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Modification date
BS EN 1822-1:1998
SUPERSEDED
High efficiency air filters (HEPA and ULPA)
Date modified:
15/11/1998
BS EN 1822-1:2009
SUPERSEDED
High efficiency air filters (EPA, HEPA and ULPA). Classification, performance testing, marking
Date modified:
31/12/2009
BS EN 1822-1:2019
CURRENT
High efficiency air filters (EPA, HEPA and ULPA)
Date modified:
24/04/2019
BS EN 1822-2:1998
SUPERSEDED
High efficiency air filters (HEPA and ULPA)
Date modified:
15/11/1998
BS EN 1822-2:2009
SUPERSEDED
High efficiency air filters (EPA, HEPA and ULPA). Aerosol production, measuring equipment, particle counting statistics
Date modified:
31/01/2010
BS EN 1822-3:1998
SUPERSEDED
High efficiency air filters (HEPA and ULPA)
Date modified:
15/12/1998
BS EN 1822-3:2009
SUPERSEDED
High efficiency air filters (EPA, HEPA and ULPA). Testing flat sheet filter media
Date modified:
31/12/2009
BS EN 1822-4:2000
SUPERSEDED
High efficiency air filters (HEPA and ULPA)
Date modified:
15/10/2000
BS EN 1822-4:2009
SUPERSEDED
High efficiency air filters (EPA, HEPA and ULPA). Determining leakage of filter elements (scan method)
Date modified:
31/01/2010
BS EN 1822-5:2000
SUPERSEDED
High efficiency air filters (HEPA and ULPA)
Date modified:
15/10/2000
