Estimating Children’s Health Risks from Exposures to Organophosphate Pesticides. K. Sexton and J. L. Adgate, University of Minnesota School of Public Health, Minneapolis MN; E. D. Pellizzari, Research Triangle Institute, RTP NC; J. J. Quackenboss, US EPA, Las Vegas NV; and P. J. Lioy, Environmental and Occupational Health Sciences Institute, Piscataway NJ
As part of the Minnesota Children’s Pesticide Exposure Study, multipathway exposures to selected organophosphate pesticides (chlorpyrifos, malathion, and carbamate pesticides) were measured for 102 children (ages 3 - 12) living in Minneapolis-St. Paul and Rice and Goodhue counties. The primary objective of the study was to characterize pesticide exposures for a statistically based sample of children using a combination of measurements, including: personal samples (air, duplicate diet, hand rinse); environmental samples (residential indoor and outdoor air, drinking water, residential surfaces, soil); human tissue samples (metabolites in urine); and documentation of activity patterns (questionnaire, diary, video-taping). In this presentation we use data on children’s actual exposures, along with information about associated exposure factors, to estimate potential health risks from exposure to organophosphate pesticides. Estimated risk values are compared to established health-related benchmarks.
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