3. Results

The results are as shown in the tables and error bars below:

E. coli

Disinfectant#1#2#3Average (1 d.p.)Population Std. Deviation (1 d.p.)
Hydrogen Peroxide17151616.00.816
Chlorohexidine Gluconate13141614.31.25
70% Ethanol3333.000.00
95% Ethanol4634.331.25
Bleach17212119.71.89
Chloroxylenol5454.670.471
Methanol4554.670.471
Alcohol Hand Rub4665.330.943
Isopropyl Alcohol4364.331.25


S. aureus

Disinfectant#1#2#3Average (1 d.p.)Population Std. Deviation (1 d.p.)
Hydrogen Peroxide31363433.72.1
Chlorhexidine Gluconate22191819.71.7
70% Ethanol3333.00.0
95% Ethanol4454.330.47
Bleach22182522.02.9
Chloroxylenol9111311.01.6
Methanol83169.05.4
Alcohol Hand Rub9788.00.8
Isopropyl Alcohol3333.00.0


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