N.24

Record of results for microbial air sampling

The dispersion and diffusion of micro-organisms in indoor air is very irregular and influenced by several factors like the presence of air currents, number of people present in the environment, movement of people in the area, electrostatic charges, humidity, temperature, etc. It is clear the correct sampling technique is important. It is imperative to make several tests in the same place, at same time to produce a statistical result that takes an accurate picture of the microbiological conditions of the considered environment. To obtain a statistical result, it is imperative to have a correct record of all data of the sampling cycles.

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