g creatinine 218 0.997 0.883 1.13 <LOD 0.953 1.40 2.61 74.6% 0.500 µg/L

Chemical Group: Other Pesticides

  • 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
DEET DEET NA µg/L 218 * * * <LOD <LOD 0.102 0.286 38.5% 0.0500 µg/L
DEET DEET Creatinine µg/g creatinine 218 * * * <LOD <LOD 0.117 0.425 38.5% 0.0500 µg/L

Chemical Group: Perchlorate

  • 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
Perchlorate NA µg/L 218 2.91 2.38 3.56 2.00 2.98 4.59 18.6 100% 0.0100 µg/L
Perchlorate Creatinine µg/g creatinine 218 3.19 2.68 3.79 1.79 2.87 5.47 13.9 100% 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 337 * * * <LOD 0.00732 0.0218 0.0865 51.7% 0.00682 ng/mL
Me-PFOSA-AcOH Me-PFOSA-AcOH NA ng/mL 337 0.120 0.106 0.136 0.0686 0.124 0.202 0.514 98.4% 0.0114 ng/mL
PFDA PFDA NA ng/mL 337 0.162 0.146 0.180 0.0901 0.161 0.262 0.522 79.1% 0.0877 ng/mL
PFDoA PFDoA NA ng/mL 337 * * * <LOD <LOD <LOD <LOD 1.4% 0.148 ng/mL
PFHpA PFHpA NA ng/mL 337 * * * <LOD 0.0189 0.0480 0.135 61.4% 0.0121 ng/mL
PFHxS PFHxS NA ng/mL 337 1.09 0.952 1.26 0.606 1.13 1.85 4.59 99.5% 0.0538 ng/mL
PFNA PFNA NA ng/mL 337 0.739 0.660 0.827 0.497 0.764 1.18 1.95 99.5% 0.0282 ng/mL
PFOA PFOA NA ng/mL 337 1.42 1.26 1.60 1.04 1.63 2.34 4.07 99.5% 0.0426 ng/mL
PFOS PFOS NA ng/mL 337 5.07 4.53 5.68 3.41 5.05 7.82 17.6 99.7% 0.0943 ng/mL
PFOSA PFOSA NA ng/mL 337 * * * <LOD <LOD 0.0246 0.108 29.2% 0.0212 ng/mL
PFUnDA PFUnDA NA ng/mL 337 0.0841 0.0743 0.0952 0.0447 0.0820 0.138 0.363 80.3% 0.0371 ng/mL

Chemical Group: Phthalates

  • 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
MBzP Benzylbutyl phthalate (BzBP) NA µg/L 218 5.20 4.09 6.61 2.82 5.57 9.44 25.6 100% 0.200 µg/L
MBzP Benzylbutyl phthalate (BzBP) Creatinine µg/g creatinine 218 5.69 4.81 6.72 3.36 5.86 9.05 22.3 100% 0.200 µg/L
MCHP Dicyclohexyl phthalate (DCHP) NA µg/L 218 * * * <LOD <LOD <LOD <LOD <0.1% 0.100 µg/L
MCHP Dicyclohexyl phthalate (DCHP) Creatinine µg/g creatinine 218 * * * <LOD <LOD <LOD <LOD <0.1% 0.100 µg/L
MCPP Di-n-octyl phthalate (DnOP) NA µg/L 218 2.01 1.57 2.58 0.943 2.30 4.40 16.0 >99.9% 0.100 µg/L
MCPP Di-n-octyl phthalate (DnOP) Creatinine µg/g creatinine 218 2.20 1.79 2.71 1.17 1.87 3.54 15.2 >99.9% 0.100 µg/L
MECPP Di-2-ethylhexyl phthalate (DEHP) NA µg/L 218 9.62 7.62 12.1 5.35 11.0 20.5 47.9 100% 0.190 µg/L
MECPP Di-2-ethylhexyl phthalate (DEHP) Creatinine µg/g creatinine 218 10.52 9.01 12.3 6.81 10.5 16.9 36.1 100% 0.190 µg/L
MEHHP Di-2-ethylhexyl phthalate (DEHP) NA µg/L 218 6.05 4.67 7.83 2.70 7.17 12.7 31.9 >99.9% 0.190 µg/L
MEHHP Di-2-ethylhexyl phthalate (DEHP) Creatinine µg/g creatinine 218 6.61 5.50 7.94 4.33 6.75 10.4 19.6 >99.9% 0.190 µg/L
MEHP Di-2-ethylhexyl phthalate (DEHP) NA µg/L 218 1.89 1.38 2.59 0.857 2.28 5.21 13.3 89.9% 0.190 µg/L
MEHP Di-2-ethylhexyl phthalate (DEHP) Creatinine µg/g creatinine 218 2.07 1.63 2.62 0.936 2.16 4.24 12.9 89.9% 0.190 µg/L
MEOHP Di-2-ethylhexyl phthalate (DEHP) NA µg/L 218 4.49 3.43 5.87 2.37 4.87 8.27 35.0 >99.9% 0.100 µg/L
MEOHP Di-2-ethylhexyl phthalate (DEHP) Creatinine µg/g creatinine 218 4.91 4.02 6.00 3.00 4.96 7.06 21.5 >99.9% 0.100 µg/L
MEP Diethyl phthalate (DEP) NA µg/L 218 52.6 38.5 72.0 20.7 43.0 118 930 100% 0.460 µg/L
MEP Diethyl phthalate (DEP) Creatinine µg/g creatinine 218 57.5 44.3 74.6 23.9 46.2 120 534 100% 0.460 µg/L
MIBP Di-isobutyl phthalate (DIBP) NA µg/L 218 6.88 5.70 8.32 3.84 6.35 12.2 25.4 93.3% 1.60 µg/L
MIBP Di-isobutyl phthalate (DIBP) Creatinine µg/g creatinine 218 7.52 6.50 8.72 4.91 7.22 11.5 27.5 93.3% 1.60 µg/L
MnBP Dibutyl phthalate (DBP), Benzylbutyl phthalate (BzBP) NA µg/L 218 13.8 11.0 17.4 7.75 15.7 25.4 69.9 96.8% 0.910 µg/L
MnBP Dibutyl phthalate (DBP), Benzylbutyl phthalate (BzBP) Creatinine µg/g creatinine 218 15.1 12.9 17.7 8.67 15.4 22.5 51.8 96.8% 0.910 µg/L

Chemical Group: Polybrominated Diphenyl Ethers (PBDEs)

  • 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
BDE 017 BDE 17 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0% 0.00770 ng/mL ♦ *
BDE 028 BDE 28 Lipids ng/g lipid 217 * * * <LOD <LOD 2.61 5.04 47.4% 0.00800 ng/mL
BDE 047 BDE 47 Lipids ng/g lipid 217 20.8 17.2 25.2 9.64 22.0 42.8 108 99.2% 0.0165 ng/mL
BDE 066 BDE 66 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0.6% 0.00800 ng/mL
BDE 085 BDE 85 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD 1.94 9.7% 0.00800 ng/mL
BDE 099 BDE 99 Lipids ng/g lipid 217 4.35 3.57 5.3 2.06 3.97 9.65 22.6 88.1% 0.00898 ng/mL
BDE 100 BDE 100 Lipids ng/g lipid 217 4.21 3.44 5.14 1.67 4.18 9.14 23.6 84.9% 0.00800 ng/mL
BDE 153 BDE 153 Lipids ng/g lipid 217 11.3 9.29 13.7 6.43 10.0 16.8 83.0 94.6% 0.0160 ng/mL
BDE 154 BDE 154 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 1.3% 0.0160 ng/mL
BDE 183 BDE 183 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0.9% 0.0160 ng/mL
BDE 196 BDE 196 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0.3% 0.0160 ng/mL
BDE 197 BDE 197 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD 3.53 7.4% 0.0160 ng/mL
BDE 201 BDE 201 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0.3% 0.0160 ng/mL
BDE 202 BDE 202 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0.3% 0.0160 ng/mL
BDE 203 BDE 203 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0.3% 0.0160 ng/mL
BDE 206 BDE 206 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0.4% 0.0200 ng/mL
BDE 207 BDE 207 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 3.9% 0.0200 ng/mL
BDE 208 BDE 208 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 0.4% 0.0200 ng/mL
BDE 209 BDE 209 Lipids ng/g lipid 190 * * * <LOD <LOD <LOD <LOD 0.4% 0.257 ng/mL

Chemical Group: Polychlorinated Biphenyls (PCBs)

  • 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
PCB 066 PCB 066 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD 1.94 9.7% 0.00800 ng/mL
PCB 074 PCB 074 Lipids ng/g lipid 217 * * * <LOD <LOD 4.27 11.6 47.1% 0.00800 ng/mL
PCB 099 PCB 099 Lipids ng/g lipid 217 * * * <LOD 1.61 3.10 8.05 58.0% 0.00800 ng/mL
PCB 101 PCB 101 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD <LOD 3.5% 0.00800 ng/mL
PCB 105 PCB 105 Lipids ng/g lipid 217 * * * <LOD <LOD <LOD 3.47 18.9% 0.00800 ng/mL
PCB 118 PCB 118 Lipids ng/g lipid 217 2.85 2.34 3.46 1.29 2.52 4.78 13.4 77.5% 0.00800 ng/mL
PCB 138 PCB 138 Lipids ng/g lipid 217 5.11 4.08 6.39 2.32 4.32 10.6 25.6 93.1% 0.00800 ng/mL
PCB 153 PCB 153 Lipids ng/g lipid 217 10.1 7.88 12.8 4.00 9.18 26.2 56.5 99.7% 0.00800 ng/mL
PCB 156 PCB 156 Lipids ng/g lipid 217 * * * <LOD 1.53 3.45 7.94 52.6% 0.00800 ng/mL
PCB 170 PCB 170 Lipids ng/g lipid 217 3.49 2.82 4.32 <LOD 3.50 8.88 16.1 71.7% 0.00800 ng/mL
PCB 180 PCB 180 Lipids ng/g lipid 217 9.42 7.26 12.2 3.07 9.40 29.3 54.0 97.7% 0.00800 ng/mL
PCB 183 PCB 183 Lipids ng/g lipid 217 * * * <LOD <LOD 2.67 5.13 43.7% 0.00800 ng/mL
PCB 187 PCB 187 Lipids ng/g lipid 217 3.14 2.55 3.88 <LOD 2.96 8.63 16.3 69.4% 0.00800 ng/mL
PCB 194 PCB 194 Lipids ng/g lipid 217 * * * <LOD 2.08 5.33 11.9 58.8% 0.00800 ng/mL
PCB 203 PCB 203 Lipids ng/g lipid 217 * * * <LOD 2.33 5.57 11.5 61.5% 0.00800 ng/mL

Chemical Group: Polycyclic Aromatic Hydrocarbons (PAHs)

  • 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
1-NAP Naphthalene NA pg/mL 218 1,230 873 1,730 569 1,060 2,740 14,700 98.4% 25 pg/mL
1-NAP Naphthalene Creatinine ng/g creatinine 218 1,340 983 1,840 567 948 2,530 18,100 98.4% 25 pg/mL
1-PHEN Phenanthrene NA pg/mL 218 104 84.4 129 69.9 106 179 521 97.9% 10 pg/mL
1-PHEN Phenanthrene Creatinine ng/g creatinine 218 114 95.6 136 64.4 107 164 427 97.9% 10 pg/mL
1-PYR Pyrene NA pg/mL 218 105 83.0 134 56.8 102 205 497 90.5% 20 pg/mL
1-PYR Pyrene Creatinine ng/g creatinine 218 115 93.9 141 62.6 104 151 909 90.5% 20 pg/mL
2-FLUO Fluorene NA pg/mL 218 201 164 245 118 209 325 922 98.4% 20 pg/mL
2-FLUO Fluorene Creatinine ng/g creatinine 218 219 185 260 127 178 299 1,160 98.4% 20 pg/mL
2-NAP Naphthalene NA pg/mL 218 3,640 2,990 4,420 1,780 3,490 7,940 19,500 100% 20 pg/mL
2-NAP Naphthalene Creatinine ng/g creatinine 218 3,980 3,330 4,750 1,920 3,740 6,820 19,900 100% 20 pg/mL
2-PHEN Phenanthrene NA pg/mL 218 35.0 29.0 42.1 21.1 39.0 55.7 164 91.2% 10 pg/mL
2-PHEN Phenanthrene Creatinine ng/g creatinine 218 38.2 32.5 44.9 24.3 34.5 54.6 134 91.2% 10 pg/mL
3-FLUO Fluorene NA pg/mL 218 96.3 74.1 125 43.9 90.4 163 1150 89.8% 20 pg/mL
3-FLUO Fluorene Creatinine ng/g creatinine 218 105 83.4 133 53.2 82.8 148 1,140 89.8% 20 pg/mL
3-PHEN Phenanthrene NA pg/mL 218 56.1 45.5 69.3 37.2 57.3 109 247 93.3% 10 pg/mL
3-PHEN Phenanthrene Creatinine ng/g creatinine 218 61.4 51.3 73.4 34.5 56.2 78.3 468 93.3% 10 pg/mL
9-FLUO Fluorene NA pg/mL 218 274 217 344 143 271 507 2140 96.3% 37 pg/mL
9-FLUO Fluorene Creatinine ng/g creatinine 218 299 246 363 156 266 478 1,890 96.3% 37 pg/mL

Chemical Group: Pyrethroid Pesticides

  • 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
3-Phenoxybenzoic acid (3-PBA) Cyhalothrin, cypermethrin, deltamethrin, fenpropathrin, permethrin, and/or tralomethrin NA µg/L 218 0.660 0.480 0.908 0.305 0.783 1.47 5.39 90.9% 0.0500 µg/L
3-Phenoxybenzoic acid (3-PBA) Cyhalothrin, cypermethrin, deltamethrin, fenpropathrin, permethrin, and/or tralomethrin Creatinine µg/g creatinine 218 0.722 0.558 0.934 0.386 0.747 1.27 6.41 90.9% 0.0500 µg/L
4-Fluoro-3-phenoxybenzoic acid (4F-3-PBA) Cyfluthrin NA µg/L 218 * * * <LOD <LOD <LOD 0.224 19.7% 0.0500 µg/L
4-Fluoro-3-phenoxybenzoic acid (4F-3-PBA) Cyfluthrin Creatinine µg/g creatinine 218 * * * <LOD <LOD <LOD 0.230 19.7% 0.0500 µg/L
Trans-DCCA Cyfluthrin, cypermethrin, permethrin Creatinine µg/g creatinine 218 0.505 0.383 0.666 0.221 0.488 1.15 6.30 92.6% 0.0500 µg/L