ACIL Independence Mark
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An independent laboratory may be licensed by the American Council of Independent Laboratories (ACIL), as a truly independent testing laboratory via ACIL’s Independence Mark (I-Mark) program.

Founded in 1937, ACIL is the premier trade association of independent laboratories in the United States. ACIL’s I-Mark program monitors a laboratory’s ability to identify and eliminate situations which may create conflicts of interest, and also confirms that the large majority of its services are for clients which have no financial relationship with the laboratory outside of fees paid for professional services.

Testing by an independent laboratory, often referred to as third-party testing, is a common advertising claim that asserts the test results are objective and free from the influence, guidance or control of interested parties. Truly independent laboratories view the ACIL Independence Mark program as a way to differentiate themselves from those who may profess independence, but are truly not.

Laboratories that are I-Mark licensed by ACIL are granted permission to display the independence logo, shown below as an example, in their reports to clients. When you see this mark on your reports, you know that you are working with a truly independent testing laboratory.

ACIL Independence Mark


For more information on the I-Mark program, please contact Richard Bright at

Independence Mark Licensed Laboratories Include:
Bowser Morner
Bowser Morner


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Independence Mark member files
Item Name Posted By Date Posted
Proof of Independence Procedures PDF (501.85 KB)  more ] Administration 5/15/2020