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Water quality — Sampling — Part 21: Guidance on sampling of drinking water distributed by tankers or means ot…

Overview ISO 5667-21:2010 - Water quality - Sampling - Part 21 provides guidance for sampling drinking water that is distributed by tankers or by means other than contiguous piped distribution system…

Water quality — Sampling — Part 2: Guidance on sampling techniques

Water quality — Sampling — Part 27: Guidance on sampling for microplastics in water

Overview ISO 5667-27:2025 - "Water quality - Sampling - Part 27: Guidance on sampling for microplastics in water" provides standardized guidance for collecting suspended microplastics from a range of…

Water quality — Sampling — Part 26: Guidance on sampling for the parameters of the oceanic carbon dioxide sys…

Overview ISO 5667-26:2022 - "Water quality - Sampling - Part 26: Guidance on sampling for the parameters of the oceanic carbon dioxide system" provides standardized guidance for collecting discrete s…

Water quality — Sampling — Part 20: Guidance on the use of sampling data for decision making — Compliance wit…

Overview - ISO 5667-20:2008 (Water quality - Sampling - Part 20) ISO 5667-20:2008 provides guidance on using water quality sampling data for decision making, with a focus on compliance with threshold…

Water quality — Sampling — Part 23: Guidance on passive sampling in surface waters

Overview ISO 5667-23:2011 - Water quality - Sampling - Part 23: Guidance on passive sampling in surface waters - provides standardized guidance for using passive sampling to determine time‑weighted a…

Water quality — Sampling — Part 22: Guidance on the design and installation of groundwater monitoring points

Overview ISO 5667-22:2010 - Water quality - Sampling - Part 22 provides international guidance on the design, construction and installation of groundwater quality monitoring points (GQMPs). The stand…

Water quality — Sampling — Part 24: Guidance on the auditing of water quality sampling

Overview ISO 5667-24:2016 - Water quality - Sampling - Part 24: Guidance on the auditing of water quality sampling - provides a structured audit protocol to verify conformity with declared or assumed…

Water quality. Sampling - Guidance on the auditing of water quality sampling

Water quality. Sampling - Guidance on passive sampling in surface waters

1 Scope This part of ISO 5667 specifies procedures for the determination of time-weighted average concentrations and equilibrium concentrations of the free dissolved fraction of organic and organomet…

Water quality. Sampling - Guidance on sampling for microplastics in water

For a clear and practical introduction on what is new on the standard and how to implement it, download your free copy of the Executive Briefing today. What is BS ISO 5667-27:2025 - Guidance on sampl…

Water quality. Sampling - Guidance on the use of sampling data for decision making. Compliance with threshold…

1 Scope This part of ISO 5667 establishes principles, basic requirements, and illustrative methods for dealing with the use of sample data for decision making based on the assessment of the confidenc…

Water quality. Sampling - Guidance on the design and installation of groundwater monitoring points

1 Scope This part of ISO 5667 gives guidelines for the design, construction and installation of groundwater quality monitoring points to help ensure that representative samples of groundwater can be…

Water quality. Sampling - Guidance on sampling for the parameters of the oceanic carbon dioxide system

1 Scope This document specifies how to collect discrete seawater samples, from a Niskin or other water sampler, that are suitable for the analysis of the four measurable inorganic carbon parameters:…