7
Name ___________________________________ Lab Section ___________
Results & Interpretation (10 pts):
Class data: (4 pts)
Organism
Household Bleach
Hydrogen Peroxide
Isopropyl Alcohol
0.1%
1%
10%
1%
2%
3%
25%
50%
75%
S. aureus
B. cereus
K. pneumoniae
E. coli
Questions: (6 pts)
1. Which disinfectant was most effective? Which was least effective? (1 pt)
Alexa Campanella
SU23
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-
-
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-
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-
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-
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+
+
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-
+
-
-
+
+
+
+
+
-
-
-
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-
Household bleach was the most effective and Hydrogen Peroxide was the
least effective.
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