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Table 1 Summary of metabolite urine concentration and three-month average estimated permethrin quantities from 12 participantsa

From: Bioabsorption and effectiveness of long-lasting permethrin-treated uniforms over three months among North Carolina outdoor workers

  Median metabolite urine concentrations (μg/l) 3-month average estimated permethrin (from Eqn 1)
Metabolite Metabolite molecular weight Baseline 1 week 1 month 3 months 3-month averagea Dose fraction in urineb Urine concentration (μg/l) Dosage (μg/kg)
3-PBA 214 1.6 46.7 47.1 15.3 36.4 0.46 36.4 3.1
Cis-DCCA 209 < 0.5 22.1 29.7 10.2 20.7 0.43 20.7 3.2
Trans-DCCA 209 < 0.6 57.4 58.8 21.6 45.9 0.26 45.9 4.3
  1. aMean of 1 week, 1 month and 3-month average measurements, across all participants; human excretion of metabolites following a known oral dose were measured by Ratelle et al. [18]
  2. bHuman excretion of metabolites following a known oral dose were measured as in Ratelle et al. [18]