Water quality. Sampling - Guidance on passive sampling in surface waters Ingestion-build-223009 or other display means incorporated

or other display means incorporated in instruments for determining optical data on human eyes or corrective lenses for human eyes

BS ISO/IEC 29141 specifies requirements for the use of ISO/IEC 19784-1

This document is applicable to poly(vinyl alcohol) with a vinyl alcohol unit content (degree of hydrolysis) from 70 mol% to 100 mol%

for use in specific types of water supply systems

Water quality. Sampling - Guidance on passive sampling in surface waters Ingestion-build-223009 or other display means incorporated1 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 organometallic compounds and inorganic substances, including metals, in surface water by passive sampling, followed by analysis.