Pesticide dose estimates for children of Iowa farmers and non-farmers

  • Curwin B
  • Hein M
  • Sanderson W
 et al. 
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Abstract

Farm children have the potential to be exposed to pesticides. Biological monitoring is often employed to assess this exposure; however, the significance of the exposure is uncertain unless doses are estimated. In the spring and summer of 2001, 118 children (66 farm, 52 non-farm) of Iowa farm and non-farm households were recruited to participate in a study investigating potential take-home pesticide exposure. Each child provided an evening and morning urine sample at two visits spaced approximately 1 month apart, with the first sample collection taken within a few days after pesticide application. Estimated doses were calculated for atrazine, metolachlor, chlorpyrifos, and glyphosate from urinary metabolite concentrations derived from the spot urine samples and compared to EPA reference doses. For all pesticides except glyphosate, the doses from farm children were higher than doses from the non-farm children. The difference was statistically significant for atrazine (p

Author-supplied keywords

  • Biological monitoring
  • Children
  • Dose
  • Exposure
  • Herbicides
  • Insecticides
  • Pesticides
  • Urine

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