Restroom Cleaning: Love in the Janitorial Closet (Yes, It Does Happen) The University of Southern California Medical Center in East Los Angeles is one of the nation's largest — and busiest — public hospitals. In one year, the hospital treats over 800,000 patients. It employs approximately 9,000 people. With this many people, 'concerns about the spread of infection and cross contamination are multiplied a thousand fold here,' says Bill Walton, director of environmental services. Because of this, Walton was looking for a more effective way to clean the hospital's common-area restrooms, which must be serviced three to four times per eight-hour shift. He says traditional restroom cleaning methods involving rags, sprayers, mops, buckets, and brooms are slow. Worse yet, we now know that mops and

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