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Groundwater arsenic mitigation in Bangladesh: Two decades of advancements in scientific research and policy instruments
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering. (KTH-International Groundwater Arsenic Research Group)ORCID iD: 0000-0003-4350-9950
2014 (English)In: 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, 886-888 p.Conference paper, Published paper (Refereed)
Abstract [en]

Two decades have passed since the first detection of arsenic above allowable limits in groundwater of Bangladesh. A good number of scientific research and mitigation projects have so far been completed but still today more than 22 million people are exposed to arsenic leaves of 50 μg L-1 or more. As there are many untested new wells, it is not precisely known how many people are exposed to what level. Scientific knowledge about occurrences, distribution and release mechanisms have enhanced significantly. Although deep tube wells have emerged as the most effective mitigation measure over most of the country, still there are areas where this does not work. Recent studies reported effectiveness of alternative options like intermediate deep wells and subsurface arsenic removal. There has been a major paradigm shift in the policy arena regarding arsenic mitigation.

Place, publisher, year, edition, pages
2014. 886-888 p.
Keyword [en]
Groundwater, Pollution control, Mitigation measures, Mitigation projects, Paradigm shifts, Policy instruments, Release mechanism, Scientific knowledge, Scientific researches, Subsurface arsenic removals, Arsenic
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:kth:diva-167602Scopus ID: 2-s2.0-84907352000ISBN: 9781138001411 (print)OAI: oai:DiVA.org:kth-167602DiVA: diva2:814839
Conference
5th International Congress on Arsenic in the Environment, As 2014, 11 May 2014 - 16 May 2014, Buenos Aires
Note

QC 20150528

Available from: 2015-05-28 Created: 2015-05-22 Last updated: 2015-05-28Bibliographically approved

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Bhattacharya, Prosun

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