bsi. ...making excellence a habit Inspiring trust foramore resilient world 需要更多标准请联系 wechat: wpwyq310 BSIS021741:2020 BSlStandardsPublication Stationary sourceemissionsSampling and determination of mercury compounds in fluegas using gold amalgamation trap bsi. BSISO21741:2020 BRITISHSTANDARD Nationalforeword ThisBritishStandardistheUKimplementationofIS021741:2020. TheUKparticipationinitspreparationwasentrustedtoTechnical CommitteeEH/2/1,Stationarysourceemission. Alistoforganizationsrepresentedonthiscommitteecanbeobtainedon requesttoitscommitteemanager. This publication does notpurportto includeall thenecessaryprovisions ofa contract.Usersareresponsibleforitscorrectapplication. TheBritishStandardsInstitution2020 PublishedbyBSIStandardsLimited2020 ISBN9780580959127 ICS13.040.40 CompliancewithaBritishStandardcannotconferimmunityfrom legalobligations. ThisBritishStandardwaspublishedundertheauthorityofthe StandardsPolicyandStrategyCommitteeon30November2020 Amendments/corrigendaissuedsincepublication Date Textaffected 3