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Concentrations of the urinary pyrethroid metabolite 3-phenoxybenzoic acid in farm worker families in the MICASA study.

Authors
Trunnelle-KJ; Bennett-DH; Ahn-KC; Schenker-MB; Tancredi-DJ; Gee-SJ; Stoecklin-Marois-MT; Hammock-BD
Source
Environ Res 2014 May; 131:153-159
NIOSHTIC No.
20044632
Abstract
Indoor pesticide exposure is a growing concern, particularly from pyrethroids, a commonly used class of pesticides. Pyrethroid concentrations may be especially high in homes of immigrant farm worker families who often live in close proximity to agricultural fields, and are faced with poor housing conditions, causing higher pest infestation and more pesticide use. We investigate exposure of farm worker families to pyrethroids in a study of mothers and children living in Mendota, CA within the population-based Mexican Immigration to California: Agricultural Safety and Acculturation (MICASE) Study. We present pyrethroid exposure based on an ELISA analysis of urinary metabolite 3-phenoxybenzoic acid (3PBA0 levels among 105 women and 103 children. The median urinary 3PBA levels(children=2.56ug/g creatinine, mothers=1.46ug/g creatinine) were higher than those reported in population based studies for the United States general population, but similar to or lower than studies with known high levels of pyrethroid exposure. A positive association was evident between poor housing conditions and the urinary metabolite levels, showing that poor housing conditions are a contributing factor to the higher levels of 3PBA seen in the urine of these farm worker families. Further research in warranted to fully investigate sources of exposure.
Keywords
Indoor-air-pollution; Indoor-environmental-quality; Pesticide-residues; Pesticides; Pesticides-and-agricultural-chemicals; Pyrethroids; Farmers; Agricultural-chemicals; Agricultural-workers; Agriculture; Sociological-factors; Demographic-characteristics; Families; Exposure-levels; Risk-factors; Humans; Men; Women; Children; Urinalysis; Metabolites; Statistical-analysis; Author Keywords: Pyrethroid; 3PBA; ELISA; Farm worker; Children
Contact
Kelly J.Trunnelle, Department of Environmental Toxicology, University of California, Davis 1 Shields Avenue, Davis, CA 95616
CODEN
ENVRAL
CAS No.
91465-08-6
Publication Date
20140501
Document Type
Journal Article
Email Address
kjtrunnelle@ucdavis.edu
Funding Type
Cooperative Agreement
Fiscal Year
2014
NTIS Accession No.
NTIS Price
Identifying No.
Cooperative-Agreement-Number-U50-OH-007550; Grant-Number-R01-OH-009293; M072014
ISSN
0013-9351
Source Name
Environmental Research
State
CA
Performing Organization
University of California - Davis
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