Results for Organophosphate Pesticides

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Results on page last updated: 05/06/2015

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
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 101 0.16 0.12 0.20 <LOD 0.18 0.42 1.2 66.3% 0.050
TCPy Chlorpyrifos μg/L 101 1.78 1.47 2.15 0.823 1.96 3.32 10.4 89.1% 0.50
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

Footnotes

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