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Facility Inspections & Textile Testing

Inspectors put textile services operations’ laundry techniques “on the record” and determine testing needed to ensure items meet TRSA cleanliness specifications

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A laundry facility seeking TRSA Hygienically Clean certification must submit laundered textile products for initial bacteriological testing. Various types of such products (workwear, towels, linens, etc.) are subject to examination. After a laundry's inspection and testing requirements have been determined and fulfilled, the facility is tentatively certified and its probationary period begins, with testing continuing on two different items in the each of the next two months. If these three examinations reveal that all tested items meet TRSA’s Minimum Performance Specifications, the probationary period ends and testing resumes on a semi-annual basis.

All testing is done by a TRSA-approved laboratory accredited by an accreditation body recognized under the ILAC MRA (Mutual Recognition Arrangement) or recognized by federal or state agencies for microbiological testing. Examples of acceptable third-party accreditation bodies include the International Accreditation Service (IAS), American Association of Laboratory Accreditation (A2LA), and ANSI-ASQ National Accreditation Board doing business as ACLASS. Laboratories recognized by federal or state agencies such as EPA, FDA, Department of Agriculture, CDC, CPSC, and OSHA are also approved.

In the second inspection and all subsequent ones (every three years), the TRSA representative selects two items for testing projected to have the highest potential to fail based on previous such examination. The representative ships these samples to a TRSA-approved laboratory chosen by the laundry.

Initial Certification/Testing Procedure

Upon applying for the program, facilities seeking Hygienically Clean certification should contact Angela Freeman (, 877.770.9274, ext. 111) for applicable inspection and testing requirements. This will clarify textile product types that require testing. Following that determination, the facility’s management sends its goods to a TRSA-approved laboratory of their choice with this lab’s Chain of Custody form. Click a link below to download such a form for one of the approved labs.

Accugen Laboratories, Inc., Willowbrook, IL

Advise Laboratories, Drexel Hill, PA

EMSL Analytical, Inc., Houston, TX

IG MicroMed Environmental, Inc., Richmond, B.C., Canada