Project Results for Biomonitoring Exposures Study (BEST) - 1.Pilot

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Results on page last updated: 01/12/2016

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: 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: 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 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
4-Fluoro-3-phenoxybenzoic acid (4F-3-PBA) Cyfluthrin µg/L 109 * * * <LOD <LOD <LOD 0.143 14.7% 0.0500 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