Germicide Lysol 25% 50% 100% Isopropyl Alcohol 10% 30% 50% Fabuloso 50% Strain 25% 100% E. coli S: aureus G = Growth; NG = No Growth Review the data for both bacterial strains. Which germicide was most effective against each strain and at - what concentration? Which was the least effective? Which bacterial strain do you think seemed to be most resistant to the germicides and why? What were the purposes of the four controls? Control #1: Control #2: Control #3: Control #4:

Q&A Education