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ISO 4225:2020 specifies terms and definitions that are related to air quality (see 22.214.171.124). These are either general terms or are used in connection with the sampling (see 126.96.36.199) and measurement of gases, vapours (see 188.8.131.52) and airborne particles (see 184.108.40.206) for the determination of air quality.
The terms included are those that have been identified as being fundamental because their definition is necessary to avoid ambiguity and ensure consistency of use.
An alphabetical index of the terms is provided in Annex A.
This document is applicable to all International Standards, ISO Technical Reports, ISO Technical Specifications, and ISO Guides related to air quality.