Hydrochemical Evaluation Of The Quality Of
Some Brazilian Waters
Author(s)
D. M. Bonotto, L. Caprioglio, H. K. Itoman, M. Santilli
& B. W. Tessari
Abstract
This investigation was carried out within the Paraná sedimentary basin and
neighbourhood in Brazil and involved the sampling of different water types with
the purpose of evaluating its quality. Several methods were utilized for acquiring
the hydrochemical data and a novel technique has been developed for evaluating
the gross alpha and beta radioactivities in water, through a combined
gamma-alpha spectrometry technique. The results obtained for the analyzed
samples were compared with the guideline values established by the São Paulo
State and Brazilian Health Ministry legislations for defining potable water
standards and for the prevention and control of pollution in the environment. The
hydrochemical data allowed evaluation of diverse problems related to the
interaction between society and the environment such as sugarcane production
and the releases associated with gas stations suppliers. The geogenic input of
sulfate in groundwater was also identified. The established radiometric technique
was properly calibrated and successfully applied to the analysis of different
water types utilized for human consumption.
Keywords: drinking water quality, groundwater, hydrochemistry, vinasse, sugar
and alcohol production, gross alpha radioactivity, gross beta radioactivity.
1 Introduction
For many years, environmentalists, humanitarians, government agencies,
politicians, educators, and others have expressed concern for protecting
hydrological resources against pollutants. In Brazil, waste disposal areas related
to the production and processing of sugarcane may also be a source of
contaminants to the hydrologic environment. During 2007, sugarcane production
Keywords
drinking water quality, groundwater, hydrochemistry, vinasse, sugar
and alcohol production, gross alpha radioactivity, gross beta radioactivity.
Related Book
Other papers in this volume
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