ISO 20469:2018
Guidelines for water quality grade classification for water reuse
This document provides guidelines for water quality grade classification to help users determine the suitability and quality of the reclaimed water for safe non-potable reuse applications, based on the level of exposure. The intention is to enable the water quality grade to be identified at the point of use.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Water quality grade classification for reuse application
4.1 Water quality grade for reuse application
4.2 Water quality grade classification
5 Display of water quality grades
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Water quality grade classification for reuse application
4.1 Water quality grade for reuse application
4.2 Water quality grade classification
5 Display of water quality grades
Bibliography