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NSF 222

Revision 06E, September 27, 2006

Complete Document

Ozone generators

Includes all amendments and changes through Reaffirmation Notice , August 22, 2011

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Product Details:

  • Revision: Revision 06E, September 27, 2006
  • Published Date: August 22, 2011
  • Status: Active, Most Current
  • Document Language: English
  • Published By: NSF International (NSF)
  • Page Count: 30
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

The objective of this standard is to provide a method to determine ozone generator production performance for water applications. This standard covers ozone generators that produce up to 500 g/h (26.4 lbs/d) of ozone. Devices utilizing actual mixing of the gas produced with water to be treated shall be precluded from this standard.

This Standard does not cover evaluating the effectiveness of an ozone generator for the treatment for water; it also does not cover structural integrity for ozone systems.


The purpose of this standard is to provide a method to evaluate ozone generator production performance (i.e., ozone concentration and output rate) and to establish minimum requirements for ozone generator materials and design and construction. This standard specifies the minimum requirements for product literature and labeling information that a manufacturer shall supply to authorized representatives and owners.