Carpet Bedside lamp switch Phone Keypad Couch TV Remote Keypad Bathroom Faucet Bathroom Sink Basin Toilet Flush Lever Toilet Bowl
APC 23.4 2.12 7.8 1.5 50.5 4.3 0.31 2.25 0.8
Yeast 0.25 0.4 0.33 4.5 0.75 1.35 0.55 1.4 1.4
Mold 1 1.12 0.75 2.5 0.5 1 1 0 0.5
Microbial counts were conducted before and after titanium dioxide spray in hotel rooms. Microorganisms were quantified over a 4-week period
Table 1: Reduction of environmental microorganisms on nine hotel room surfaces following titanium dioxide spray after four weeks