Measured Results
Apr 1, 2009 12:00 PM, By Frank N. Wiley
New tools of the trade
In the past, cleaning effectiveness was measured with our eyes and ears. Does it look clean? Does it smell clean? However, faced with growing health concerns related to invisible pathogens such as MRSA and norovirus, as well as airborne particulates, these simplistic methods no longer are sufficient.
Scientific measurement technologies exist that are simple enough for custodial staffs to use every day. The technologies can provide immediate feedback about cleaning products and processes. These include ATP meters, particle counters, infrared/moisture-detection systems and other measurement platforms that are becoming more available, portable and affordable.
Of these new technologies, one of the most promising for cleaning appears to be the ATP meter. ATP meters measure levels of Adenosine Triphosphate (ATP) — the energy molecule inside all living cells. ATP is found in bacteria, mold and fungus, as well as other matter that can provide a rich food source for these dangerous pathogens.
ATP measurement has been used in food processing for years, but until now, the cleaning industry lacked such precise and portable devices. By providing feedback in less than 30 seconds, ATP meters enable custodians to verify how clean surfaces are, and carry out continuous improvement programs to enhance overall performance.
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