Estimated MITC concentrations during the episode exceeded both the 4-minute NOEL and 1-hourNOELby approximately four fold. The high concentrations of MITC present in the affected neighborhood may have been partially attributable to failure to immediately complete a required post-application water-treatment on 15 of the 100 treated acres. However, because of the limited area involved, the violation was unlikely to have accounted for the entire incident. Similar episodes may occur when metam-sodium fumigants are used adjacent to other rural communities.
Objetivo: Establecer la prevalencia de Salmonella ssp. (no tifoideas) en el Departamento de Nariño en superficies que entran en contacto con carne, productos y derivados cárnicos, en expendios, vehículos y manipuladores.Materiales y métodos: Estudio de corte transversal a partir de la recolección de una muestra y análisis en laboratorio.Resultados: Las superficies inertes y vivas en contacto presentan una moderada prevalencia de Salmonella spp., especialmente en los municipios de Pupiales y Puerres.Conclusiones: A pesar de la vigilancia epidemiológica y de que los establecimientos cuentan con los permisos sanitarios, se incumplen las medidas sanitarias y hay una considerable presencia de Salmonella spp.
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