Despite claims to the contrary, TRSA established North American standards and measurements for hygienically clean textiles in 2011 with the launch of the Hygienically Clean Certification program that recognizes the linen, uniform and facility services industry’s commitment to cleanliness through process validation, laundry plant inspections and third-party, quantified microbial testing. The certification process verifies plant processes and best-management practices (BMPs), as well as requiring plants to pass a series of qualifying microbial tests based on an international threshold of total microbial content of 20 colony forming units per square decimeter of fabric in the RODAC plate test, yeast and mold ...