bsi. ...making excellence a habit Inspiring trust foramore resilient world 需要更多标准请联系 wechat: wpwyq310 BS IS0 18589-6:2019 BSl Standards Publication Measurement of radioactivity in the environment Soil Part 6: Gross alpha and gross beta activities Test method using gas-flow proportional counting bsi. BSISO 18589-6:2019 BRITISH STANDARD Nationalforeword This British Standard is the UK implementation of IS0 18589-6:2019. It supersedes BS IS0 18589-6:2009, which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee NCE/2, Radiation protection and measurement. A list of organizations represented on this committee can be obtained on requestto its secretary. This publication does not purport to include all the necessary provisions ofa contract.Usersareresponsibleforits correctapplication. @TheBritishStandards Institution2019 PublishedbyBSIStandardsLimited2019 ISBN9780580906046 ICS17.240;13.080.01 Compliance with a British Standard cannot confer immunityfrom legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31December 2019. Amendments/corrigendaissuedsincepublication Date Text affected