Project Results for Maternal and Infant Environmental Exposure Project (MIEEP)

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Results on page last updated: 10/16/2013

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 Limit of Detection (LOD), wet-weight
Benzophenone-3 Benzophenone-3 μg/L 89 33.0 20.5 53.2 8.41 26.6 124 1320 0.50
Bisphenol A Bisphenol A μg/L 89 1.25 0.984 1.58 0.490 1.27 3.13 4.85 0.20
Triclosan Triclosan μg/L 89 17.2 10.5 28.2 2.44 11.1 139 445 1.0

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 Limit of Detection (LOD), wet-weight
Cadmium Cadmium μg/L 77 0.22 0.19 0.24 0.16 0.22 0.31 0.38 0.14 and 0.15**
Lead Lead μg/dL 77 0.65 0.57 0.75 0.45 0.60 0.84 1.6 0.027
Mercury Mercury μg/L 77 0.45 0.37 0.54 0.26 0.46 0.76 1.1 0.064

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 Limit of Detection (LOD), wet-weight
Arsenic Arsenic µg/L 89 7.71 6.39 9.32 4.34 8.15 11.2 34.9 0.158
Cadmium Cadmium μg/g creatinine 89 0.185 0.160 0.213 <LOD 0.178 0.257 0.364 0.105 μg/L
Mercury Mercury μg/L 89 0.212 0.164 0.274 0.0897 0.176 0.429 0.997 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 90th Limit of Detection (LOD), wet-weight
beta-Hexachlorocyclohexane (beta-HCH) beta-HCH ng/g lipid 77 * * * <LOD 1.59 6.00 13.2 0.005 ng/mL
DDE (para,para) para,para-DDT and/or para,para-DDE ng/g lipid 77 112 85.1 149 53.0 94.0 161 516 0.005 ng/mL
DDT (ortho,para) ortho,para-DDT ng/g lipid 77 * * * <LOD <LOD <LOD <LOD 0.005 ng/mL
DDT (para,para) para,para-DDT ng/g lipid 77 * * * <LOD <LOD <LOD 18.2 0.005 ng/mL
Hexachlorobenzene (HCB) HCB ng/g lipid 77 8.26 7.58 8.99 6.50 8.43 10.1 12.5 0.034 ng/mL
Oxychlordane Chlordane ng/g lipid 77 * * * <LOD 0.93 1.6 3.2 0.005 ng/mL
trans-Nonachlor Chlordane ng/g lipid 77 1.69 1.41 2.02 1.09 1.80 2.87 4.88 0.006 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 90th Limit of Detection (LOD), wet-weight
DEDTP Phorate and others μg/L 89 * * * <LOD <LOD <LOD <LOD 0.10
DEP Chlorpyrifos, diazinon, and others μg/L 89 1.41 1.10 1.80 <LOD 1.76 3.51 6.79 0.50
DMDTP Dimethoate, malathion, methidathion, phosmet, and others μg/L 89 * * * <LOD <LOD <LOD <LOD 1.0
DMTP Dimethoate, malathion, methidathion, phosmet, and others μg/L 89 * * * <LOD <LOD <LOD <LOD 0.50
TCPy Chlorpyrifos μg/L 89 0.52 0.41 0.65 <LOD 0.53 1.2 2.2 0.20

Chemical Group: Perfluorochemicals (PFCs)

  • 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 Limit of Detection (LOD), wet-weight
Et-PFOSA-AcOH Et-PFOSA-AcOH ng/mL 77 * * * <LOD 0.012 0.021 0.026 0.011
Me-PFOSA-AcOH Me-PFOSA-AcOH ng/mL 77 0.067 0.055 0.082 0.037 0.064 0.10 0.20 0.013
PFBuS PFBuS ng/mL 77 * * * <LOD <LOD <LOD <LOD 0.022
PFDeA PFDeA ng/mL 77 * * * <LOD <LOD 0.035 0.64 0.032
PFDoA PFDoA ng/mL 77 * * * <LOD <LOD <LOD <LOD 0.036
PFHpA PFHpA ng/mL 77 * * * <LOD <LOD 0.071 0.14 0.059
PFNA PFNA ng/mL 77 0.733 0.621 0.865 0.504 0.791 1.11 1.74 0.075
PFOA PFOA ng/mL 77 * * * <LOD 0.474 0.811 1.25 0.30
PFOS PFOS ng/mL 77 2.55 2.20 2.95 1.78 2.43 4.11 4.90 0.083
PFOSA PFOSA ng/mL 77 0.019 0.016 0.022 0.012 0.017 0.026 0.049 0.01
PFUA PFUA ng/mL 77 0.131 0.101 0.170 0.0730 0.165 0.261 0.474 0.01

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 Limit of Detection (LOD), wet-weight
MBzP Benzylbutyl phthalate (BzBP) μg/L 89 7.73 5.84 10.2 2.72 6.54 18.4 53.4 0.25
MCHP Dicyclohexyl phthalate (DCHP) μg/L 89 * * * <LOD <LOD <LOD <LOD 0.50
MCPP Di-n-octyl phthalate (DnOP) μg/L 89 0.87 0.72 1.05 0.48 0.75 1.2 2.8 0.125
MECPP Di-2-ethylhexyl phthalate (DEHP) μg/L 89 17.1 13.5 21.7 8.09 14.6 29.4 68.8 0.50
MEP Diethyl phthalate (DEP) μg/L 89 95.5 69.3 132 34.7 103 254 679 8.0
MnBP Dibutyl phthalate (DBP), Benzylbutyl phthalate (BzBP) μg/L 89 16.3 13.0 20.5 6.59 16.2 34.2 60.8 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 90th Limit of Detection (LOD), wet-weight
BDE 017 BDE 17 ng/g lipid 77 * * * <LOD <LOD <LOD <LOD 0.005 ng/mL
BDE 028 BDE 28 ng/g lipid 77 * * * <LOD <LOD 0.75 1.6 0.005 ng/mL
BDE 047 BDE 47 ng/g lipid 77 9.56 7.54 12.1 4.67 8.34 16.0 33.0 0.023 ng/mL
BDE 066 BDE 66 ng/g lipid 77 * * * <LOD <LOD <LOD <LOD 0.005 ng/mL
BDE 085 BDE 85 ng/g lipid 77 * * * <LOD <LOD <LOD <LOD 0.005 ng/mL
BDE 099 BDE 99 ng/g lipid 77 * * * <LOD 2.74 5.02 9.92 0.019 ng/mL
BDE 100 BDE 100 ng/g lipid 77 2.17 1.70 2.77 0.960 1.96 3.95 8.11 0.005 ng/mL
BDE 153 BDE 153 ng/g lipid 77 2.64 2.01 3.47 0.980 1.94 7.66 14.9 0.005 ng/mL
BDE 154 BDE 154 ng/g lipid 77 * * * <LOD <LOD <LOD <LOD 0.007 ng/mL
BDE 183 BDE 183 ng/g lipid 77 * * * <LOD <LOD <LOD <LOD 0.007 ng/mL
BDE 197 BDE 197 ng/g lipid 77 * * * <LOD <LOD 0.93 1.5 0.007 ng/mL
BDE 201 BDE 201 ng/g lipid 77 * * * <LOD <LOD <LOD <LOD 0.007 ng/mL
BDE 202 BDE 202 ng/g lipid 77 * * * <LOD <LOD <LOD <LOD 0.007 ng/mL
BDE 203 BDE 203 ng/g lipid 77 * * * <LOD <LOD <LOD <LOD 0.007 ng/mL
BDE 206 BDE 206 ng/g lipid 77 * * * <LOD <LOD <LOD <LOD 0.009 ng/mL
BDE 207 BDE 207 ng/g lipid 77 * * * <LOD <LOD <LOD 2.07 0.009 ng/mL
BDE 208 BDE 208 ng/g lipid 77 * * * <LOD <LOD <LOD <LOD 0.009 ng/mL
BDE 209 BDE 209 ng/g lipid 77 * * * <LOD 5.41 9.31 13.5 0.045 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 Limit of Detection (LOD), wet-weight
PCB 066 PCB 66 ng/g lipid 77 * * * <LOD <LOD <LOD <LOD 0.009 ng/mL
PCB 074 PCB 74 ng/g lipid 77 * * * <LOD <LOD <LOD 1.1 0.008 ng/mL
PCB 099 PCB 99 ng/g lipid 77 * * * <LOD <LOD <LOD 2.23 0.014 ng/mL
PCB 101 PCB 101 ng/g lipid 77 * * * <LOD <LOD <LOD 2.63 0.016 ng/mL
PCB 105 PCB 105 ng/g lipid 77 * * * <LOD <LOD <LOD <LOD 0.010 ng/mL
PCB 118 PCB 118 ng/g lipid 77 * * * <LOD <LOD 2.02 2.97 0.014 ng/mL
PCB 138 PCB 138 ng/g lipid 77 1.94 1.69 2.22 1.29 1.90 2.63 4.15 0.006 ng/mL
PCB 153 PCB 153 ng/g lipid 77 2.98 2.57 3.46 1.95 3.02 4.29 6.59 0.011 ng/mL
PCB 156 PCB 156 ng/g lipid 77 * * * <LOD <LOD <LOD 0.89 0.005 ng/mL
PCB 170 PCB 170 ng/g lipid 77 * * * <LOD 0.65 0.92 1.7 0.005 ng/mL
PCB 180 PCB 180 ng/g lipid 77 1.97 1.67 2.31 1.27 1.79 2.90 4.91 0.007 ng/mL
PCB 183 PCB 183 ng/g lipid 77 * * * <LOD <LOD <LOD <LOD 0.012 ng/mL
PCB 187 PCB 187 ng/g lipid 77 * * * <LOD <LOD 1.2 1.7 0.009 ng/mL
PCB 194 PCB 194 ng/g lipid 77 * * * <LOD <LOD <LOD 1.0 0.007 ng/mL
PCB 203 PCB 203 ng/g lipid 77 * * * <LOD <LOD 0.88 1.4 0.007 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 90th Limit of Detection (LOD), wet-weight
1-NAP Naphthalene ng/L 88 1020 800 1300 465 858 1940 4060 25.0
1-PHEN Phenanthrene ng/L 88 193 161 232 107 198 323 588 10.0
1-PYR Pyrene ng/L 88 186 153 227 88.2 211 334 598 20.0
2-FLUO Fluorene ng/L 88 192 157 235 96.0 188 311 529 20.0
2-NAP Naphthalene ng/L 88 6490 5140 8190 2780 6780 14000 23700 20.0
2-PHEN Phenanthrene ng/L 88 99.4 85.9 115 60.6 94.4 159 235 10.0
3-FLUO Fluorene ng/L 88 54.8 43.7 68.8 23.5 45.8 106 212 20.0
3-PHEN Phenanthrene ng/L 88 69.4 57.3 84.0 34.1 70.2 109 190 10.0
9-FLUO Fluorene ng/L 88 535 440 651 272 536 814 1370 37.0

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 90th Limit of Detection (LOD), wet-weight
3-Phenoxybenzoic acid (3-PBA) Cyhalothrin, cypermethrin, deltamethrin, fenpropathrin, permethrin, and/or tralomethrin μg/L 89 * * * <LOD <LOD 0.46 2.6 0.40

Footnotes

*Geometric mean was not calculated because the chemical was found in less than 65% of the study group
**LOD changed during the time that samples were analyzed for this project.