Project Results for Measuring Analytes in Maternal Archived Samples (MAMAS)

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: 03/16/2017

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 58 * * * <LOD <LOD <LOD <LOD 1.7% 0.011 ng/mL
DDE (para,para) DDT (para,para) and/or DDE (para,para) ng/g lipid 58 82.6 61.7 110 38.8 72.5 155 433 100% 0.008 ng/mL
DDT (ortho,para) DDT (ortho,para) ng/g lipid 58 * * * <LOD <LOD <LOD <LOD 5.2% 0.010 ng/mL
DDT (para,para) DDT (para,para) ng/g lipid 58 * * * <LOD <LOD 1.85 5.59 25.9% 0.011 ng/mL
Hexachlorobenzene (HCB) HCB ng/g lipid 58 6.41 5.85 7.03 5.24 6.14 7.43 8.93 100% 0.012 ng/mL
Oxychlordane Oxychlordane ng/g lipid 58 * * * <LOD <LOD <LOD 1.69 20.7% 0.006 ng/mL
trans-Nonachlor t-Nonachlor ng/g lipid 58 * * * <LOD <LOD <LOD <LOD 1.7% 0.011 ng/mL

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 95th Detection frequency Limit of Detection (LOD), wet-weight
Et-PFOSA-AcOH Et-PFOSA-AcOH ng/mL 200 * * * <LOD <LOD 0.018 0.029 29% 0.016 ng/mL
Me-PFOSA-AcOH Me-PFOSA-AcOH ng/mL 200 0.045 0.038 0.053 0.018 0.037 0.091 0.361 79.5% 0.015 ng/mL
PFDeA PFDeA ng/mL 200 0.198 0.174 0.226 0.095 0.212 0.373 0.908 83% 0.065 ng/mL
PFDoA PFDoA ng/mL 200 * * * <LOD <LOD <LOD 0.317 8% 0.174 ng/mL
PFHpA PFHpA ng/mL 200 0.045 0.040 0.052 0.022 0.048 0.095 0.198 83.5% 0.015 ng/mL
PFHxS PFHxS ng/mL 200 0.904 0.818 0.998 0.558 0.861 1.43 2.83 100% 0.025 ng/mL
PFNA PFNA ng/mL 200 0.647 0.596 0.703 0.442 0.644 0.952 1.74 100% 0.030 ng/mL
PFOA PFOA ng/mL 200 1.24 1.15 1.34 0.898 1.29 1.77 2.81 100% 0.039 ng/mL
PFOS PFOS ng/mL 200 4.20 3.82 4.62 2.62 4.47 6.75 12.3 100% 0.057 ng/mL
PFOSA PFOSA ng/mL 200 * * * <LOD <LOD 0.007 0.027 33.5% 0.005 ng/mL
PFUA PFUA ng/mL 200 0.124 0.107 0.144 0.048 0.118 0.275 0.717 78% 0.043 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 017 BDE 17 ng/g lipid 58 * * * <LOD <LOD <LOD <LOD 0% 0.011 ng/mL
BDE 028 BDE 28 ng/g lipid 58 * * * <LOD <LOD <LOD <LOD 3.4% 0.011 ng/mL
BDE 047 BDE 47 ng/g lipid 58 13.7 11.1 16.8 6.57 13.9 22.8 38.7 75.9% 0.043 ng/mL
BDE 066 BDE 66 ng/g lipid 58 * * * <LOD <LOD <LOD <LOD 0% 0.011 ng/mL
BDE 085 BDE 85 ng/g lipid 58 * * * <LOD <LOD <LOD <LOD 0% 0.011 ng/mL
BDE 099 BDE 99 ng/g lipid 58 * * * <LOD <LOD 6.86 17.7 43.1% 0.023 ng/mL
BDE 100 BDE 100 ng/g lipid 58 * * * <LOD 2.57 5.04 12.4 62.1% 0.011 ng/mL
BDE 153 BDE 153 ng/g lipid 58 * * * <LOD 6.05 10.9 22.2 63.8% 0.021 ng/mL
BDE 154 BDE 154 ng/g lipid 58 * * * <LOD <LOD <LOD <LOD 0% 0.021 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 066 PCB 66 ng/g lipid 58 * * * <LOD <LOD <LOD <LOD 0% 0.008 ng/mL
PCB 074 PCB 74 ng/g lipid 58 * * * <LOD <LOD <LOD 0.992 15.5% 0.004 ng/mL
PCB 099 PCB 99 ng/g lipid 58 * * * <LOD <LOD 1.14 1.69 27.6% 0.007 ng/mL
PCB 101 PCB 101 ng/g lipid 58 * * * <LOD <LOD <LOD <LOD 0% 0.011 ng/mL
PCB 105 PCB 105 ng/g lipid 58 * * * <LOD <LOD <LOD <LOD 0% 0.011 ng/mL
PCB 118 PCB 118 ng/g lipid 58 1.42 1.25 1.62 <LOD 1.54 2.08 2.59 69% 0.007 ng/mL
PCB 138 PCB 138 ng/g lipid 58 2.34 1.99 2.74 <LOD 2.37 3.43 5.47 67.2% 0.011 ng/mL
PCB 153 PCB 153 ng/g lipid 58 3.16 2.59 3.85 2.05 3.01 5.20 8.05 91.4% 0.007 ng/mL
PCB 156 PCB 156 ng/g lipid 58 * * * <LOD <LOD <LOD <LOD 3.4% 0.011 ng/mL
PCB 170 PCB 170 ng/g lipid 58 * * * <LOD 1.64 2.50 2.96 63.8% 0.007 ng/mL
PCB 180 PCB 180 ng/g lipid 58 2.94 2.44 3.54 2.00 2.98 4.93 7.09 82.8% 0.009 ng/mL
PCB 183 PCB 183 ng/g lipid 58 * * * <LOD <LOD <LOD <LOD 6.9% 0.011 ng/mL
PCB 187 PCB 187 ng/g lipid 58 * * * <LOD <LOD <LOD 2.27 13.8% 0.011 ng/mL
PCB 194 PCB 194 ng/g lipid 58 * * * <LOD <LOD <LOD <LOD 8.6% 0.011 ng/mL
PCB 203 PCB 203 ng/g lipid 58 * * * <LOD <LOD <LOD 1.55 10.3% 0.010 ng/mL

Footnotes

*Geometric mean was not calculated because the chemical was found in less than 65% of the study group