This part of ISO 5667 specifies procedures for the determination of time-weighted average concentrations andequilibrium concentrations of the free dissolved fraction of organic and organometallic compounds andinorganic substances, including metals, in surface water by passive sampling, followed by analysis.
EN ISO 5667-23:2011 Referenced Document
ISO 14644-1 Cleanrooms and associated controlled environments - Part 1: Classification of air cleanliness by particle concentration (includes Redline Version)*, 2015-02-01 Update
ISO 5667-1 Water quality — Sampling — Part 1: Guidance on the design of sampling programmes and sampling techniques*, 2023-03-14 Update