Results for Organochlorine Pesticides

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 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
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 48 5.7 3.8 8.5 <LOD 5.9 10 29 69% 0.010 ng/mL
DDE (para,para) DDT (para,para) and/or DDE (para,para) ng/g lipid 48 190 160 230 120 180 290 420 100% 0.027 ng/mL
DDT (ortho,para) DDT (ortho,para) ng/g lipid 48 3.7 3.0 4.6 <LOD 5.3 7.1 8.2 69% 0.012 ng/mL
DDT (para,para) DDT (para,para) ng/g lipid 48 4.3 3.5 5.2 3.3 4.1 6.3 9.0 88% 0.010 ng/mL
Hexachlorobenzene (HCB) HCB ng/g lipid 48 7.7 7.2 8.1 6.8 7.8 8.5 10 100% 0.010 ng/mL
Oxychlordane Chlordane ng/g lipid 48 4.6 4.1 5.2 3.9 5.0 5.8 7.1 98% 0.010 ng/mL
trans-Nonachlor Chlordane ng/g lipid 48 8.8 7.7 10 6.7 8.8 11 15 100% 0.011 ng/mL
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 793 5.21 4.88 5.57 2.79 5.24 9.66 25.3 84.5% 0.015 ng/mL
DDE (para,para) DDT (para,para) and/or DDE (para,para) ng/g lipid 793 301 283 320 159 298 540 1360 100% 0.015 ng/mL
DDT (ortho,para) DDT (ortho,para) ng/g lipid 793 * * * <LOD <LOD <LOD <LOD 2.3% 0.031 ng/mL
DDT (para,para) DDT (para,para) ng/g lipid 793 1.94 1.87 2.02 <LOD 1.84 2.58 5.47 67.7% 0.015 ng/mL
Hexachlorobenzene (HCB) HCB ng/g lipid 793 12.0 11.7 12.2 9.75 11.9 14.3 20.8 100% 0.015 ng/mL
Oxychlordane Oxychlordane ng/g lipid 793 8.34 7.95 8.75 5.52 8.63 13.0 23.6 98.1% 0.015 ng/mL
trans-Nonachlor t-Nonachlor ng/g lipid 793 15.3 14.6 16.0 10.1 14.8 23.4 49.4 99.9% 0.015 ng/mL
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) beta-HCH ng/g lipid 101 2.19 2.00 2.41 1.68 2.23 2.83 4.64 97.0% 0.005 ng/mL
DDE (para,para) para,para-DDT and/or para,para-DDE ng/g lipid 101 177 161 196 125 182 245 394 100% 0.009 ng/mL
DDT (ortho,para) ortho,para-DDT ng/g lipid 101 * * * <LOD <LOD <LOD <LOD 4.0% 0.005 ng/mL
DDT (para,para) para,para-DDT ng/g lipid 101 1.34 1.20 1.50 <LOD 1.43 2.07 3.08 74.3% 0.005 ng/mL
Hexachlorobenzene (HCB) HCB ng/g lipid 101 11.8 11.3 12.4 10.3 11.7 13.2 17.6 100% 0.007 ng/mL
Oxychlordane Chlordane ng/g lipid 101 4.08 3.64 4.56 2.73 4.31 5.80 9.63 99.0% 0.005 ng/mL
trans-Nonachlor Chlordane ng/g lipid 101 7.32 6.57 8.15 5.07 7.32 10.2 16.6 100% 0.005 ng/mL
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
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

Footnotes

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