Results for Perfluoroalkyl and Polyfluoroalkyl Substances (PFASs)

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Chemical Group: Perfluoroalkyl and Polyfluoroalkyl Substances (PFASs)

  • Measured in: Serum

Project: Asian/Pacific Islander Community Exposures (ACE) Project - ACE 1

Unweighted 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
Lower Upper 25th 50th 75th 90th
4:2 FTS 4:2 FTS NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0120
5:3 FTCA 5:3 FTCA NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
6:2 diPAP 6:2 diPAP NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 7.3% 0.0500
6:2 FTCA 6:2 FTCA NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.250
6:2 FTS 6:2 FTS NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
6:2 FTUCA 6:2 FTUCA NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0120
6:6 PFPiA 6:6 PFPiA NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0120
6:8 PFPiA 6:8 PFPiA NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
7:3 FTCA 7:3 FTCA NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
8:2 diPAP 8:2 diPAP NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.250
8:2 FTCA 8:2 FTCA NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.500
8:2 FTS 8:2 FTS NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
8:2 FTUCA 8:2 FTUCA NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0120
8:2 PAP 8:2 PAP NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.500
Et-PFOSA-AcOH Et-PFOSA-AcOH NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 5.2% 0.0500
Me-PFOSA-AcOH Me-PFOSA-AcOH NA ng/ml 96 0.0523 0.0421 0.0650 0.0256 0.0467 0.0959 0.228 95.8% 0.0120
PFBA PFBA NA ng/ml 96 * * * <LOD 0.0582 0.0846 0.140 62.5% 0.0500
PFBS PFBS NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0442
PFDA PFDA NA ng/ml 96 0.477 0.406 0.559 0.281 0.453 0.739 1.49 80.2% 0.250
PFDoA PFDoA NA ng/ml 96 * * * <LOD 0.0540 0.0788 0.134 56.3% 0.0500
PFDS PFDS NA ng/ml 96 * * * <LOD 0.0104 0.0204 0.048 53.1% 0.00965
PFHpA PFHpA NA ng/ml 96 * * * <LOD <LOD 0.0574 0.0868 30.2% 0.0500
PFHxA PFHxA NA ng/ml 96 0.176 0.162 0.191 0.151 0.180 0.214 0.276 97.9% 0.0556
PFHxPA PFHxPA NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
PFHxS PFHxS NA ng/ml 96 0.767 0.66 0.891 0.432 0.789 1.41 1.81 100% 0.00945
PFNA PFNA NA ng/ml 96 0.987 0.870 1.12 0.65 0.948 1.33 2.24 99% 0.250
PFOA PFOA NA ng/ml 96 1.41 1.23 1.61 0.998 1.36 2.16 2.85 100% 0.0500
PFOPA PFOPA NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
PFOS PFOS NA ng/ml 96 6.51 5.49 7.73 3.32 6.05 11.7 19.3 100% 0.0566
PFOSA PFOSA NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0120
PFPeA PFPeA NA ng/ml 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500
PFUnDA PFUnDA NA ng/ml 96 0.398 0.348 0.455 0.301 0.427 0.600 0.824 100% 0.0500

Project: Asian/Pacific Islander Community Exposures (ACE) Project - ACE 2

Unweighted 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
Lower Upper 25th 50th 75th 90th
4:2 FTS 4:2 FTS NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0120
5:3 FTCA 5:3 FTCA NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 2% 0.0500
6:2 diPAP 6:2 diPAP NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 2% 0.0500
6:2 FTCA 6:2 FTCA NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.250
6:2 FTS 6:2 FTS NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 3% 0.0500
6:2 FTUCA 6:2 FTUCA NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0120
6:6 PFPiA 6:6 PFPiA NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0100
6:8 PFPiA 6:8 PFPiA NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0500
7:3 FTCA 7:3 FTCA NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 5.1% 0.0500
8:2 diPAP 8:2 diPAP NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.250
8:2 FTCA 8:2 FTCA NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.500
8:2 FTS 8:2 FTS NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0500
8:2 FTUCA 8:2 FTUCA NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0120
8:2 PAP 8:2 PAP NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.500
Et-PFOSA-AcOH Et-PFOSA-AcOH NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 3% 0.0500
Me-PFOSA-AcOH Me-PFOSA-AcOH NA ng/ml 99 0.0342 0.0291 0.0402 0.0197 0.0282 0.0538 0.114 97% 0.0120
PFBA PFBA NA ng/ml 99 0.0589 0.0531 0.0655 <LOD 0.0580 0.0736 0.0996 67.7% 0.0500
PFBS PFBS NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 3% 0.0400
PFDA PFDA NA ng/ml 99 0.559 0.490 0.636 0.393 0.541 0.823 1.28 87.9% 0.250
PFDoA PFDoA NA ng/ml 99 * * * <LOD 0.0135 0.0226 0.0441 52.5% 0.0500
PFDS PFDS NA ng/ml 99 * * * <LOD 0.0505 0.0773 0.127 59.6% 0.0100
PFHpA PFHpA NA ng/ml 99 * * * <LOD <LOD <LOD 0.0699 20.2% 0.0500
PFHxA PFHxA NA ng/ml 99 0.189 0.166 0.215 0.124 0.174 0.268 0.453 98% 0.0600
PFHxPA PFHxPA NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0500
PFHxS PFHxS NA ng/ml 99 1.29 1.14 1.45 0.787 1.21 1.81 3.05 100% 0.0100
PFNA PFNA NA ng/ml 99 1.10 0.988 1.22 0.84 1.08 1.49 2.21 99% 0.250
PFOA PFOA NA ng/ml 99 1.69 1.51 1.88 1.20 1.61 2.30 3.06 100% 0.0600
PFOPA PFOPA NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0500
PFOS PFOS NA ng/ml 99 7.47 6.38 8.75 4.17 7.00 11.5 22.9 100% 0.191
PFOSA PFOSA NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 3% 0.0100
PFPeA PFPeA NA ng/ml 99 * * * <LOD <LOD <LOD <LOD 0% 0.0500
PFUnDA PFUnDA NA ng/ml 99 0.453 0.391 0.525 0.309 0.443 0.740 1.12 98% 0.0500

Project: Biomonitoring Exposures Study (BEST) - 1.Pilot

Unweighted 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
Lower Upper 25th 50th 75th 95th
Et-PFOSA-AcOH Et-PFOSA-AcOH NA ng/mL 110 * * * <LOD <LOD 0.022 0.163 24.5% 0.0313 ng/mL
Me-PFOSA-AcOH Me-PFOSA-AcOH NA ng/mL 110 0.174 0.142 0.213 0.0945 0.165 0.329 1.350 95.5% 0.0277 ng/mL
PFBS PFBS NA ng/mL 110 * * * <LOD <LOD <LOD 0.0680 11.8% 0.0411 ng/mL
PFDA PFDA NA ng/mL 110 0.245 0.216 0.278 0.160 0.254 0.334 0.767 100% 0.0349 ng/mL
PFDoA PFDoA NA ng/mL 110 0.0191 0.0166 0.0221 <LOD 0.0193 0.0303 0.0595 70.0% 0.0114 ng/mL
PFHpA PFHpA NA ng/mL 110 0.0483 0.0395 0.0591 0.0246 0.0543 0.0901 0.269 87.3% 0.010 ng/mL
PFHxS PFHxS NA ng/mL 110 1.43 1.19 1.73 0.917 1.52 2.43 6.87 99.1% 0.0206 ng/mL
PFNA PFNA NA ng/mL 110 0.994 0.920 1.07 0.730 0.984 1.35 1.86 100% 0.0154 ng/mL
PFOA PFOA NA ng/mL 110 1.97 1.76 2.19 1.36 1.99 2.92 4.70 100% 0.0087 ng/mL
PFOS PFOS NA ng/mL 110 7.00 6.12 8.00 4.66 7.10 10.4 25.8 100% 0.0621 ng/mL
PFOSA PFOSA NA ng/mL 110 * * * <LOD 0.0254 0.0487 0.195 52.7% 0.0225 ng/mL
PFUnDA PFUnDA NA ng/mL 110 0.128 0.111 0.148 0.0737 0.123 0.195 0.533 100% 0.0254 ng/mL

Project: Biomonitoring Exposures Study (BEST) - 2.Expanded

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

Project: California Regional Exposure Study, Los Angeles County (CARE-LA)

CARE LA Study logo, showing California in blue with Los Angeles County in orange

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 425 * * * <LOD <LOD 0.0147 0.0554 35.7% 0.0115 ng/mL
Me-PFOSA-AcOH Me-PFOSA-AcOH NA ng/mL 425 0.0678 0.0589 0.0780 0.0396 0.0558 0.0953 0.340 100% 0.0114 ng/mL
PFBS PFBS NA ng/mL 425 * * * <LOD <LOD <LOD 0.0357 5.5% 0.0303 ng/mL
PFDA PFDA NA ng/mL 425 * * * <LOD 0.0795 0.164 0.321 62.3% 0.0560 ng/mL
PFDoA PFDoA NA ng/mL 425 * * * <LOD <LOD <LOD <LOD 0.3% 0.110 ng/mL
PFHpA PFHpA NA ng/mL 425 * * * <LOD 0.0280 0.0447 0.0981 52.0% 0.0256 ng/mL
PFHxS PFHxS NA ng/mL 425 0.689 0.585 0.813 0.418 0.787 1.23 2.39 98.5% 0.0177 ng/mL
PFNA PFNA NA ng/mL 425 0.298 0.263 0.339 0.195 0.320 0.471 1.16 96.9% 0.0424 ng/mL
PFOA PFOA NA ng/mL 425 1.04 0.920 1.17 0.732 1.17 1.52 3.06 99.8% 0.0606 ng/mL
PFOS PFOS NA ng/mL 425 2.20 1.87 2.60 1.41 2.38 3.91 8.78 98.0% 0.0615 ng/mL
PFOSA PFOSA NA ng/mL 425 * * * <LOD <LOD 0.0152 0.0611 26.7% 0.0144 ng/mL
PFUnDA PFUnDA NA ng/mL 425 0.0721 0.0619 0.0840 0.0336 0.0735 0.136 0.350 77.6% 0.0285 ng/mL

Project: California Regional Exposure Study, Region 2 (CARE-2)

Logo for the CARE-2 study showing a blue map of California with the eastern part of California in orange

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 358 * * * <LOD <LOD <LOD 0.0312 16.4% 0.0115 ng/mL
Me-PFOSA-AcOH Me-PFOSA-AcOH NA ng/mL 358 0.0344 0.0298 0.0397 0.0178 0.0355 0.0580 0.204 81.2% 0.0114 ng/mL
PFBS PFBS NA ng/mL 357 * * * <LOD <LOD <LOD 0.0379 9.8% 0.0303 ng/mL
PFDA PFDA NA ng/mL 358 * * * <LOD 0.0768 0.144 0.252 63.3% 0.0560 ng/mL
PFDoA PFDoA NA ng/mL 358 * * * <LOD <LOD <LOD <LOD 0.01% 0.110 ng/mL
PFHpA PFHpA NA ng/mL 358 * * * <LOD <LOD 0.0536 0.101 43.6% 0.0256 ng/mL
PFHxS PFHxS NA ng/mL 358 0.798 0.669 0.953 0.465 0.837 1.72 3.20 99.8% 0.0177 ng/mL
PFNA PFNA NA ng/mL 358 0.211 0.181 0.246 0.132 0.256 0.374 0.775 89.5% 0.0424 ng/mL
PFOA PFOA NA ng/mL 358 0.987 0.866 1.12 0.668 1.13 1.77 2.53 98.8% 0.0606 ng/mL
PFOS PFOS NA ng/mL 357 2.41 2.05 2.82 1.48 2.88 4.89 7.14 98.5% 0.0615 ng/mL
PFOSA PFOSA NA ng/mL 358 * * * <LOD <LOD <LOD 0.0329 14.9% 0.0144 ng/mL
PFUnDA PFUnDA NA ng/mL 358 * * * <LOD 0.0416 0.0929 0.258 61.3% 0.0285 ng/mL

Project: California Regional Exposure Study, Region 3 (CARE-3)

Logo for the CARE-3 study showing a blue map of California with Orange and San Diego counties in orange
  • Study Group Subset: Adults

Unweighted 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 90th
Et-PFOSA-AcOH Et-PFOSA-AcOH NA ng/mL 89 * * * <LOD <LOD <LOD 0.0250 16.9% 0.0115 ng/mL
Me-PFOSA-AcOH Me-PFOSA-AcOH NA ng/mL 88 0.0363 0.0266 0.0494 <LOD 0.0332 0.082 0.238 65.9% 0.0114 ng/mL
PFBS PFBS NA ng/mL 79 * * * <LOD <LOD <LOD <LOD 2.5% 0.0303 ng/mL
PFDA PFDA NA ng/mL 89 0.0942 0.0802 0.111 <LOD 0.0926 0.174 0.234 67.4% 0.0560 ng/mL
PFDoA PFDoA NA ng/mL 80 * * * <LOD <LOD <LOD <LOD 5.0% 0.110 ng/mL
PFHpA PFHpA NA ng/mL 82 * * * <LOD <LOD 0.0377 0.0690 39.0% 0.0256 ng/mL
PFHxS PFHxS NA ng/mL 89 0.670 0.517 0.868 0.393 0.796 1.33 2.69 97.8% 0.0177 ng/mL
PFNA PFNA NA ng/mL 89 0.295 0.245 0.356 0.216 0.335 0.524 0.762 92.1% 0.0424 ng/mL
PFOA PFOA NA ng/mL 89 0.901 0.733 1.11 0.702 1.03 1.48 2.21 95.5% 0.0606 ng/mL
PFOS PFOS NA ng/mL 89 1.75 1.34 2.28 1.01 2.30 3.92 5.22 95.5% 0.0615 ng/mL
PFOSA PFOSA NA ng/mL 89 * * * <LOD <LOD <LOD 0.0328 20.2% 0.0144 ng/mL
PFUnDA PFUnDA NA ng/mL 89 0.0804 0.066 0.098 0.0372 0.0839 0.161 0.286 80.9% 0.0285 ng/mL

Project: California Teachers Study (CTS)

Unweighted 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
Lower Upper 25th 50th 75th 95th
Et-PFOSA-AcOH EtPFOSAAcOH NA ng/mL 1759 0.031 0.029 0.032 0.015 0.03 0.06 0.2 84.5% 0.011
Me-PFOSA-AcOH MePFOSAAcOH NA ng/mL 1759 0.2 0.19 0.21 0.1 0.2 0.41 1.3 98.4% 0.013
PFBS PFBS NA ng/mL 614 *,# * * <LOD <LOD <LOD 0.067 18.4% 0.022
PFDA PFDA NA ng/mL 1759 0.22 0.21 0.23 0.15 0.23 0.35 0.67 94.7% 0.032
PFDoA PFDoA NA ng/mL 1737 * * * <LOD <LOD <LOD 0.093 10.8% 0.036
PFHpA PFHpA NA ng/mL 1759 0.054 0.052 0.057 <LOD 0.054 0.11 0.28 74% 0.015
PFHxS PFHxS NA ng/mL 1759 1.62 1.56 1.68 1.04 1.58 2.50 6.24 99.9% 0.012
PFNA PFNA NA ng/mL 1719 0.92 0.89 0.95 0.67 0.95 1.3 2.3 99.7% 0.014
PFOA PFOA NA ng/mL 1759 2.46 2.39 2.53 1.69 2.5 3.63 6.22 99.9% 0.029
PFOS PFOS NA ng/mL 1759 6.8 6.56 7.04 4.57 7.14 10.9 19.5 99.8% 0.083
PFOSA PFOSA NA ng/mL 1597 0.036 0.034 0.039 <LOD 0.036 0.075 0.25 74.1% 0.01
PFUnDA PFUnDA NA ng/mL 1759 0.13 0.12 0.13 0.081 0.14 0.23 0.42 96.8% 0.01

Project: Firefighter Occupational Exposures (FOX) Project

  • Study Group Subset: Firefighters

Unweighted 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)
Lower Upper 25th 50th 75th 95th
Et-PFOSA-AcOH EtPFOSAAcOH NA ng/mL 101 0.016 0.014 0.018 <LOD 0.016 0.023 0.060 65.3% 0.011
Me-PFOSA-AcOH MePFOSAAcOH NA ng/mL 101 0.16 0.13 0.18 0.086 0.14 0.24 0.61 100% 0.013
PFBS PFBS NA ng/mL 101 * * * <LOD <LOD <LOD 0.020 6.9% 0.02
PFDA PFDA NA ng/mL 101 0.899 0.783 1.03 0.512 0.721 1.72 2.63 100% 0.032
PFDoA PFDoA NA ng/mL 101 * * * <LOD <LOD <LOD <LOD 0% 0.040
PFHpA PFHpA NA ng/mL 101 0.13 0.11 0.15 0.06 0.12 0.22 0.63 75.2% 0.059
PFHxS PFHxS NA ng/mL 101 2.26 2 2.54 1.61 2.27 3.13 4.64 100% 0.012
PFNA PFNA NA ng/mL 101 1.15 1.06 1.25 0.888 1.13 1.49 2.21 100% 0.075
PFOA PFOA NA ng/mL 101 3.75 3.37 4.17 2.96 3.86 4.89 9.54 100% 0.301
PFOS PFOS NA ng/mL 101 12.5 11.3 13.8 10.1 12.7 16.8 24.7 100% 0.083
PFOSA PFOSA NA ng/mL 101 0.032 0.027 0.037 0.019 0.029 0.050 0.151 95.0% 0.009
PFUnDA PFUnDA NA ng/mL 101 0.24 0.21 0.27 0.17 0.26 0.37 0.53 100% 0.010

Project: Maternal and Infant Environmental Exposure Project (MIEEP)

  • Study Group Subset: Pregnant women

Unweighted Results

Chemical measured Indicates Exposure to Adjusted for Units Number of people tested Geometric mean 95% Confidence Interval Selected Percentiles Limit of Detection (LOD), wet-weight
Lower Upper 25th 50th 75th 90th
Et-PFOSA-AcOH Et-PFOSA-AcOH NA ng/mL 77 * * * <LOD 0.012 0.021 0.026 0.011
Me-PFOSA-AcOH Me-PFOSA-AcOH NA ng/mL 77 0.067 0.055 0.082 0.037 0.064 0.10 0.20 0.013
PFBS PFBS NA ng/mL 77 * * * <LOD <LOD <LOD <LOD 0.022
PFDA PFDA NA ng/mL 77 * * * <LOD <LOD 0.035 0.64 0.032
PFDoA PFDoA NA ng/mL 77 * * * <LOD <LOD <LOD <LOD 0.036
PFHpA PFHpA NA ng/mL 77 * * * <LOD <LOD 0.071 0.14 0.059
PFNA PFNA NA ng/mL 77 0.733 0.621 0.865 0.504 0.791 1.11 1.74 0.075
PFOA PFOA NA ng/mL 77 * * * <LOD 0.474 0.811 1.25 0.30
PFOS PFOS NA ng/mL 77 2.55 2.20 2.95 1.78 2.43 4.11 4.90 0.083
PFOSA PFOSA NA ng/mL 77 0.019 0.016 0.022 0.012 0.017 0.026 0.049 0.01
PFUnDA PFUnDA NA ng/mL 77 0.131 0.101 0.170 0.0730 0.165 0.261 0.474 0.01

Project: Measuring Analytes in Maternal Archived Samples (MAMAS) – MAMAS 1

  • Study Group Subset: Subsample 2

Unweighted 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
Lower Upper 25th 50th 75th 95th
Et-PFOSA-AcOH Et-PFOSA-AcOH NA ng/mL 200 * * * <LOD <LOD 0.0185 0.0288 29.0% 0.0164 ng/mL
Me-PFOSA-AcOH Me-PFOSA-AcOH NA ng/mL 200 0.0446 0.0379 0.0526 0.0177 0.0373 0.091 0.361 79.5% 0.0147 ng/mL
PFDA PFDA NA ng/mL 200 0.198 0.174 0.226 0.0950 0.212 0.373 0.908 83.0% 0.0652 ng/mL
PFDoA PFDoA NA ng/mL 200 * * * <LOD <LOD <LOD 0.317 8.0% 0.174 ng/mL
PFHpA PFHpA NA ng/mL 200 0.0453 0.0397 0.0515 0.0220 0.0484 0.0954 0.198 83.5% 0.0149 ng/mL
PFHxS PFHxS NA ng/mL 200 0.904 0.818 0.998 0.558 0.861 1.43 2.83 100% 0.0250 ng/mL
PFNA PFNA NA ng/mL 200 0.647 0.596 0.703 0.442 0.644 0.952 1.74 100% 0.0302 ng/mL
PFOA PFOA NA ng/mL 200 1.243 1.154 1.339 0.898 1.29 1.77 2.81 100% 0.0391 ng/mL
PFOS PFOS NA ng/mL 200 4.20 3.82 4.62 2.62 4.47 6.75 12.3 100% 0.0565 ng/mL
PFOSA PFOSA NA ng/mL 200 * * * <LOD <LOD 0.00661 0.0266 33.5% 0.00460 ng/mL
PFUnDA PFUnDA NA ng/mL 200 0.124 0.107 0.144 0.0483 0.118 0.275 0.717 78.0% 0.0430 ng/mL

Project: Measuring Analytes in Maternal Archived Samples (MAMAS) – MAMAS 2

  • Study Group Subset: Subsample 2

Unweighted Results

Chemical measured Indicates Exposure to Units Number of people tested Geometric mean 95% Confidence Interval Selected Percentiles Detection Frequency Limit of Detection (LOD), wet-weight
Lower Upper 25th 50th 75th 95th
4:2 FTS 4:2 FTS ng/mL 292 * * * <LOD <LOD <LOD 0.0463 6.2% 0.0372 ng/mL
5:3 FTCA 5:3 FTCA ng/mL 292 * * * <LOD <LOD <LOD <LOD 1.7% 0.0500 ng/mL
6:2 diPAP 6:2 diPAP ng/mL 277 * * * <LOD <LOD <LOD <LOD 2.5% 0.0645 ng/mL
6:2 FTCA 6:2 FTCA ng/mL 292 * * * <LOD <LOD <LOD <LOD 0% 0.250 ng/mL
6:2 FTS 6:2 FTS ng/mL 240 * * * <LOD <LOD <LOD 0.781 20.8% 0.188 ng/mL
6:2 FTUCA 6:2 FTUCA ng/mL 292 * * * <LOD <LOD <LOD <LOD 0% 0.0243 ng/mL
6:6 PFPiA 6:6 PFPiA ng/mL 292 * * * <LOD <LOD <LOD <LOD 0% 0.0429 ng/mL
7:3 FTCA 7:3 FTCA ng/mL 291 * * * <LOD <LOD <LOD <LOD 4.8% 0.0622 ng/mL
8:2 diPAP 8:2 diPAP ng/mL 291 * * * <LOD <LOD <LOD <LOD 0% 0.250 ng/ml
8:2 FTCA 8:2 FTCA ng/mL 292 * * * <LOD <LOD <LOD <LOD 0% 0.250 ng/mL
8:2 FTS 8:2 FTS ng/mL 290 * * * <LOD <LOD <LOD <LOD 1.4% 0.0500 ng/mL
8:2 FTUCA 8:2 FTUCA ng/mL 292 * * * <LOD <LOD <LOD <LOD 0.3% 0.0280 ng/mL
Et-PFOSA-AcOH Et-PFOSA-AcOH ng/mL 292 * * * <LOD <LOD 0.0179 0.0398 35.6% 0.0131 ng/mL
Me-PFOSA-AcOH Me-PFOSA-AcOH ng/mL 292 * * * <LOD <LOD 0.107 0.287 45.5% 0.0638 ng/mL
PFBA PFBA ng/mL 292 0.0577 0.0550 0.0606 <LOD 0.0594 0.0770 0.121 65.8% 0.0500 ng/mL
PFBS PFBS ng/mL 292 * * * <LOD <LOD 0.0119 0.0283 25.0% 0.0140 ng/mL
PFDA PFDA ng/mL 292 0.213 0.196 0.231 0.135 0.189 0.320 0.752 99.0% 0.0542 ng/mL
PFDoA PFDoA ng/mL 292 * * * <LOD <LOD <LOD 0.0854 16.4% 0.0500 ng/mL
PFDS PFDS ng/mL 292 * * * <LOD <LOD <LOD 0.0308 5.8% 0.0274 ng/mL
PFHpA PFHpA ng/mL 292 * * * <LOD <LOD <LOD 0.103 24.0% 0.0500 ng/ml
PFHxA PFHxA ng/mL 292 * * * <LOD <LOD <LOD 0.0925 5.5% 0.0818 ng/mL
PFHxPA PFHxPA ng/mL 292 * * * <LOD <LOD <LOD <LOD 0% 0.0500 ng/mL
PFHxS PFHxS ng/mL 292 0.743 0.690 0.800 0.496 0.720 1.00 2.66 100% 0.0195 ng/ml
PFNA PFNA ng/mL 292 0.542 0.509 0.578 0.372 0.527 0.774 1.39 100% 0.0487 ng/mL
PFOA PFOA ng/mL 292 1.01 0.942 1.09 0.631 1.02 1.55 2.88 100% 0.0539 ng/mL
PFOS PFOS ng/mL 292 3.10 2.88 3.33 2.05 3.09 4.41 9.07 100% 0.316 ng/mL
PFOSA PFOSA ng/mL 292 * * * <LOD <LOD <LOD <LOD 2.4% 0.0173 ng/mL
PFPeA PFPeA ng/mL 292 * * * <LOD <LOD <LOD 0.0255 6.5% 0.0235 ng/mL
PFUnDA PFUnDA ng/mL 292 0.129 0.115 0.145 0.0646 0.118 0.275 0.726 81.2% 0.0481 ng/mL

Project: Measuring Analytes in Maternal Archived Samples (MAMAS) – MAMAS 3

  • Study Group Subset: Subsample 2

Unweighted Results

Chemical measured Indicates Exposure to Units Number of people tested Geometric mean 95% Confidence Interval Selected Percentiles Detection Frequency Limit of Detection (LOD), wet-weight
Lower Upper 25th 50th 75th 90th
4:2 FTS 4:2 FTS ng/mL 96 * * * <LOD <LOD <LOD <LOD 0% 0.0372 ng/mL
5:3 FTCA 5:3 FTCA ng/mL 96 * * * <LOD <LOD <LOD <LOD 7.3% 0.0500 ng/mL
6:2 diPAP 6:2 diPAP ng/mL 96 * * * <LOD <LOD <LOD <LOD 0% 0.0645 ng/mL
6:2 FTCA 6:2 FTCA ng/mL 96 * * * <LOD <LOD <LOD <LOD 4.2% 0.250 ng/mL
6:2 FTS 6:2 FTS ng/mL 87 * * * <LOD <LOD <LOD <LOD 0% 0.188 ng/mL
6:2 FTUCA 6:2 FTUCA ng/mL 96 * * * <LOD <LOD <LOD <LOD 0% 0.0243 ng/mL
6:6 PFPiA 6:6 PFPiA ng/mL 96 * * * <LOD <LOD <LOD <LOD 0% 0.0429 ng/mL
6:8 PFPiA 6:8 PFPiA ng/mL 96 * * * <LOD <LOD <LOD <LOD 1.0% 0.198 ng/mL
7:3 FTCA 7:3 FTCA ng/mL 96 * * * <LOD <LOD <LOD <LOD 0% 0.0622 ng/mL
8:2 diPAP 8:2 diPAP ng/mL 96 * * * <LOD <LOD <LOD <LOD 0% 0.250 ng/mL
8:2 FTCA 8:2 FTCA ng/mL 96 * * * <LOD <LOD <LOD <LOD 0% 0.250 ng/mL
8:2 FTS 8:2 FTS ng/mL 96 * * * <LOD <LOD <LOD <LOD 2.1% 0.0500 ng/mL
8:2 FTUCA 8:2 FTUCA ng/mL 96 * * * <LOD <LOD <LOD <LOD 0% 0.0280 ng/mL
Et-PFOSA-AcOH Et-PFOSA-AcOH ng/mL 96 * * * <LOD <LOD <LOD 0.0136 11.5% 0.0131 ng/mL
Me-PFOSA-AcOH Me-PFOSA-AcOH ng/mL 96 * * * <LOD <LOD <LOD <LOD 22.9% 0.0638 ng/mL
PFBA PFBA ng/mL 96 0.0760 0.0697 0.0828 0.0645 0.0845 0.0990 0.117 82.3% 0.0500 ng/mL
PFBS PFBS ng/mL 96 * * * <LOD <LOD <LOD <LOD 7.3% 0.0140 ng/mL
PFDA PFDA ng/mL 96 0.187 0.160 0.220 0.109 0.169 0.285 0.613 99.0% 0.0542 ng/mL
PFDoA PFDoA ng/mL 96 * * * <LOD <LOD <LOD 0.0741 17.7% 0.0500 ng/mL
PFDS PFDS ng/mL 96 * * * <LOD <LOD <LOD <LOD 6.3% 0.0274 ng/mL
PFHpA PFHpA ng/mL 96 * * * <LOD <LOD <LOD <LOD 2.1% 0.0107 ng/mL
PFHxA PFHxA ng/mL 96 * * * <LOD <LOD <LOD <LOD 0% 0.108 ng/mL
PFHxPA PFHxPA ng/mL 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500 ng/mL
PFHxS PFHxS ng/mL 96 0.416 0.366 0.473 0.272 0.386 0.606 0.951 100% 0.0472 ng/mL
PFNA PFNA ng/mL 96 0.406 0.360 0.457 0.263 0.426 0.564 0.830 100% 0.0767 ng/mL
PFOA PFOA ng/mL 96 0.892 0.783 1.02 0.604 0.895 1.29 2.00 100% 0.0539 ng/mL
PFOPA PFOPA ng/mL 96 * * * <LOD <LOD <LOD <LOD 0% 0.0500 ng/mL
PFOS PFOS ng/mL 96 2.39 2.08 2.75 1.47 2.47 3.56 5.42 100% 0.316 ng/mL
PFOSA PFOSA ng/mL 96 * * * <LOD <LOD <LOD <LOD 0% 0.0173 ng/mL
PFPeA PFPeA ng/mL 96 * * * <LOD <LOD <LOD <LOD 5.2% 0.0235 ng/mL
PFUnDA PFUnDA ng/mL 96 0.121 0.0990 0.147 0.0584 0.108 0.215 0.532 79.2% 0.0481 ng/mL