Place these six common workplace surfaces found in the conference room in the order of least contaminated surface to the most contaminated surface:

Answer:

Least to most contaminated surface:

And the most contaminated surface in a conference room? Drum roll, please ...

Contaminated surfaces are not the same throughout the workplace, though. In an office, the most contaminated workplace surface is the phone mouthpiece and in a cubicle it's the light switch.

Source: Research report titled: Heterotrophic Bacterial levels on Common Workplace Surface, Conducted by S.A. Boone, K.R. Bright, and C.P. Gerba of The University of Arizona.

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