Fig. 6From: Determination of the effectiveness of UV radiation as a means of disinfection of metalworking fluidsReduction in the number of viable cells of mixed culture of P. fluorescens, P. oleovorans subsp. lubricantis and M. chelonae exposed to UV irradiation (55 W). Data presented as mean of three experimental trials. All standard deviation (±SD) calculated were <0.23Back to article page