STERILIZATION OF OILS 



61 



Samples of 2 cc. were exposed in glass dishes under the lamp at 

 a distance of 10 cm. After exposure, 1 cc. of each sample was 

 emulsified in 5 cc. of beef broth, plated in agar and incubated for 



20 40 



TJME 



tO SO 100 120 M0 



of exposure - minutes. 

 Fig. 3 



twenty-four hours at 37°. The results of these experiments are 

 shown in the curve, figure 3, and indicate that by far the greatest 

 amount of sterilization is secured during the first sixty seconds 

 of exposure. 



