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Methods for the Examination of Waters and Associated Materials |
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3.1.14 Type of Sample
Although legionellae can grow in biofilms present on the inside surfaces of water systems, these surfaces are not usually readily accessible for sampling purposes.
However, Legionella are continuously released from biofilms and other sediments present in the water.
Hence, for most routine purposes, water is the most convenient type of sample to take rather than swab samples.
Whilst swab samples may be necessary for some routine sampling purposes, the recovery of legionellae from swabs is not as consistent as that from water.
| Format adapted by T2 Scientific© 2005 |
t2.200.1.v1.0 |
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Source: Blue Book 200 Part 1 downloaded 27 May 2005 |