Active standard | Published: 07/03/2008

ISO 5667-20:2008

Water quality — Sampling — Part 20: Guidance on the use of sampling data for decision making — Compliance with thresholds and classification systems
(Qualité de l´eau — Échantillonnage — Partie 20: Lignes directrices relatives a l´utilisation des données d´échantillonnage pour la prise de décision — Conformité avec les limites et systemes de classification)

Available languages: English, Russian

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Detail information

Designation: ISO 5667-20:2008

Publication date: 07/03/2008

Pages: 34

Country: International technical standard

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Anotation

Description / Abstract: ISO 5667-20:2008 establishes principles, basic requirements, and illustrative methods for dealing with the use of sample data for decision making based on the assessment of the confidence that water quality: meets targets and complies with thresholds; has changed; and/or lies in a particular grade in a classification system. ISO 5667-20:2008 also specifies methods for preliminary examination of the sensitivity of decisions to error and uncertainty, although it does not cover the full range of statistical techniques. ISO 5667-20:2008 provides general advice on decision making related to constraint formulation for expression of thresholds and targets and the form and scale of sampling programmes.

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