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Arsenic and lead contamination in urban soils of Villa de la Paz (Mexico) affected by historical mine wastes and its effect on children's health studied by micronucleated exfoliated cells assay.
Gamiño-Gutiérrez, Sandra P; González-Pérez, C Ivonne; Gonsebatt, María E; Monroy-Fernández, Marcos G.
Afiliação
  • Gamiño-Gutiérrez SP; Programa Multidisciplinario de Posgrado en Ciencias Ambientales, Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico. ceassa@sip.uaslp.mx
Environ Geochem Health ; 35(1): 37-51, 2013 Feb.
Article em En | MEDLINE | ID: mdl-22736102
Environmental geochemical and health studies were carried out in urban areas of Villa de la Paz, S.L.P. (Mexico), where mining activities have been developed for more of 200 years, leading to the pollution of surface soil by arsenic and heavy metals (Pb, Cd, Cu, Zn). The analysis of urban soils to determine total and bioaccessibility concentrations of As and Pb, demonstrated a combined contribution of the natural and anthropogenic concentrations in the site, at levels higher than the environmental guideline values that provoke a human health risk. Contour soil mapping confirmed that historical mine waste deposits without environmental control measures, are the main source of pollution soil by As and Pb in the site. Exposure (Pb in blood and As in urine) and effect (micronucleated exfoliated cells assay) biological monitoring were then carried out in the childhood population of the site and in a control site. The exposure biological monitoring demonstrated that at least 20-30 % of children presented Pb and As exposure values higher than the national and international maximum intervention values. The effect biomonitoring by MEC assay confirmed that there is a genotoxic damage in local childhood population that could be associated with the arsenic exposure in the site.
Assuntos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Arsênio / Poluentes do Solo / Exposição Ambiental / Chumbo Tipo de estudo: Etiology_studies / Risk_factors_studies Limite: Child / Child, preschool / Humans País/Região como assunto: Mexico Idioma: En Revista: Environ Geochem Health Assunto da revista: QUIMICA / SAUDE AMBIENTAL Ano de publicação: 2013 Tipo de documento: Article País de afiliação: México

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Arsênio / Poluentes do Solo / Exposição Ambiental / Chumbo Tipo de estudo: Etiology_studies / Risk_factors_studies Limite: Child / Child, preschool / Humans País/Região como assunto: Mexico Idioma: En Revista: Environ Geochem Health Assunto da revista: QUIMICA / SAUDE AMBIENTAL Ano de publicação: 2013 Tipo de documento: Article País de afiliação: México