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  • 07/30113225 DC : 0

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    BS ISO 21220 - PARTICULATE AIR FILTERS FOR GENERAL VENTILATION - DETERMINATION OF THE FILTRATION PERFORMANCE

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  02-07-2007

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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    Comment Closes On
    Committee MCE/21/3
    Document Type Draft
    Publisher British Standards Institution
    Status Withdrawn

    Standards Referencing This Book - (Show below) - (Hide below)

    ASTM F 328 : 1998 Standard Practice for Calibration of an Airborne Particle Counter Using Monodisperse Spherical Particles
    ASHRAE 52.2 : 2017 METHOD OF TESTING GENERAL VENTILATION AIR-CLEANING DEVICES FOR REMOVAL EFFICIENCY BY PARTICLE SIZE
    ISO 2854:1976 Statistical interpretation of data — Techniques of estimation and tests relating to means and variances
    ASTM F 649 : 2001 Standard Practice for Secondary Calibration of Airborne Particle Counter Using Comparison Procedures (Withdrawn 2007)
    EN 779:2012 Particulate air filters for general ventilation - Determination of the filtration performance
    EN ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2003)
    ISO 14644-3:2005 Cleanrooms and associated controlled environments Part 3: Test methods
    ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements
    IEST RP CC014.1 : 2006 CALIBRATION AND CHARACTERIZATION OF OPTICAL AIRBORNE PARTICLE COUNTERS
    EN 1822-3:2009 High efficiency air filters (EPA, HEPA and ULPA) - Part 3: Testing flat sheet filter media
    EN 1822-1:2009 High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking
    ISO 12103-1:2016 Road vehicles — Test contaminants for filter evaluation — Part 1: Arizona test dust
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