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Main Title Aerosol Filtration Efficiency of Ventilation Air Cleaners.
Author Hanley, J. T. ; Ensor, D. S. ; Sparks, L. E. ;
CORP Author Research Triangle Inst., Research Triangle Park, NC.;Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.
Publisher 1995
Year Published 1995
Report Number EPA-R-817083; EPA/600/A-96/048;
Stock Number PB96-184387
Additional Subjects Air cleaners ; Aerosols ; Filtration ; Ventilation systems ; Air cleaning systems ; Particulates ; Air filters ; Air pollution control ; Efficiency ; Particles ; Indoor air pollution ; Air pollution monitoring ; Performance evaluation ; Test methods ; Reprints ;
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
NTIS  PB96-184387 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 17p
Abstract The paper discusses a test method for measuring the fractional aerosol filtration efficiency of air cleaners. The method provides a reliable and accurate way to measure air cleaner fractional efficiencies over the particle diameter size range of 0.01 to 10 micrometers. The need for a fractional efficiency test comes from several sources: (1) the growing concern with indoor air quality (IAQ); (2) that filtration efficiency is often highly particle-size dependent for particles < 10 micrometers in diameter; (3) limitations of the current American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) efficiency test which, by design, cannot differentiate between particle sizes; and (4) that respirable particles are generally classified as those < 10 micrometers in diameter.
Supplementary Notes Presented at the Air and Waste Management Association Annual Meeting, San Antonio, TX., June 18-23, 1995. Sponsored by Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.
NTIS Title Notes Rept. for Jan 92-Dec 94.
Category Codes 68A; 89B
NTIS Prices PC A03/MF A01
Primary Description 600/13
Document Type NT
Cataloging Source NTIS/MT
Control Number 622001860
Origin NTIS
Type CAT