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Modern cleanroom clothing systems: People as a contamination source
KTH, Superseded Departments, Civil and Architectural Engineering.
2003 (English)In: PDA journal of pharmaceutical science and technology, ISSN 1079-7440, E-ISSN 1948-2124, Vol. 57, no 2, 114-125 p.Article in journal (Refereed) Published
Abstract [en]

Today, clothing and clothing systems for cleanrooms are mainly tested with regard to material properties such as particle generation, particle filtration, and resistance to wear. The dispersal chamber or body-box has been used for studying the protective efficacy of clothing systems in use, for example by Hoborn in 1981 (1) and Whyte and Bailey in 1985 (2). A modified dispersal chamber has recently been installed at KTH. Tests and comparative studies have been performed in the dispersal chamber on selected clothing systems. The latest tests have been performed in two parts. In Part 1, each person performed 12 sequences dressed in new, modern cleanroom clothing systems with small variations, such as with and without goggles, different face masks, and different sizes of hoods. In Part 2, each person performed six test sequences with new, modern cleanroom clothing systems with variations in fabrics, and as a comparison, two sequences with pharmaceutical clothing system and surgical clothing system, respectively. The results are given in total number of airborne particles (greater than or equal to 0.5 mum per cubic meter) and airborne aerobic CFU per cubic meter. Statistical evaluations of the results have been performed. The source strengths of the contamination source people wearing modern cleanroom clothing systems have been estimated.

Place, publisher, year, edition, pages
2003. Vol. 57, no 2, 114-125 p.
Keyword [en]
airborne contamination, cleanroom clothing, contamination sources, source strength
Identifiers
URN: urn:nbn:se:kth:diva-22401ISI: 000182057700007OAI: oai:DiVA.org:kth-22401DiVA: diva2:341099
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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