2017
DOI: 10.4136/ambi-agua.2006
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Geochemical analyses of water and public health of the Mangueirão and Salso Streams in Caçapava do Sul, RS, Brazil

Abstract: Caçapava do Sul, RS, Brazil produces 80% of the State's rock-dust, and its 1st district is located near four marble quarries. A significant increase in Brazilian mineral extraction has caused serious environmental problems, such as the development and proliferation of diseases directly related to water resources. This study sought to investigate the water composition in the 1st district area. Geochemical investigation revealed waters classified as soft and hard, neutral and alkaline pH. Electric conductivity r… Show more

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Cited by 3 publications
(4 citation statements)
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(6 reference statements)
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“…At Jaguari stream, it varied between 18.27 and 41.31 mg L -1 . Comparing these results to those found by [22], where results show 1.07 mg L -1 and, also, [21] where the result show 11.20 mg L -1 both for the calcium, accordingly, the tenor of calcium calculated in this study was ~2.6 and ~2.5 times bigger. Fig.…”
Section: Resultssupporting
confidence: 82%
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“…At Jaguari stream, it varied between 18.27 and 41.31 mg L -1 . Comparing these results to those found by [22], where results show 1.07 mg L -1 and, also, [21] where the result show 11.20 mg L -1 both for the calcium, accordingly, the tenor of calcium calculated in this study was ~2.6 and ~2.5 times bigger. Fig.…”
Section: Resultssupporting
confidence: 82%
“…4). The presented data does not deviate from Rio Grande do Sul and Brazil's average hardness on urban and rural waters [20], [21].…”
Section: Resultsmentioning
confidence: 89%
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“…The total hardness results of the samples showed elevated variation, with values between 14.29 and 88.77 mg L -1 of CaCO3 (Table 1), allowing the classification of these waters between soft and intermediary (Sawyer et al, 2000). The data presented corroborate the hardness ratings for urban and rural waters of Rio Grande do Sul State and Brazil (Steffens et al, 2015;Gomes et al, 2017;2018a;2018b), and are within the standards of Ordinance N º. 1469 (Anvisa, 2001).…”
supporting
confidence: 81%