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Whittaker's patented process of measuring the appearance of soil to schedule cleaning frequencies and determine the effectiveness of cleaning techniques is described in the PDF document below.

When Should Carpet Be Cleaned? - White Paper PDF
September 2009

Science of Cleaning PDF

Science of Cleaning article by Dick Whittaker
C&MM Magazine, October 2007

 

This process was recognized at ACUHO-I's 21st Century Project Product Showcase and was presented at CIRI's 2008 Cleaning Science Conference and Symposium.