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EVS-EN 1822-1:2019

High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking

General information
Valid from 02.05.2019
Base Documents
EN 1822-1:2019
Directives or regulations
None
Standard history
Status
Date
Type
Name
02.05.2019
Main
04.03.2010
Main
This document applies to high efficiency particulate and ultra-low penetration air filters (EPA, HEPA and ULPA) used in the field of ventilation and air conditioning and for technical processes, e.g. for applications in clean room technology or pharmaceutical industry. It establishes a procedure for the determination of the efficiency on the basis of a particle counting method using a liquid (or alternatively a solid) test aerosol and allows a standardized classification of these filters in terms of their efficiency, both local and integral efficiency.
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