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In the spaces of milling and bread manufacture units, air contaminations are produced with microorganisms which come from the microflora of the used raw materials, but also from the residual microflora resulted after the prior processes of processing, reason for which the monitoring of aeromicroflora from such units offer important indices, representing the decisional basis of implementing the corrective measures. To do this thing, we proceeded to the sampling using methodologies of active and passive monitoring. The microbiological examinations performed were: evaluation of total number of germs (TGN) of air contaminants / m 3 of air and the number of yeasts and molds/m 3 of air (Y+M). For the monitoring we used two procedures of air sampling: the method of sedimentation by the exposure of Petri plates with solid environment of culture with the purpose of collecting particles which are deposited by the gravity and sampling of some defined quantities of air passed through a sampling device, directly on a solid culture medium. After using the two methods, we concluded that the passive monitoring of aeromicroflora permitted the detection of a number of out of line samples contained between 9% (TGN) and 13% (Y+ M), and the active monitoring of a number contained between 12% (TGN) and 18% (Y+ M). The most unconforming were registered in the spaces intended for the receipt of raw materials and grinding of

Researches regarding the active and passive monitoring of aeromicroflora in milling and bread manufacturing