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Assessment of the levels of DDT and DDE in soil and blood samples from Tabasco, Mexico

Torres Dosal, Arturo | Martínez Salinas, Rebeca Isabel [autor/a] | Hernández Benavides, Diego Manuel [autor/a] | Pérez Vázquez, Francisco Javier [autor/a] | Ilizaliturri Hernández, César Arturo [autor/a] | Pérez Maldonado, Iván Nelinho [autor/a].
Tipo de material: Artículo ArtículoTema(s): Malaria | DDT (Insecticida) | Riesgo a la saludTema(s) en inglés: Malaria | DDT (Insecticide) | Health hazardsDescriptor(es) geográficos: Tabasco (México) Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Environmental Monitoring and Assessment. volumen 184, número 12 (December 2012), páginas 7551-7559. --ISSN: 0167-6369Número de sistema: 9876Resumen:
Inglés

In Mexico, 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane (DDT) was used until the year 2000, principally in agriculture and anti-paludal program health campaigns. The southeastern region of Mexico was an important area of malaria, and from 1957 DDT was applied indoors every 6 months, with a coverage of 2 g/m2. The current study was performed in Tabasco, a Mexican state located in the southeastern region of Mexico. DDT and 1,1-dichloro-2,2-bis(4-chlorophenyl)ethene (DDE) were analyzed by gas chromatography/mass spectrometry. In general, low levels were found in household outdoor samples; the levels of DDT ranged from not detectable to 0.048 mg/kg, and of DDE from 0.001 to 0.068 mg/kg. An important finding was that, in all communities where DDT in blood was analyzed, exposure to DDT was found, indicating both past and present exposure. Although the levels found in this study were lower than other studies in Mexico, there is a need to evaluate whether the people living in the study area are at risk.
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Disponible para usuarios de ECOSUR con su clave de acceso

In Mexico, 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane (DDT) was used until the year 2000, principally in agriculture and anti-paludal program health campaigns. The southeastern region of Mexico was an important area of malaria, and from 1957 DDT was applied indoors every 6 months, with a coverage of 2 g/m2. The current study was performed in Tabasco, a Mexican state located in the southeastern region of Mexico. DDT and 1,1-dichloro-2,2-bis(4-chlorophenyl)ethene (DDE) were analyzed by gas chromatography/mass spectrometry. In general, low levels were found in household outdoor samples; the levels of DDT ranged from not detectable to 0.048 mg/kg, and of DDE from 0.001 to 0.068 mg/kg. An important finding was that, in all communities where DDT in blood was analyzed, exposure to DDT was found, indicating both past and present exposure. Although the levels found in this study were lower than other studies in Mexico, there is a need to evaluate whether the people living in the study area are at risk. eng

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