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Airborne biocontamination in cleanrooms - Some aspects on air samplers
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Services Engineering (name changed to Building Service and Energy Systems 2012-03-01).
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Services Engineering (name changed to Building Service and Energy Systems 2012-03-01).
2006 (English)In: 37th R3-Nordic Contamination Control Symposium / [ed] Wirtanen, G; Salo, S, ESPOO: TECHNICAL RESEARCH CENTRE FINLAND , 2006, Vol. 240, 421-428 p.Conference paper, Published paper (Refereed)
Abstract [en]

In cleanrooms the main source of biocontamination is people. The concentration of airborne biocontamination depends upon the number of people present in a cleanroom, their level of activity, and the clothing systems used. There are several methods of measuring the airborne biocontamination and many published reports show that the results - as number of colony forming units per cubic meter (CFU/m3) - depend on the equipment used. The difference in results between microbiological air samplers often depend upon physical parameters of the samplers. These parameters, together with d50 that is the aerodynamic particle diameter where 50% of the particles are collected and 50% are not collected are discussed. In order to evaluate the collection efficiency of impaction air samplers, a simplified mathematical model will be presented and examples given.

Place, publisher, year, edition, pages
ESPOO: TECHNICAL RESEARCH CENTRE FINLAND , 2006. Vol. 240, 421-428 p.
Series
VTT SYMPOSIA, ISSN 0357-9387 ; 240
Keyword [en]
Clothing systems, Colony-forming units (CFU), Concentration (composition), contamination control
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-42124ISI: 000243383100057Scopus ID: 2-s2.0-42149092831ISBN: 951-38-6303-4 (print)OAI: oai:DiVA.org:kth-42124DiVA: diva2:446005
Conference
37th R3-Nordic Contamination Control Symposium. Tampere, FINLAND. MAY 29-31, 2006
Note

QC 20141113

Available from: 2011-10-05 Created: 2011-10-05 Last updated: 2014-11-13Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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Language
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  • nn-NB
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Output format
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