Table 1 Suggested thresholds for bioaerosols.

From: Quantitative and qualitative analysis of bioaerosols emissions from the domestic eastern wastewater treatment plant, Alexandria, Egypt

Bioaerosols

Acceptable limits

References

Total bacteria

4500 − 10,000 CFU/m3

13,38

750 CFU/m3

(museums–indoor)

Italian Ministry of Cultural Heritage (MiBAC) thresholds 37,39

500 CFU/m3

(indoor environment)

American Conference of Governmental Industrial Hygienist thresholds (ACGIH) 40, WHO thresholds 36, and Swedish thresholds 41,42

Total coliform

Not Available

Total fungi

1000 CFU/m3

(non-industrial indoor locations)

European Union 36,43

300 CFU/m3

(indoor environment)

Swedish thresholds 41,42

150 CFU/m3

(museums–indoor)

Italian Ministry of Cultural Heritage (MiBAC) thresholds 39

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