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. 2017 Jul 3;10(1):72–82. doi: 10.1007/s12560-017-9311-7

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© The Author(s) 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 4 — Time required to filter samples at the Kibera site in Nairobi. Total volume filtered ranged from 2.9 to 4.0 L. n = 2 for disposable housing, n = 6 for reusable housing. Error bars represent standard deviation