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NSF 600 and What It Means to the Coatings Industry


On January 1, 2023, NSF/ANSI/CAN 600, Health Effects Evaluation and Criteria for Chemicals in Drinking Water, will go into effect. This standard, which is used in conjunction with NSF/ANSI/CAN 61, is laying out the new allowable concentrations for some key chemicals that are commonly used to formulate solvent-based lining materials for potable water storage tanks. The chemicals in question are xylene, ethylbenzene, and toluene. Each of these chemicals are seeing significant reductions in their allowable concentrations under this standard. As a result, many commonly-specified products that come in contact with drinking water will no longer be able to be used in these applications once the standard goes into effect.

Considering these conditions, Carboline completed a thorough review of our potable water listings. UL, a laboratory certified by ANSI to review products to the NSF 61 standard, completed the evaluation of our products using the NSF/ANSI/CAN 600 guidelines.

Below are the Carboline products that have been certified by UL to meet the drinking water criteria of NSF/ANSI/CAN 600:

While this standard does not go into effect until January 1, 2023, it may be beneficial to start updating project specifications now for any future projects. Carboline is happy to assist with providing additional information on this standard as well as information on the products that will meet these new guidelines. Please reach out to your local Carboline representative for help with this process.

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