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Evaluation of different strategies for deploying the H2S test to detect microbial contamination of drinking water

Wright, JA, Yang, H, Pedley, S and Gundry, S (2011) Evaluation of different strategies for deploying the H2S test to detect microbial contamination of drinking water The Future of Water, Sanitation and Hygiene in Low-Income Countries: Innovation, Adaptation and Engagement in a Changing World - Proceedings of the 35th WEDC International Conference.

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Abstract

The hydrogen sulphide (H2S,) test has been proposed as a presence-absence, low-cost field test to detect microbial contamination for nearly 30 years and is now widely used in many counfries. The objective of this study is to identify different sfrategies for deploying the test and assess how each might be affected by the test's accuracy. Evidence on the H2S test's accuracy is drawn from a recent systematic review. We ident/Ied six different sfrategies for deploying the test based on a literature review. Three sfrategies used the H2S test in isolation, while the other three used the H2S test in combination with standard, laboratory-based methods or alongside sanitary risk inspection surveys. We conclude that using the test in combination with laboratory-based methods or sanitary risk inspections reduces the problems posed by false positive H2S test results. However, such sfrategies may be more costly and complex to implement.

Item Type: Article
Authors :
NameEmailORCID
Wright, JAUNSPECIFIEDUNSPECIFIED
Yang, HUNSPECIFIEDUNSPECIFIED
Pedley, Ss.pedley@surrey.ac.ukUNSPECIFIED
Gundry, SUNSPECIFIEDUNSPECIFIED
Date : 1 December 2011
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:09
Last Modified : 17 May 2017 15:09
URI: http://epubs.surrey.ac.uk/id/eprint/838139

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