Fig. 5From: Determination of the effectiveness of UV radiation as a means of disinfection of metalworking fluidsReduction in the number of viable cells of M. chelonae in MWF with two different cell concentrations (104 and 106 CFU/mL) exposed to UV irradiation (55 W). Data presented as mean of three experimental trials. All standard deviation (±SD) calculated were <0.01Back to article page