ISO 5667-23:2011 Preview
Water quality -- Sampling -- Part 23: Guidance on passive sampling in surface waters
This standard was last reviewed and confirmed* in 2016.
*Therefore this version remains current
ISO 5667-23:2011 specifies procedures for the determination of time-weighted average concentrations and equilibrium concentrations of the free dissolved fraction of organic and organometallic compounds and inorganic substances, including metals, in surface water by passive sampling, followed by analysis.