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Natural arsenic occurrence in drinking water and assessment of water quality in the southern part of the Poopó lake basin, Bolivian Altiplano
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Hållbar utveckling, miljövetenskap och teknik. Universidad Mayor de San Andrés, Bolivia . (KTH-International Groundwater Arsenic Research Group)
Vise andre og tillknytning
2014 (engelsk)Inngår i: One Century of the Discovery of Arsenicosis in Latin America (1914-2014): As 2014 - Proceedings of the 5th International Congress on Arsenic in the Environment, 2014, s. 154-156Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Drinking water quality and the presence of natural arsenic (As) were studied in a rural, less developed area of the southern part of the Poopó lake basin in the Central Bolivian Altiplano. People in this area use untreated surface- and ground-water directly as drinking water. Water is extracted from excavated wells and from few rivers occasionally present during the rainy season. Forty-one wells and seven different sites along four rivers were sampled as they are common sources for drinking water. The main characteristics of the sampled waters showed a slightly alkaline pH, high electrical conductivity and high salinity where the principal components were sodium, chloride and bicarbonate. Arsenic concentrations reached values up to 623 μg L -1 exceeding the current WHO guideline value (10 μg L -1) in all rivers and in ninety-five percent of the sampled wells. Heavy metals and other trace elements showed relatively low concentrations.

sted, utgiver, år, opplag, sider
2014. s. 154-156
Emneord [en]
Alkalinity, Chlorine compounds, Heavy metals, Lakes, Rivers, Sodium bicarbonate, Water quality, Arsenic concentration, Assessment of water qualities, Bolivian Altiplano, Guideline values, High electrical conductivity, Low concentrations, Principal Components, Rainy seasons, Arsenic
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-167598Scopus ID: 2-s2.0-84907339997ISBN: 9781138001411 (tryckt)OAI: oai:DiVA.org:kth-167598DiVA, id: diva2:815093
Konferanse
5th International Congress on Arsenic in the Environment, As 2014, 11 May 2014 through 16 May 2014, Buenos Aires
Merknad

QC 20150529

Tilgjengelig fra: 2015-05-29 Laget: 2015-05-22 Sist oppdatert: 2015-05-29bibliografisk kontrollert

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Totalt: 110 treff
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