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Pesticide exposure of children in an agricultural community: evidence of household proximity to farmland and take home exposure pathways.

Authors
Lu-C; Fenske-RA; Simcox-JN; Kalman-D
Source
Environ Res 2000 Nov; 84(3):290-302
NIOSHTIC No.
20032145
Abstract
Children's exposure to organophosphorus (OP) pesticides in an agricultural community in central Washington State was determined. Spot urine and hand wipe samples were collected from 109 children 9 months to 6 years of age, as were house dust samples, and wipe samples from various surfaces. Children were categorized based on parental occupation (agricultural vs nonagricultural) and on household proximity to pesticide-treated orchards. Median house dust concentrations of dimethyl OP pesticides in homes of agricultural families were seven times higher than those of reference families (1.92 vs 0.27 g/g; P<0.001). Median pesticide metabolite concentrations in agricultural children were five times higher than those in reference children (0.05 vs 0.01 g/ml; P=0.09). Median pesticide concentrations in housedust (P=0.01) and metabolite concentrations in urine (P=0.01) from agricultural families were significantly higher in the children living near treated orchards (within 200 ft or 60 m) than those living more distant. Ten of 61 agricultural children had detectable OP pesticide levles on their hands, whereas none of the reference children had detectable levels. These findings indicate that children living with parents who work with agricultural pesticides, or who live in proximity to pesticide-treated farmland, have higher exposures than do other children living in the same community
Keywords
Agricultural-chemicals; Agricultural-workers; Agriculture; Children; Families; Farmers; Organo-phosphorus-compounds; Organo-phosphorus-pesticides; Urinalysis; Samplers; Dust-analysis; Pesticide-residues; Pesticides; Pesticides-and-agricultural-chemicals; Metabolites; Urine-chemistry; Dust-exposure; Dust-measurement; Dust-particles; Dust-sampling; Dust-velocity; Dusts; Exposure-assessment; Exposure-levels; Exposure-limits; Occupational-hazards; Occupational-health; Chemical-properties; Chemical-synthesis
Contact
Chensheng Lu, Department of Environmental Health, 357234, School of Public Health and Community Medicine, University of Washington, Seattle, Washington, 98195-7234
CODEN
ENVRAL
Publication Date
20001101
Document Type
Journal Article
Email Address
calu@u.washington.edu
Funding Amount
868583
Funding Type
Cooperative Agreement
Fiscal Year
2001
NTIS Accession No.
NTIS Price
Identifying No.
Cooperative-Agreement-Number-U07-CCU-012926
Issue of Publication
3
ISSN
0013-9351
Priority Area
Neurotoxic Disorders; Neurotoxic-effects
Source Name
Environmental Research
State
WA
Performing Organization
University of Washington, Seattle, Washington
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