Document Detail


Pilot Study of High Performance Air Filtration for Classrooms Applications.
MedLine Citation:
PMID:  23137181     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A study was conducted to investigate the effectiveness of three air purification systems in reducing the exposure of children to air contaminants inside nine classrooms of three Southern California schools. Continuous and integrated measurements were conducted to monitor the indoor and outdoor concentrations of ultrafine particles (UFPs), fine and coarse particulate matter (PM(2.5) and PM(10) , respectively), black carbon (BC), and volatile organic compounds (VOCs). An HVAC-based high-performance panel filter (HP-PF), a register-based air purifier (RS), and a stand-alone air cleaning system (SA) were tested alone and in different combinations for their ability to remove the monitored pollutants. The combination of a RS and a HP-PF was the most effective solution for lowering the indoor concentrations of BC, UFPs, and PM(2.5) , with study average reductions between 87 and 96%. When using the HP-PF alone, reductions close to 90% were also achieved. In all cases, air quality conditions were improved substantially with respect to the corresponding baseline (pre-existing) conditions. Data on the performance of the gas-absorbing media included in the RS and SA unit was inconclusive, and their effectiveness, lifetime, costs, and benefits must be further assessed before conclusions and recommendations can be made. Published 2012. This article is a US Government work and is in the public domain in the USA.
Authors:
Andrea Polidori; Philip M Fine; Vicki White; Patricia S Kwon
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-9
Journal Detail:
Title:  Indoor air     Volume:  -     ISSN:  1600-0668     ISO Abbreviation:  Indoor Air     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9423515     Medline TA:  Indoor Air     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Published 2012. This article is a US Government work and is in the public domain in the USA.
Affiliation:
South Coast Air Quality Management District (AQMD), 21865 Copley Dr., Diamond Bar, CA, 91765.
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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