BRITISH STANDARD BS EN 1822-5:2000 High efficiency particulate air filters (HEPA and ULPA)- Part 5:Determining the efficiency of filter element The European Standard EN 1822-5:2000 has the status of a British Standard ICS23.120 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW 3S BSEN1822-5:2000 National foreword This British Standard is the official English language version of EN 1822-5:2000. The UK participation in its preparation was entrusted by Technical Committee MCE21 Filters for gases and liquids to Submittee MCE/21/3 Air filters other then for air supply to IC engines and pressors which has the responsibility to: -aid enquirers to understand the text; -present to the responsible European mittee any enquiries on the interpretation or proposals for change and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this submittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under...