Evaluating household water treatment options: health-based targets and microbiological performance specifications

January 31, 2012 · 0 comments

Evaluating household water treatment options: health-based targets and microbiological performance specifications, 2011.

WHO

Properly formulated and locally relevant performance specifications are needed to protect users and inform decision-making regarding selection of technologies or approaches. This document provides a basis by which to evaluate the microbiological performance of HWT options by:

  • establishing a series of health-based microbiological performance targets, ranging from an interim target to highly protective, to encourage incremental improvements in water safety (sections 2 and 3 and Appendix 1); and
  • providing guidance to inform the development of new HWT testing protocols or supplement existing protocols (Appendix 2).

It also describes additional factors, including:

  • those pertaining to national-level technology evaluation or verification programmes (Appendix 3); and
  • justification for use of quantitative microbial risk assessment (QMRA) and performance targets for three classes of pathogens (Appendix 4)
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