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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Flocculant-disinfectant point-of-use water treatment for reducing arsenic exposure in rural Bangladesh
International Journal of Environmental Health Research, Volume 19, No. 1, Year 2009
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Description
We introduced flocculant-disinfectant water treatment for 12 weeks in 103 households in Bangladesh to assess if drinking water would be chemically and microbiologically improved and the body burden of arsenic reduced. The median concentration of arsenic in tubewell water decreased by 88% after introduction of the flocculant-disinfectant from 136 μg/l at baseline to 16 (p < 0.001). The median concentration of total urinary arsenic decreased 42% from 385 μg/g creatinine at baseline to 225 μg/g creatinine after intervention (p < 0.001). Among 206 post-intervention drinking water samples that were reportedly treated on the date the sample was collected, 99 (48%) lacked residual free chlorine and 100 (49%) were contaminated with thermotolerant coliforms. The flocculant-disinfectant markedly reduced arsenic in drinking water, but treated drinking water was frequently contaminated with fecal organisms. The lesser reduction in urinary arsenic compared to water arsenic and the health consequences of this reduction require further research. © 2009 Taylor & Francis.
Authors & Co-Authors
Rahman, M. Mahmudur
Bangladesh, Dhaka
International Centre for Diarrhoeal Disease Research Bangladesh
Shane, Andi L.
United States, Atlanta
Centers for Disease Control and Prevention
Wahed, Mohammad Abdul
Bangladesh, Dhaka
International Centre for Diarrhoeal Disease Research Bangladesh
Yunus, Mohammad Faisal Mohammed
Bangladesh, Dhaka
International Centre for Diarrhoeal Disease Research Bangladesh
Islam, Mohammad Sirajul
Bangladesh, Dhaka
International Centre for Diarrhoeal Disease Research Bangladesh
Breiman, Robert F.
United States, Atlanta
Centers for Disease Control and Prevention
Bangladesh, Dhaka
International Centre for Diarrhoeal Disease Research Bangladesh
Henderson, Alden K.
United States, Atlanta
Centers for Disease Control and Prevention
Keswick, Bruce H.
United States, Cincinnati
Procter and Gamble
Luby, Stephen P.
United States, Atlanta
Centers for Disease Control and Prevention
Bangladesh, Dhaka
International Centre for Diarrhoeal Disease Research Bangladesh
Statistics
Citations: 23
Authors: 9
Affiliations: 3
Identifiers
Doi:
10.1080/09603120802272219
ISSN:
13691619
Research Areas
Environmental
Study Design
Randomised Control Trial