865 resultados para Poluição ambiental. Áreas contaminadas. Postos revendedores de combustíveis. Saúde humana. Análise de risco. Passivo ambiental


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The population growth phenomenon, coupled with recent urbanization, is seen in all continents and generates huge pressures on the physical and biotic environment, resulting in floods in several areas, desertification in others, and also various forms of pollution that cause serious problems to human health. It is appropriate to ask, what actions can be implemented in consolidated urban areas to improve the quality of life in this environment? What growth alternatives present themselves to today's society in order to keep an acceptable level of environmental quality in urban centers? A possibility is presented herein, stemming from the application of the Biotope Area Factor (BAF; www.stadtentwicklung.berlin.de) to an area of a Brazilian municipality. Current growing waterproofing requirements fur lots of the area were assesed, comparing them with those that would be desirable by the implementation of the BAF. The associated costs of this deployment are also discussed.

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The geoelectrical methods have been widely used in research involving the evaluation and monitoring of areas with environmental risk. This paper presents the results of applying the Electrical Resistivity method by electrical profiling technique to investigate the fuel presence in soil and groundwater proceeding in station gas, located in an urban area Caçapava do Sul (RS), on soil in situ, from modification of Caçapava granite. The results suggest an association between low resistivity anomalies zone with potentially degraded from underground tanks worthless on the form of free phase, now represented as residual phase. The results of the model inversion are consistent with the standards expected for hydrocarbons present in the saturated zone. The electrical resistivity method proved to be an important tool for assessment and environmental monitoring in conjunction with direct methods of investigation.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)