Aerosols and Wipes Eliminate Cross-Contamination Concerns

Using aerosols and wipes helps in the fight against cross-contamination. Unlike rags that can transport bacteria from room to room, aerosols can be sprayed on a surface and/or cleaned with a wet wipe that gets tossed away.

“You might use a disinfectant wipe for all the high touch areas of a nursing home, and when you’re done you can throw the wipe away without causing any transfer of infection,” says Patrick Krywko, LEED AP, director of sales for Allied Eagle Supply in Detroit. “With a wipe, you have the option of throwing it out at a pre-determined interval. With a rag, you might have a tendency to try to stretch it out.”


Leon Fields, sales manager for Valley Janitor Supply, cites the many tests that have been conducted showing heightened bacterial levels when a rag is used over again.


“We go into so many school districts and we don’t want to carry cross-contamination from classroom to classroom, so we’ve been pushing wipes quite heavily,” he says.

According to a recent study conducted by the School of Pharmacy, Cardiff University, in Wales, disinfectant wipes outperformed a disinfectant sprayed on a rag. The study also concluded that each wipe should be used on a single surface to avoid cross-contamination.

Wipes and aerosols can also be an important component in sanitizing and disinfecting, but they must be used properly.


“People that just spray disinfectant tend to think that the disinfectant is going to do all the killing, and they don’t have to do any wiping or rubbing,” says Darrel Hicks, author of “Infection Prevention for Dummies.” “Keep in mind that we need to wipe after using an aerosol; we need to get a little aggressive with it.”

Sanitizing vs. Disinfecting

Kill claims center on a difference between sanitizing and disinfecting. According to “Infection Prevention For Dummies,” sanitizing removes, but not necessarily eliminates unwanted bacteria and germs to what is considered a safe level, which is usually determined by federal and state agencies, whereas disinfecting destroys or irreversibly inactivates infectious bacteria.

“Disinfecting usually requires more dwell time, and keeping the surface wet, which can be up to 10 minutes,” says Bill McGarvey, director of training and sustainability for Warminster, Pa.-based Philip Rosenau Co., Inc. “So we need to make sure the surface stays wet to make the kill claim that may be on the label.”


Hick’s notes that officially the U.S. Centers For Disease Control and Prevention (CDC) says that if the surface remains wet for at least three minutes that is sufficient dwell time, regardless of what the label says.
“The EPA, however, maintains if the label says 10 minutes, then the surface should remain wet for 10 minutes,” he says. “But sometimes we don’t have the luxury of rewetting a surface three times to keep it wet 10 minutes. These tests are done in labs, and we are in the real world, so there’s a clashing of worlds between the lab and the world of housekeeping.”

McGarvey agrees that it may, indeed, be harder for jan/san technicians to disinfect many of today’s surfaces and environments by trying to adhere to kill claim labels, but that doesn’t mean those same surfaces can’t be thoroughly sanitized.  And in many cases, an aerosol and wipe combination can be the perfect solution.

“It can be hard to keep a doorknob wet for 10 minutes,” he says. “But you can hit that doorknob with an aerosol and wipe, which is a good one-two punch.”
Aerosols and wipes are an effective, safe, and convenient way to clean, and all jan/san professionals might want to take a look at using them as a powerful addition to any cleaning program.

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