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NSF/ANSI 46 -2012

Evaluation of components and devices used in wastewater treatment systems

This edition of the Standard (NSF/ANSI 46-2012) includes the following revisions: Issue 22 - The purpose of this ballot was to make the language relating to failure sensing equipment in the wastewater standards consistent as well as update it regarding the testing procedure. This change appears in 9.6.2, 11.4.1, 12.5.1 and 13.3.2.

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