• There are no items in your cart

07/30113225 DC : 0

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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Withdrawn date

07-03-2007

Language(s)

English

Committee
MCE/21/3
DocumentType
Draft
Pages
58
PublisherName
British Standards Institution
Status
Withdrawn

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ASTM F 649 : 2001 Standard Practice for Secondary Calibration of Airborne Particle Counter Using Comparison Procedures (Withdrawn 2007)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

View more information

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.