Results for Pyrethroid Pesticides

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Results on page last updated: 03/01/2018

Chemical Group: Pyrethroid Pesticides

  • Measured in: Urine

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

Diverse group of smiling adults
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
3-Phenoxybenzoic acid (3-PBA) Cyhalothrin, cypermethrin, deltamethrin, fenpropathrin, permethrin, and/or tralomethrin µg/L 109 0.774 0.609 0.983 0.390 0.736 1.79 5.95 98.2% 0.0500 µg/L
4-Fluoro-3-phenoxybenzoic acid (4F-3-PBA) Cyfluthrin µg/L 109 * * * <LOD <LOD <LOD 0.143 14.7% 0.0500 µg/L
Trans-DCCA Cyfluthrin, cypermethrin, permethrin µg/L 109 0.614 0.476 0.792 0.258 0.555 1.21 7.42 98.2% 0.0500 µg/L

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

Diverse group of smiling adults
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
3-Phenoxybenzoic acid (3-PBA) Cyhalothrin, cypermethrin, deltamethrin, fenpropathrin, permethrin, and/or tralomethrin µg/L 218 0.741 0.620 0.886 0.331 0.800 1.61 5.92 94.0% 0.0500 µg/L
4-Fluoro-3-phenoxybenzoic acid (4F-3-PBA) Cyfluthrin µg/L 218 * * * <LOD <LOD <LOD 0.0936 15.6% 0.0500 µg/L
Trans-DCCA Cyfluthrin, cypermethrin, permethrin µg/L 218 0.488 0.405 0.588 0.213 0.434 1.22 6.00 93.1% 0.0501 µg/L

Project: Firefighter Occupational Exposures (FOX) Project

Firefighters fighting flames, wearing full protective suits and holding large hoses spraying water
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
3-Phenoxybenzoic acid (3-PBA) Cyhalothrin, cypermethrin, deltamethrin, fenpropathrin, permethrin, and/or tralomethrin μg/L 101 0.54 0.43 0.67 0.28 0.51 0.99 3.7 98.0% 0.050
4-Fluoro-3-phenoxybenzoic acid (4F-3-PBA) Cyfluthrin ng/mL 101 * * * <LOD <LOD <LOD 0.063 10.9% 0.050

Project: Maternal and Infant Environmental Exposure Project (MIEEP)

Pregnant woman seated in front of a laptop computer
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