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IEST RP-CC007.4

Testing HEPA and ULPA Filters
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This Recommended Practice (RP) describes the equipment, aerosol properties, processes, and calculations for determining the efficiency of HEPA, ULPA, and super ULPA filters in the factory, using particle counters. The procedure may be applied to production applications. This RP provides guidelines for constructing a suitable test duct and sampling system. Also provided are test criteria for quantifying penetration in the range of 0.030% to 0.00010%, between particles in the size range of 0.1 to 0.3 µm.
SDO IEST: Institute of Environmental Sciences and Technology
Document Number RP-CC007
Publication Date Jan. 1, 2023
Language en - English
Page Count 44
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
Jan. 1, 2023 IEST RP-CC007.4 Revision