By Keith Schneringer | January 24, 2019
The Cleaning Science Behind High Flow Fluid Extraction (HFFE)
“Clean” is defined by Merriam-Webster as “free from dirt or pollution” or “free from contamination or disease,” but it is worth noting that there is no universally accepted definition of “clean” which has been adopted by everyone in the cleaning industry.
According to the Cleaning Industry Research Institute website, Dr. Michael Berry (Chairman of the Science Advisory Council for CIRI and author of the book Protecting the Built Environment: Cleaning for Health) has proposed the following definition of clean: “an environmental condition free from unwanted matter” – and has further defined “matter” as “anything of substance.” While this definition has not been universally accepted by the cleaning industry, it is a good place to start.
