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AJPH First Look, published online ahead of print Sep 17, 2009
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November 2009, Vol 99, No. 11 | American Journal of Public Health 1975-1978
© 2009 American Public Health Association
DOI: 10.2105/AJPH.2009.160077

RESEARCH AND PRACTICE

Viability of Commercially Available Bleach for Water Treatment in Developing Countries

Daniele S. Lantagne, MEng

Daniele S. Lantange is with the Centers for Disease Control and Prevention, Atlanta, GA.

Correspondence: Correspondence should be sent to Daniele Lantagne, PE, 1600 Clifton Rd, MS-A38, Atlanta, GA, 30333 (e-mail: dlantagne{at}cdc.gov). Reprints can be ordered at http://www.ajph.org by clicking the "Reprints/Eprints" link.

Treating household water with low-cost, widely available commercial bleach is recommended by some organizations to improve water quality and reduce disease in developing countries. I analyzed the chlorine concentration of 32 bleaches from 12 developing countries; the average error between advertised and measured concentration was 35% (range = –45%–100%; standard deviation = 40%). Because of disparities between advertised and actual concentration, the use of commercial bleach for water treatment in developing countries is not recommended without ongoing quality control testing.






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