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

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Results on page last updated: 03/01/2018
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
Bisphenol A 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 Mono-benzyl phthalate (MBzP) ng/mL 218 6.00 5.13 7.02 3.00 6.03 11.9 54.8 100% 0.200 ng/mL
MCHP Mono-cyclohexyl phthalate ng/mL 218 * * * <LOD <LOD <LOD <LOD 0.459% 0.100 ng/mL
MCPP Mono-3-carboxypropyl phthalate (MCPP) ng/mL 218 1.91 1.62 2.24 0.943 1.77 4.19 16.0 99.1% 0.100 ng/mL
MECPP Mono-(2-ethyl-5-carboxypentyl) phthalate (MECPP) ng/mL 218 9.72 8.51 11.1 5.56 10.2 18.6 47.9 100% 0.190 ng/mL
MEHHP Mono-(2-ethyl-5-hydroxyhexyl) phthalate (MEHHP) ng/mL 218 6.19 5.37 7.13 3.58 6.81 11.8 31.3 99.5% 0.190 ng/mL
MEHP Mono-2-ethylhexyl phthalate ng/mL 218 1.89 1.60 2.23 0.909 2.08 4.31 13.7 93.6% 0.190 ng/mL
MEOHP Mono-(2-ethyl-5-oxohexyl) phthalate ng/mL 218 4.43 3.86 5.09 2.45 4.66 7.96 19.7 99.5% 0.100 ng/mL
MEP Mono-ethyl phthalate (MEP) ng/mL 218 52.4 43.9 62.6 21.2 46.1 110 826 100% 0.460 ng/mL
MIBP Mono-isobutyl phthalate ng/mL 218 7.12 6.21 8.16 3.84 6.71 12.0 38.0 94.0% 1.60 ng/mL
MnBP Mono-n-butyl phthalate (MnBP) ng/mL 218 14.3 12.4 16.6 7.74 16.2 27.8 79.7 98.2% 0.910 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 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

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