BS IS0 20480-4:2021 BSl Standards Publication Fine bubble technology General principles for usage and measurement of fine bubbles Part 4: Terminology related to microbubble beds bsi. BS ISO 20480-4:2021 BRITISH STANDARD Nationalforeword This British Standard is the UK implementation of IS020480-4:2021 The UKparticipation initspreparation was entrustedtoTechnical Committee LBI/50, Fine Bubble Technology (FBT). A list of organizations represented on this committee can be obtained on requesttoits committeemanager. This publication does not purport to include all the necessary provisions ofa contract.Users areresponsiblefor its correctapplication. @TheBritishStandards Institution2021 Published byBSIStandards Limited2021 ISBN9780539016789 ICS 07.030;01.040.07 Compliance with a British Standard cannot confer immunity from legalobligations. This British Standard was published under the authority of the Standards Policyand StrategyCommittee on28February2021. Amendments/corrigendaissuedsincepublication Date Text affected BSIS020480-4:2021 INTERNATIONAL ISO STANDARD 20480-4 First edition 2021-01-19 Fine bubble technology - General principles for usage and measurement of fine bubbles - Part 4: Terminology related to microbubble beds Reference number IS0 20480-4:2021(E) ISO @ ISO 2021