Exposure of Florida airboat aquatic weed applicators to 2,4-Dichlorophenoxyacetic acid (2,4-D) |
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Authors: | H.N. Nigg J.H. Stamper |
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Affiliation: | University of Florida, Institute of Food and Agricultural Sciences, Agricultural Research and Education Center, 700 Experiment Station Road, Lake Alfred, FL 33850 USA |
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Abstract: | Florida airboat handgun applicators were monitored for exposure to 2,4-Dichlorophenoxyacetic acid (2,4-D). Four applicators were monitored with air samplers, α -cellulose patches, and 24 hr urine samples on 10 separate days. Estimated total body exposure averaged 15 ± 2 mg/hr, of which 74% was to the legs and feet with an additional 18% to the hands and arms. Estimated respiratory exposure was about 0.03% of the total body exposure. Twenty-four hr urinary 2,4-D ranged from 0.190–0.645 mg. The use of disposable coveralls and effective hand protection would markedly reduce this exposure. |
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