Fig. 4From: Determination of the effectiveness of UV radiation as a means of disinfection of metalworking fluidsReduction of P. fluorescens and P. oleovorans subsp. lubricantis spiked in 5 % diluted MWF with UV irradiation (55 W) using mixing. Data presented as mean of three experimental trials. All standard deviation (±SD) calculated were <0.02Back to article page