The impact of environmental parameters and maintenance on the compressed medical air quality

Compressed medical air1 must meet certain criteria defined by European standard EN 120212, it shouldn’t have any flavours or smell (odour). During filling bottle of breathing apparatus cylinders, it should be taken into account that vehicle exhaust gases, vapours of hazardous liquids, smoke and other harmful substances are not in the vicinity of the suction pipe cause they may get inside the cylinder of breathing apparatus and with their presence disrupt the microclimate (strictly defined parameters of medical air) and directly endanger the user. This isn’t the case with cylinders which are the subject of this research. However, with physical-chemical and microbiological results samples of CMA, it can be said with responsibility that the user of the bottle / cylinder for the isulation devices did not comply the above when charging them with the CMA nor did it replace the filters of the high-pressure compressor in accordance with the manufacturer’s instructions. This directly threatened his own health, but also the health of other users. Irresponsibility in maintain compressors of high-pressure, brought to creation of gram-positive bacterias and mildews as well as strain of pathogenic bacterias in CMA inside of the bottle/cylinder. The metabolism of the bacterias inside of the bottle/cylinder also reflected on the physicalchemical characteristics of CMA.