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Bacterial contamination in a modern operating suite. 3. Importance of floor contamination as a source of airborne bacteria

Published online by Cambridge University Press:  15 May 2009

A. Hambraeus ,
S. Bengtsson  and
G. Laurell
A. Hambraeus
Affiliation:
Institute of Clinical Bacteriology, University of Uppsala, Uppsala, Sweden
S. Bengtsson
Affiliation:
Institute of Clinical Bacteriology, University of Uppsala, Uppsala, Sweden
G. Laurell
Affiliation:
Institute of Clinical Bacteriology, University of Uppsala, Uppsala, Sweden
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The redispersal factor for bacteria-carrying particles from a contaminated floor was determined after mopping, blowing and walking activity. Walking gave the highest redispersal factor, 3·5×10−3 m−1, which was three times higher than for blowing and 17 times higher than for mopping. The mean die-away rate for the bacteria-carrying particles used was 1·9/h without ventilation and 14·3/h with ventilation. It was calculated that in the operating rooms less than 15% of the bacteria found in the air were redispersed floor bacteria.

Type
Research Article
Information
Journal of Hygiene , Volume 80 , Issue 2 , April 1978 , pp. 169 - 174
Copyright
Copyright © Cambridge University Press 1978

References

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